T*******x
发帖数: 8565 | 1 这个函数C叫Harmonic Number.
H(n) = 1+1/2+1/3+...+1/n
所以它有这样两个表达式：
H(x)= sum n from 1 of x/(n(n+x))
H(x)= - integral t from 0 to 1 of x t^(x-1) ln(1-t)
它和Gamma函数的关系是：
H(x)-derivtive of ln(gamma(x+1)) = Euler constant
Euler constant 是lim n to infinity of H(n)-ln(n+1). |
|
M******8
发帖数: 10589 | 2 It Doesn't Matter if Ecuador Can Afford This Dam. China Still Gets Paid.
NICHOLAS CASEY, CLIFFORD KRAUSS
2018年12月26日
Federico Rios Escobar for The New York Times
REVENTADOR, Ecuador — The dam sits under the glare of an active volcano,
with columns of ash spewing toward the sky.
厄瓜多尔雷文塔多火山——大坝坐落在一座活火山下，缕缕火山灰喷入天空。
Officials had warned against the dam for decades. Geologists said an
earthquake could wipe it away.
数十年来，官员们一直对这座大坝发出警告。地质学家表示，一场地震就能将其抹去。
大坝附近的雷文塔多火山在喷发火山灰。
大坝附近的雷文塔多火山在喷发火山灰。 Federico ... 阅读全帖 |
|
发帖数: 1 | 3 Stone Cold Word
Longboat Key, Florida4m ago
AG Barr investigating a missing Twinkie is a joke.
So I am reading all these comments laughing and calling out "conspiracy
theories". It's easy to "throw shade"..... getting "shade to stick" is
another story.
I know this. A high profile prisoner, who supposedly tried to kill
himself just two weeks ago, this guy could not get near a 6 inch piece of
thread. Now that's not a "conspiracy theory".
The "shade slingers" want us to believe that this ego ... 阅读全帖 |
|
发帖数: 1 | 4 You are given an object with the following state and method:
{
private constant int x0 = ?
private constant int v0 = ?
private int i = 0
public boolean test(int x)
{
++i
return x == x0 + i * v0
}
}
Find out the value of x0 and v0,
by invoking test(x) only, for a finite number of times. |
|
C**o
发帖数: 10373 | 5 把这些题做熟了，以后可以随便玩千老的夫人
盹盹盹
：You are given an object with the following state and method:
：{
： private constant int x0 = ?
： private constant int v0 = ?
：
： private int i = 0
： public boolean test(int x)
： {
： ++i
： return x == x0 + i * v0
：.......... |
|
Z**S
发帖数: 1211 | 6 Need to take into account that the weight of the
rocket is smaller as the fuel is burn. Assuming
the fuel was burned at constant rate, the rocket
should be accelerating. In real situation, the
gravity constant and air friction is also smaller in
high altitude. |
|
J*********r
发帖数: 5921 | 7 一条不错的评论：
Justin Murray Wrote:
It's important to understand that the reason China is doing any of this is
because they're afriad of the US. The US has a very long history of engaging
in unprovoked invasions of other nations (Iraq, Grenada, Panama, Korea, etc
), many for invented reasons (Vietnam). Historically, and practically, the
US is the most likely aggressor in any conflict with China. No other nation
in the past century has initiated more wars than the United States has, and
the US has been... 阅读全帖 |
|
k********k
发帖数: 5617 | 8 http://celebrity.yahoo.com/blogs/celeb-news/johnny-weir-files-f
Johnny Weir Files for Divorce From Husband of Two Years
Say it ain't so, Johnny Weir!
The former Olympic ice skater and NBC ice skating analyst has filed for
divorce from his husband of just over two years, Victor Weir-Voronov.
Weir, 29, announced the news Wednesday afternoon on Twitter:
It is with great sadness that I announce that my husband and I are no longer
together. My heart hurts, and I wish him well.
— Johnny Weir (@JohnnyG... 阅读全帖 |
|
s**o
发帖数: 256 | 9 Acknowledgements
It gives me a great pleasure to express my deep sense of gratitude to my
supervisor Prof. Michael A Stocking, School of Development Studies, University
of East Anglia, for his keen interest, valuable suggestions, constant
encouragement, impeccable guidance, helpful criticism during the work of my
dissertation.
I am extremely grateful to all the faculties in School of Development Studies,
especially, Dr. Christine Okali and Prof. Piers Blaikie, for their concern,
constant encoura |
|
k*******3
发帖数: 918 | 10 We know that the Falun Gong organization in China was outlawed after, with
Western Anti China forces rapidly in foreign countries found to survive, to
show its existence and to enlist supporters began to constantly in foreign
propaganda campaign, continue to play promote the display of Chinese culture
under the guise of Oriental verve engage in so-called performances and the
so-called contest. Draw unaware of the truth of the actors and performance
groups to participate in, fool the public to wa... 阅读全帖 |
|
c******i
发帖数: 27 | 11 The Obama girl isn’t the only one with a crush on the presumptive
Democratic presidential nominee.
Actress Scarlett Johansson said she and Barack Obama are pen pals, and she
couldn’t be more delighted.
“You’d imagine that someone like the senator who is constantly traveling
and constantly ‘on’ — how can he return these personal e-mails? But he
does, and in his off-time I know he also calls people who have donated the
minimum to thank them. Nobody sees it, nobody talks about it, but it’s
incredib |
|
p******e
发帖数: 897 | 12 LOS ANGELES -- As he headed to a Hollywood fundraiser, Sen. Barack Obama
downplayed the idea that he hobnobs with actress Scarlett Johansson.
The movie star, who campaigns actively for the Illinois senator, recently
told the website Politico, "You'd imagine that someone like the senator who
is constantly traveling and constantly 'on' - how can he return these
personal emails? But he does, and in his off-time I know he also calls
people who have donated the minimum to thank them."
She said Obama |
|
y****t
发帖数: 10233 | 13 I've said this before to this caucus; I just want to say it again. For me,
it is constantly important to remind myself why I got into this business in
the first place; why I'm willing to be away from my family for big stretches
at a time; the financial sacrifices that so many of you have made; being
subject to criticism constantly. You don't get in this for the fame. You
don't get in it for the title. You get in it because somewhere in your
background, at some point in time, you decided ther |
|
|
l****z
发帖数: 29846 | 15 Charlie’s doing us all a favor and explaining simply what’s happening in
DC:
As clearly as any issue you could name, the debate over the US debt ceiling
exposes the radically different governing philosophies held by Democrats and
Republicans.
On the left it is taken as an article of faith that government must
constantly grow and increase its sphere of influence as a counter to the
power of private corporations, and to provide a constantly-growing safety
net for Americans living at the margins.
O... 阅读全帖 |
|
l****z
发帖数: 29846 | 16 By James Lewis
Hi Tech Lynching is here again! Shades of Justice Clarence Thomas and Anita
Hill. They're going to play the same sadistic power game they lost with
Justice Thomas. Well, let 'em try, but now they are facing a revived
conservative media. This is a trial of strength. When Clarence Thomas was
nominated to the Supreme Court he had few defenders. Today we have talk
radio and the blogs.
As a morality play this looks like Snidely Whiplash against Little Nell. The
Corporate Media are wide... 阅读全帖 |
|
a******d
发帖数: 10 | 17 转贴：CHINA Law Blog @
http://www.chinalawblog.com/2012/01/chinese_students_in_america
Chinese Students In America. It's Bad Out There.
Posted by Dan on January 11, 2012
Much has been written about Chinese students coming to American colleges. An
article out today, entitled, "Chinese applications to U.S. schools
skyrocket," starts out quoting a Chinese high schooler who is contemplating
attending the University of Washington:
I know this [ambition] is pretty high,” said the 17-year old Beiji... 阅读全帖 |
|
l****z
发帖数: 29846 | 18 “Everybody’s a target; everybody with communication is a target.”
—A senior intelligence official previously involved with the Utah Data
Center
In the small town of Bluffdale, Utah, not far from bustling Salt Lake City,
the federal government is quietly erecting what will be the crown jewel of
its surveillance empire. Rising up out of the desert landscape, the Utah
Data Center (UDC)—a $2 billion behemoth designed to house a network of
computers, satellites, and phone lines that stretches across ... 阅读全帖 |
|
f*********g
发帖数: 1637 | 19 Gas price from 2000 to 2012, see the jump afterb Iraq invasion from 2003.
lcz is constantly misleading, constantly distributing rumors. |
|
l****z
发帖数: 29846 | 20 October 12, 2012 10:58 A.M.
Women weren’t wowed by Joe “Sex Symbol” Biden’s manners in last night’s
debate, when he repeatedly interrupted Paul Ryan with the kind of brazen
rudeness usually reserved for pundits on cable TV.
When I asked for reactions on Twitter, the consensus that emerged was that
Biden was seen as condescending, obnoxious, creepy, and generally unbearable
. Nichole Perreault compared the scene to “Thanksgiving when that rude,
inappropriate elder relative makes you want to rip h... 阅读全帖 |
|
f*********g
发帖数: 1637 | 21 #8, I am against post troll itself, but remember, it is posters lead by the
very person lczlcz "挑动一部分人讨厌另一部分人" constantly in this very
section and constantly troll here too. |
|
s********9
发帖数: 18 | 22 坚定不移沿着美国特色社会主义道路前进 实现共同贫穷的新美国梦
一月的华盛顿，阳光明媚，花团锦簇。数以万计的黑人群众聚集在国会山前欢庆新一任
总统的就职典礼。呼啸的寒风吹不散黑人们的热情，他们的聚会让冬日的首都变得春意
盎然。
美国民主党领袖 巴拉克 侯赛因 奥巴马 宣誓就任自己的第二任期。面对黑压压的观众
，他发表了题为“坚定不移沿着美国特色社会主义道路前进 实现共同贫穷的新美国梦
”的演说。英文全文附后。
侯赛因说，每一位总统的就职都是美国宪法制度优越性的集中体现。以宪法为基础的民
主制度是立国之本，强国之路。自从美利坚合众国成立以来，美国人民始终不懈的捍卫
宪法为基础的民主制度，争取自由，反对强权，不惜流血牺牲。
侯赛因总结了美国人民在过去二百多年的斗争历史取得的伟大成就
解放了黑奴，并让他们走上了各级政府的领导岗位。
政府修建了方便快捷的铁路公路网，奠定了经济快速发展的基础。
政府办教育事业迅速发展，城乡免费义务教育全面实现。
确立了政府在调解市场经济中不可或缺的作用。
侯赛因说，美国人民是伟大的人民，勤劳勇敢，吃苦耐劳，敢想敢为。美国人民的优秀
传统是不依赖政府，甚至敢于挑战政... 阅读全帖 |
|
c*****g
发帖数: 21627 | 23 Michael Lewis: Did Goldman Sachs Overstep in Criminally Charging Its Ex-
Programmer?
A month after ace programmer Sergey Aleynikov left Goldman Sachs, he was
arrested. Exactly what he’d done neither the F.B.I., which interrogated him
, nor the jury, which convicted him a year later, seemed to understand. But
Goldman had accused him of stealing computer code, and the 41-year-old
father of three was sentenced to eight years in federal prison.
Investigating Aleynikov’s case, Michael Lewis holds a s... 阅读全帖 |
|
t**********y
发帖数: 56 | 24 Revisiting an old argument about the impact of capitalism
Jan 4th 2014 | From the print edition
INEQUALITY is one of the most controversial attributes of capitalism. Early
in the industrial revolution stagnant wages and concentrated wealth led
David Ricardo and Karl Marx to question capitalism’s sustainability.
Twentieth-century economists lost interest in distributional issues amid the
“Great Compression” that followed the second world war. But a modern
surge in inequality has new economists wo... 阅读全帖 |
|
l****z
发帖数: 29846 | 25 The Quiet Fury of Robert Gates
Bush and Obama's secretary of defense had to wage war in Iraq, Afghanistan—
and today's Washington
All too often during my 4½ years as secretary of defense, when I found
myself sitting yet again at that witness table at yet another congressional
hearing, I was tempted to stand up, slam the briefing book shut and quit on
the spot. The exit lines were on the tip of my tongue: I may be the
secretary of defense, but I am also an American citizen, and there is no s... 阅读全帖 |
|
T*********I
发帖数: 10729 | 26 一家8口，包括4个小孩。从餐馆出来，被突然出现的四、五个黑人罪犯暴打。6岁的小
女孩挨打。
“They attacked me and there were four or five guys on top of me. It was a
constant barrage. I couldn’t see where my children were.”
“My 6-year-old daughter was punched in the stomach by an adult,”
“It turned into a riot,“
请承受不了黑人犯罪这一事实的华人醒一醒吧。该面对现实了。
http://wjcl.com/2014/05/13/atlanta-family-attacked-on-river-str
Atlanta Family says they were attacked on River Street
According to the police report, Thomas told officers they left one of the
restaurant... 阅读全帖 |
|
l****z
发帖数: 29846 | 27 Cartoon Explains the Ironic Hypocrisy of Liberal “Tolerance” PERFECTLY
One of the things that often drives me — and probably everyone else with a
drop of common sense — is how liberals constantly drone on and on about “
tolerance” and how anyone who disagrees with their opinion on social issues
is “intolerant” and is a “bigot.”
Which in all honesty is hilarious given that by their constant attempts to
silence those who have opinions that are different from their own, they
become the very thing t... 阅读全帖 |
|
l****z
发帖数: 29846 | 28 Meddling Renewable Energy Standards Distort Energy Markets, Raise Prices
By Joe Nichols | August 10, 2015 | 3:06 PM EDT
Environmental groups scorn state leaders who dare question the sanctity of
renewable energy mandates, commonly known as “renewables portfolio
standards” or RPS. Such scorn is misplaced and state leaders should
continue to reconsider the wisdom and value of these mandates.
RPS laws typically require electric utilities to purchase specific
quantities of electricity from renewabl... 阅读全帖 |
|
g********2
发帖数: 6571 | 29 Dear Kurt: I am a 48 year-old progressive, unionized fifth grade teacher who
lives alone with her three beloved and diverse kitties, Fluffums,
Ticklebunny and Hillary. Lately, I think Ticklebunny, whose coat is a creamy
white, has been microaggressing Fluffums, whose coat is a rich ebony. I
think Ticklebunny may be racist. Also, every night when I come home with a
single serving Trader Joe’s entrée and a bottle of Charles Shaw chardonnay
, Hillary is sitting on my computer keyboard and the brows... 阅读全帖 |
|
g********2
发帖数: 6571 | 30 NBC News spoke with supporters of Donald Trump ahead of a rally in Ohio
Monday and got an earful on media bias in regards to the situation with
Khazir and Ghazala Khan, who have been attacking Trump for four days in
nearly every media outlet.
“I know he cares about veterans,” one supporter said.
“Well, the dad was very, very cruel to Trump in his speech, and the son
died years ago,” said another. “And Trump is not against the military, and
not against this man and his family. But this man used t... 阅读全帖 |
|
S******8
发帖数: 24594 | 31 THE BLOG
The Five Reasons Donald Trump Will Be Our Next President
Aug 20, 2016 | Updated Aug 20, 2016
Bill_Robinson Business, Technology, Entrepreneurship, Politics & Rock ‘n
Roll Journalist
You won’t see another article like this one anywhere else in the
mainstream news media; certainly not in The Huffington Post.
That’s because it’s blatantly obvious that the media doesn’t want Donald
Trump to be elected President.
Think about it: with the possible exception of Fox News, Breitbart and
Drudge, ... 阅读全帖 |
|
t****x
发帖数: 1650 | 32 支持Trump，来自一个黑姐，写得不错，很多点赞的
registered democrat and definitely voting for Trump and think Trump won...
here is why
1) this is his 1st time in the political arena and he held his own against a
30 year vet...
2) like you said...he brought up everything that Lester should have brought
up...
3) he was respectful even when she wasn't...she kept calling him Donald he
kept calling her Secretary Clinton...
4) he called them both on every underhanded low down dirty trick that they
tried to pull on him...
... 阅读全帖 |
|
d*******2
发帖数: 3045 | 33 It doesn't get much more delusional than this. According to his supporters,
there are exactly two outcomes for this election:
1. Despite countless pollsters, statisticians, political historians, GOP
strategists, past and former GOP politicians, etc. overwhelmingly saying
otherwise, Trump will win in a landslide.
2. Hillary steals the election from Trump through illegitimate means.
There is absolutely, 100%, zero chance that Hillary will win the election
legitimately in the minds of these people.... 阅读全帖 |
|
p******e
发帖数: 897 | 34 It's easy to make fun of the hats.
It's not so easy to contemplate what makes so many people think America's
greatness is in desperate need of reformation, or what would make them turn
to someone like Donald Trump to make it a reality.
RELATED
Donald Trump Is America's Enemy
It is time to ask serious questions about where Trump's loyalties lie
America has flaws as deep as its founding, when the men who laid down basic
principles of human rights – principles that have endured 240 years – were
fed... 阅读全帖 |
|
r******g
发帖数: 691 | 35 “Americans who make $20,000 a year are made fun of by Samantha Bee for
going to Wal-Mart. ”
“These are all people who will knife one another in the back to get their
kids into $50,000-a-year all-white preschools. But they think they're less
racist than other Americans because of their pleasant interactions with Rosa
when she comes to clean. ”
“In the modern Democratic Party, out-of-work coal miners are constantly
denounced for their "privilege" by half-black girls at Yale -- who wouldn't
have go... 阅读全帖 |
|
p******n
发帖数: 2449 | 36 Google got these form web, It happened last night.
-----------------------------------
David's a friend of mine. I posted this on Donald Trump's subreddit and it
was deleted in under a minute. His Paypal has been frozen twice, his Patreon
keeps getting messed with, bank cards frozen, police patrol cars regularly
in front of his apartment to intimidate him. When I hang out with him, he
keeps his cell phone in another room, says he can't stand the constant
harassment emails and messages he receive... 阅读全帖 |
|
r*s
发帖数: 2555 | 37 The Minneapolis Police Department has released transcripts of the 911 calls
placed by a bride-to-be moments before a responding officer shot her to
death.
Justine Ruszczyk, a 40-year-old Australian native, placed her first call to
911 Saturday night at 11:27 p.m. local time to report what she believed was
a sexual assault occurring near her home in Minneapolis' Fulton neighborhood.
"I can hear someone out the back and I -- I'm not sure if she's having sex
or being raped," Ruszczyk tells the 911 ... 阅读全帖 |
|
b********n
发帖数: 38600 | 38 A History Of John McCain’s Calls For War
http://geopoliticsalert.com/history-john-mccain-war
Afghanistan and Iraq
Obviously every US senator (besides California’s Barbara Lee) voted to give
president George W. Bush the power to invade Afghanistan following the
events of September 11th. However, McCain wasn’t happy with just moving to
invade Afghanistan. No, he had other targets on his mind as early as the day
after the towers fell.
Despite McCain’s claim in 2014 that “the Iraq war probably would... 阅读全帖 |
|
W*****B
发帖数: 4796 | 39 下面这篇文章挺有意思的。床铺根本就没想要当总统。他只是想利用选举给自己增加知
名度。他竞选团队里头的人也没指望他当总统。结果他意外当选了，现在竞选团队里的
人反而麻烦了。另外床铺一开始组阁时候的混乱也说明他根本也没有预料或者期待当选。
Donald Trump Didn’t Want to Be President
On the afternoon of November 8, 2016, Kellyanne Conway settled into her
glass office at Trump Tower. Right up until the last weeks of the race, the
campaign headquarters had remained a listless place. All that seemed to
distinguish it from a corporate back office were a few posters with right-
wing slogans.
Conway, the campaign’s manager, ... 阅读全帖 |
|
l***o
发帖数: 7937 | 40 "T is angry at Bannon because Bannon constantly attacks Ivanka and Jared."
Bannon constantly attacks Ivanka and Jared. I have no problem with that. --
BBer |
|
a*********a
发帖数: 3656 | 41 说你行你就行，不行也行。
说不行就不行，行也不行。
the key is "must apply constant forward pressure with the non shooting hand,
and constant rearward pressure with the shooting hand" complete opposite to
any basic marksman fundamentals. or should I say marksperson? |
|
u****n
发帖数: 7521 | 42 How America Can Rise Again
Is America going to hell? After a year of economic calamity that many fear has sent us into irreversible decline, the author finds reassurance in the peculiarly American cycle of crisis and renewal, and in the continuing strength of the forces that have made the country great: our university system, our receptiveness to immigration, our culture of innovation. In most significant ways, the U.S. remains the envy of the world. But here’s the alarming problem: our governin... 阅读全帖 |
|
d**********6
发帖数: 4434 | 43 车的接口是这样
Radio Constant 12V+ Wire: Orange/Black
Radio Switched 12V+ Wire: White/Black
Radio Ground Wire: Chassis
Radio Illumination Wire: Green/White
Radio Dimmer Wire: n/a
Radio Antenna Trigger Wire: n/a
Left Front Speaker Wire (+): White/Blue
Left Front Speaker Wire (-): Black/Blue
Right Front Speaker Wire (+): White/Red
Right Front Speaker Wire (-): Black/Red
Left Rear Speaker Wire (+): Yellow/Blue
Left Rear Speaker Wire (-): Gray/Blue
Right Rear Speaker Wire (+): Yellow/Red
Right Rear Speaker... 阅读全帖 |
|
r*******h
发帖数: 139 | 44 嗯，那我回去试试。
这个应该就是那个constant on的线没接上造成的吧。
他们换ignition coil肯定是拔了电池的，但是那个constant on的线应该不是直接接到
电池的吧，
不知道怎么会影响到那里。
正极 |
|
a****8
发帖数: 2771 | 45 The Acceleration Device allows the rear wheels to be variably overdriven
with respect to the speed of the front wheels up to 5.7%.[16][26][27] The
Acceleration Device in the Acura RL is positioned in front of the rear
differential. During normal steady state driving, the Acceleration Device
input shaft (from the engine) and output shaft (to the rear differential)
spin at almost equal speeds. In a cornering situation, the output shaft
spins up to 5.7% faster than the input shaft, effectively spee... 阅读全帖 |
|
g********d
发帖数: 19244 | 46 If you are considering buying a Volkswagon, make sure:
You live near the dealer for those constant repairs
You don't mind major and constant car problems
Repeat repairs of the same problem doesn't make you upset
You have a second non-Volkswagon to rely on (or multiple Volkswagons to swap
in/out of the repair shop)
The high risk of a car fire doesn't bother you
You have plenty of time to argue with the car manufacturer
You don't mind wasting time and money. |
|
i****x
发帖数: 17565 | 47 如果光看高速mpg，不同排量并不会拉开很多。
摩擦生热是小事，pumping loss是关键。高速巡航load不高的情况下，气门张开很小，
活塞运动等于在抽真空，这个阻力就叫pumping loss。
An engine has many moving parts that produce friction. Some of these
friction forces remain constant (as long as applied load is constant); some
of these friction losses increase as engine speed increases, such as piston
side forces and connecting bearing forces (due to increased inertia forces
from the oscillating piston). A few friction forces decrease at higher speed
, such as the friction for... 阅读全帖 |
|
F***Q
发帖数: 6599 | 48
10
I know you know something, but you could not explain it clearly.
here I have two simple scenarios, hopefully help both of us to illustrate
our points. only simple algebra involved here, should be trivial for someone
with an MIT background):
In the first scenario, assuming one's average commute distance is 20miles
one way. assuming the highway is fully occupied, 2% of the drivers keep 100m
ahead, and the rest 98% keep 10m ahead. assume everyone drives at constant
70mph; an average car length ... 阅读全帖 |
|
F***Q
发帖数: 6599 | 49
10
I know you know something, but you could not explain it clearly.
here I have two simple scenarios, hopefully help both of us to illustrate
our points. only simple algebra involved here, should be trivial for someone
with an MIT background):
In the first scenario, assuming one's average commute distance is 20miles
one way. assuming the highway is fully occupied, 2% of the drivers keep 100m
ahead, and the rest 98% keep 10m ahead. assume everyone drives at constant
70mph; an average car length ... 阅读全帖 |
|
b*****t
发帖数: 840 | 50 Honda私底下设计CRV的时候就是叫做Constantly Recreational Vibration
所以 CRV = Constantly Recreational Vibration
不抖是不能合格出厂的
抖是一种honda的乐趣
据说honda设计的重要灵感来自于dildo
新车上市后很多人开着开着就抖出了高潮 |
|
