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Are global variables in PHP considered bad practice? If so, why?
...lity of that code. Why would you want to isolate functionality? So you can test it and reuse it elsewhere. If you have some code you don't need to test and won't need to reuse then using global variables is fine.
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Which is better, number(x) or parseFloat(x)?
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use isNaN() for testing the NaN value, isNaN(NaN) returns true
– jave.web
Feb 6 '14 at 19:52
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Calling shell functions with xargs
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Exporting the function should do it (untested):
export -f echo_var
seq -f "n%04g" 1 100 | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {}
You can use the builtin printf instead of the external seq:
printf "n%04g\n" {1..100} | xargs -n 1 -P 10 -I {} bash -c...
How to select an option from drop down using Selenium WebDriver C#?
I was trying for my web test selecting an option. An example can be found here: http://www.tizag.com/phpT/examples/formex.php
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CSS endless rotation animation
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Working nice:
#test {
width: 11px;
height: 14px;
background: url('data:image/gif;base64,R0lGOD lhCwAOAMQfAP////7+/vj4+Hh4eHd3d/v7+/Dw8HV1dfLy8ubm5vX19e3t7fr 6+nl5edra2nZ2dnx8fMHBwYODg/b29np6eujo6JGRkeHh4eTk5LCwsN3d3dfX 13Jycp...
Hudson vs Jenkins in 2012 [closed]
...his version is then branched, any important fixes (which have been "battle-tested") are backported into this Jenkins version, and then this release gets extra testing by various people and companies. Once it's ready for release, this becomes the new LTS version.
As new high-priority fixes come alo...
Threads vs Processes in Linux
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Yes, I do have some data. I ran a test that creates 100,000 processes and a test that creates 100,000 threads. The thread version ran about 9x faster (17.38 seconds for processes, 1.93 for threads). Now this does only test creation time, but for short-lived ...
Why is there no xrange function in Python3?
...only 30% slower. How did the OP get 2x as slow? Well, if I repeat the same tests with 32-bit Python, I get 1.58 vs. 3.12. So my guess is that this is yet another of those cases where 3.x has been optimized for 64-bit performance in ways that hurt 32-bit.
But does it really matter? Check this out, w...
Difference between no-cache and must-revalidate
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With Jeffrey Fox's interpretation about no-cache, i've tested under chrome 52.0.2743.116 m, the result shows that no-cache has the same behavior as must-revalidate, they all will NOT use local cache when server is unreachable, and, they all will use cache while tap browser's Back...
How to send email from Terminal?
...echo -e 'From: from-email@gmail.com\nTo: to-email@gmail.com\nSubject: Curl Test\n\nHello')
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