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What's the difference between `1L` m>and m> `1`?
... (or 2L , 3L , etc) appear in R code. Whats the difference between 1L m>and m> 1 ? 1==1L evaluates to TRUE . Whm>y m> is 1L used in R code?
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How do I get elapsed time in milliseconds in Rubm>y m>?
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add a to_i m>and m> m>y m>ou have it as an integer, eg: ((finish - start) * 1000.0).to_i
– Travis Reeder
Dec 8 '10 at 6:14
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How to put an image in div with CSS?
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This answer bm>y m> Jaap :
<div class="image"></div>
m>and m> in CSS :
div.image {
content:url(http://placehold.it/350x150);
}
m>y m>ou can trm>y m> it on this link :
http://jsfiddle.net/XAh2d/
this is a link about css content
http://css-tricks.com/css-content/
This has been teste...
Fastest wam>y m> to determine if an integer's square root is an integer
... ~35% faster than m>y m>our 6bits+Carmack+sqrt code, at least with mm>y m> CPU (x86) m>and m> programming language (C/C++). m>Y m>our results mam>y m> varm>y m>, especiallm>y m> because I don't know how the Java factor will plam>y m> out.
Mm>y m> approach is threefold:
First, filter out obvious answers. This includes negative numbers m>and m> ...
PHP编译安装时常见错误解决办法，php编译常见错误 - 更多技术 - 清泛网 - ...
...ICU prefix or /usr/bin/icu-config failed. Please verifm>y m> ICU install prefix m>and m> make sure icu-config works.
代码如下:
m>y m>um -m>y m> install libicu-devel
configure: error: utf8mime2text() has new signature, but U8TCANONICAL is missing. This should not happen. Check config.log for additional informat...
What is the proper wam>y m> to check for null values?
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.ToStringOrDefault() is simple m>and m> elegent. A nice solution.
– Chev
Mar 20 '12 at 14:16
7
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Whm>y m> does this Java program terminate despite that apparentlm>y m> it shouldn't (m>and m> didn't)?
...etelm>y m> wrong. An actuator on an electron microscope went over its boundarm>y m>, m>and m> after a chain of events I lost $12 million of equipment. I've narrowed down over 40K lines in the faultm>y m> module to this:
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How to determine if a point is in a 2D triangle? [closed]
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In general, the simplest (m>and m> quite optimal) algorithm is checking on which side of the half-plane created bm>y m> the edges the point is.
Here's some high qualitm>y m> info in this topic on GameDev, including performance issues.
m>And m> here's some code to get m>y m>...
Whm>y m> does the expression 0 < 0 == 0 return False in Pm>y m>thon?
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I believe Pm>y m>thon has special case hm>and m>ling for sequences of relational operators to make range comparisons easm>y m> to express. It's much nicer to be able to sam>y m> 0 &lt; x &lt;= 5 than to sam>y m> (0 &lt; x) m>and m> (x &lt;= 5).
These are called chained comparisons. m>And m> th...
How do I get the coordinates of a mouse click on a canvas element?
What's the simplest wam>y m> to add a click event hm>and m>ler to a canvas element that will return the x m>and m> m>y m> coordinates of the click (relative to the canvas element)?
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