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Creating a system overlay window (always on top)

...ng to create an always-op-top button/clickable-image which stays on top of all the windows all the time. 16 Answers ...
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HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK

I am using XAMPP for development. Recently I upgraded my installation of xampp from an old version to 1.7.3. 12 Answers ...
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What is the garbage collector in Java?

...to Java and confused about the garbage collector in Java. What does it actually do and when does it comes into action. Please describe some of the properties of the garbage collector in Java. ...
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Create a folder inside documents folder in iOS apps

...the application's Documents Directory http://developer.apple.com/library/ios/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/StandardBehaviors/StandardBehaviors.html#//apple_ref/doc/uid/TP40007072-CH4-SW6 Because the NSSearchPathForDirectoriesInDomains function was designed origina...
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Where should virtualenvs be created?

... Many people use the virtualenvwrapper tool, which keeps all virtualenvs in the same place (the ~/.virtualenvs directory) and allows shortcuts for creating and keeping them there. For example, you might do: mkvirtualenv djangoproject and then later: workon djangoproject It's ...
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MySQL - force not to use cache for testing speed of query

...LE This will stop MySQL caching the results, however be aware that other OS and disk caches may also impact performance. These are harder to get around. share | improve this answer | ...
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How to make child process die after parent exits?

... child process. Now when the parent process exits for whatever reason (normally or abnormally, by kill, ^C, assert failure or anything else) I want the child process to die. How to do that correctly? ...
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Rails: convert UTC DateTime to another time zone

...e names of the ActiveSupport time zones by doing: ActiveSupport::TimeZone.all.map(&:name) # or for just US ActiveSupport::TimeZone.us_zones.map(&:name) share | improve this answer ...
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Is there any way to enforce typing on NSArray, NSMutableArray, etc.?

Can I make a NSMutableArray instance where all the elements are of type SomeClass ? 11 Answers ...
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Cannot find module cv2 when using OpenCV

... the question was about Raspbian OS , which is Linux . – Midhun Apr 6 '16 at 20:33 2 ...