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While loop to test if a file exists in bash
...e file actually exists by adding:
while [ ! -f /tmp/list.txt ]
do
sleep 2 # or less like 0.2
done
ls -l /tmp/list.txt
You might also make sure that you're using a Bash (or related) shell by typing 'echo $SHELL'. I think that CSH and TCSH use a slightly different semantic for this loop.
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How to print formatted BigDecimal values?
...ts money, and I need to print its value in the browser in a format like $123.00 , $15.50 , $0.33 .
6 Answers
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实战Nginx与PHP（FastCGI）的安装、配置与优化 - 更多技术 - 清泛网 - 专注...
...w.php.net官方网站下载PHP源码包，这里下载的是稳定版php-5.2.13.tar.gz。
从http://php-fpm.org/downloads/下载对应的PHP-FPM源码包，这里下载的是php-5.2.13-fpm-0.5.13.diff.gz。
需要注意，在下载软件包版本时，尽量使PHP和PHP-FPM版本一致，如果版...
JSP : JSTL's tag
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edited Mar 12 '14 at 13:39
Mdhar9e
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What is the difference between a generative and a discriminative algorithm?
...le. Suppose you have the following data in the form (x,y):
(1,0), (1,0), (2,0), (2, 1)
p(x,y) is
y=0 y=1
-----------
x=1 | 1/2 0
x=2 | 1/4 1/4
p(y|x) is
y=0 y=1
-----------
x=1 | 1 0
x=2 | 1/2 1/2
If you take a few minutes to stare at those two matrices, y...
Stacking DIVs on top of each other?
...t;
<div class="inner">1</div>
<div class="inner">2</div>
<div class="inner">3</div>
<div class="inner">4</div>
</div>
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git ahead/behind info between master and branch?
...
324
Here's a trick I found to compare two branches and show how many commits each branch is ahead o...
How can i take an UIImage and give it a black border?
...
242
With OS > 3.0 you can do this:
//you need this import
#import <QuartzCore/QuartzCore.h&...
How to print without newline or space?
...
22 Answers
22
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How can I split a comma delimited string into an array in PHP?
...;
Output :
Array
(
[0] => 9
[1] => admin@example.com
[2] => 8
)
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