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How to read the RGB value of a given pixel in Python?
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Fortunately installing PIL is very straightforward in Linux and Windows (don't know about Mac)
– heltonbiker
Sep 28 '11 at 16:20
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Can I use break to exit multiple nested 'for' loops?
...latter, which you would fit into if you choose to use them well, use a so called "evil" concept when it is the lesser of (two) evils. Read this for a better understanding of some C++ concepts that you might need to use from time to time (macros, goto's, preprocessor, arrays): parashift.com/c++-faq-l...
How to find out which processes are using swap space in Linux?
...to htop
because I don't know a reliable way to get this information (actually,
I don't think it's possible to get an exact number, because of shared
pages).
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javac option to compile all java files under a given directory recursively
...oject and don't have any proper build tools nearby, you can always use a small trick that javac offers: the classnames to compile can be specified in a file. You simply have to pass the name of the file to javac with the @ prefix.
If you can create a list of all the *.java files in your project, it'...
Smallest data URI image possible for a transparent image
... Why is the shorter one "unstable"? I see that it does occasionally cause a black image, I'm just curious if anyone knows why.
– jvenema
Dec 9 '15 at 18:05
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could not resolve host github.com error while cloning remote repository in git
...me/password -- in clear in the proxy URL, see below)
Note the NO_PROXY, to allow to access internal site to your company
You also can register that in your git config:
git config --global http.proxy http://<login_internet>:<password_internet>@aproxy:aport
But if you have incorrect proxy...
How do I find out which DOM element has the focus?
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Use document.activeElement, it is supported in all major browsers.
Previously, if you were trying to find out what form field has focus, you could not. To emulate detection within older browsers, add a "focus" event handler to all fields and record the last-focused field...
How do I rotate the Android emulator display? [duplicate]
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Fn + Ctrl + F12, I really don't get why this get so many votes
– ericn
Apr 15 '13 at 1:10
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Add a tooltip to a div
... your div the tooltip won't appear. This can be very frustrating... especially if your div looks like it should be clicked. eg: style="cursor: pointer;"
– RayLoveless
Mar 19 '14 at 15:07
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Benchmarking small code samples in C#, can this implementation be improved?
Quite often on SO I find myself benchmarking small chunks of code to see which implemnetation is fastest.
11 Answers
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