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How can I check for “undefined” in JavaScript? [duplicate]
...ndefined". I think it is long winded and unnecessary. (I can get the same done in less code.)
Now some people will keel over in pain when they read this, screaming: "Wait! WAAITTT!!! undefined can be redefined!"
Cool. I know this. Then again, most variables in Javascript can be redefined. Should y...
Fastest method of screen capturing on Windows
...ago that was said to be faster than reading from the front buffer. Do you honestly do it that way and does it work properly?
– someguy
Feb 28 '11 at 16:54
...
How to compare arrays in JavaScript?
...ng passed, let's say YES
return true;
}
However, remember that this one is to serve in comparing JSON like data, not class instances and other stuff. If you want to compare mor complicated objects, look at this answer and it's superlong function.
To make this work with Array.equals you must e...
How to avoid having class data shared among instances?
... An added clarification: if you were to reassign the list property in one of the instances, it would not affect the others. So if you did something like x.list = [], you could then change it and not affect any others. The problem you face is that x.list and y.list are the same list, so when you...
Vertically align an image inside a div with responsive height
...
I don't see how that can happen from the CSS i mentioned. Please provide a working sample i can see so i can improve my answer. PS: I also provided another solution :)
– Tibos
Aug 30 '13 at 15:16
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How can I find where I will be redirected using cURL?
...
I think this one is the better solution, because it also unfolds multiple redirections.
– Christian Engel
Apr 12 '15 at 20:24
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When to use a linked list over an array/array list?
... just as easily as, if not easier than, the linked list. I was hoping someone could give me some examples of when the linked list is notably better.
...
Linux/Unix command to determine if process is running?
...unning." 1>&2
exit 1
else
for PID in $PIDS; do
echo $PID
done
fi
You can test it by saving it to a file (named "running") with execute permissions (chmod +x running) and executing it with a parameter: ./running "httpd"
#!/bin/bash
ps cax | grep httpd
if [ $? -eq 0 ]; then
echo ...
UIButton: how to center an image and a text using imageEdgeInsets and titleEdgeInsets?
...bers. Note that the following code is outdated and you should probably use one of the updated versions below:
// the space between the image and text
CGFloat spacing = 6.0;
// lower the text and push it left so it appears centered
// below the image
CGSize imageSize = button.imageView.frame.size;...
How can I get the list of files in a directory using C or C++?
... people get real!! this is a question from 2009 and it has not even mentioned VS. So do not criticize that your full proprietary (although quite nice) IDE is not supporting centuries old OS standards. Also my answer said it is "available" for windows, not "included" in any IDE from now and for all...