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Check if PHP session has already started
... really think about refactoring your session management code if you don't know whether or not a session is started...
That said, my opinion is subjective, and there are situations (examples of which are described in the comments below) where it may not be possible to know if the session is started....
How can I open a link in a new window?
...few' w3c trolls)... will continue to be AN authoritative source...even w3c now are backing it again ;-)
– Dawesi
Aug 26 '15 at 7:51
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Check to see if a string is serialized?
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+1 for giving credits. I didn't know WordPress had this built-in. Thanks for the idea -- I'll now go ahead and create an archive of useful functions from the WordPress Core.
– Amal Murali
Feb 22 '14 at 3:50
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What is the C++ function to raise a number to a power?
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pow(double, int);
pow(long double, long double);
pow(long double, int);
Now you can't just do
pow(2, N)
with N being an int, because it doesn't know which of float, double, or long double version it should take, and you would get an ambiguity error. All three would need a conversion from int ...
Shortcut to exit scale mode in VirtualBox [closed]
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I don't know why this is voted down. It's correct; it does answer the question; and knowing the Host + Home key combination is useful because that's the only thing you need to know in order to access the menu -- that being the actual ...
How to install an apk on the emulator in Android Studio?
...te CMD in it and save it.
4- copy your desired apk to the same folder
5- now open run.bat and write adb install "your_apk_file.apk"
6- wait until the installation is complete
7- voila your apk is installed to your emulator.
Note: to re-install the application if it already existe use adb insta...
Running code in main thread from another thread
... @DavidWasser Fair enough. I don't even remember why I asked that question now (it was posted almost a year ago).
– Greg Brown
Aug 7 '16 at 20:42
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Best way to represent a fraction in Java?
...never overflow. But it'll be a tad slow for a lot of operations that you know will never overflow.. anyway, use it if you want it. I've been dying to show this off somehow. :)
Edit: Latest and greatest version of this code, including unit tests is now hosted on GitHub and also available via Maven...
Remove directory which is not empty
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you can now use a recursive option: stackoverflow.com/a/57866165/6269864
– user6269864
Sep 10 '19 at 12:30
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Do we need type=“text/css” for in HTML5 [duplicate]
...ted type attribute is either valid or invalid, but you can safely omit it knowing that browsers will still react as you expect.
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