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“static const” vs “#define” vs “enum”

... the use of a VLA (variable-length array), though the dimension referenced by 'var' would of course be fixed at size 5. (1) cannot be used in places like switch statements; both (2) and (3) can. (1) cannot be used to initialize static variables; both (2) and (3) can. (2) can change code that you did...
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What is the fastest way to get the value of π?

...oned, applies some great concepts but it is, clearly, not the fastest, not by a long shot, not by any reasonable measure. Also, it all depends on what kind of accuracy you are looking for. The fastest π I know of is the one with the digits hard coded. Looking at Pi and Pi[PDF], there are a lot of f...
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Wrong requestCode in onActivityResult

...rResult() from your Fragment. When you do this, the requestCode is changed by the Activity that owns the Fragment. If you want to get the correct resultCode in your activity try this: Change: startActivityForResult(intent, 1); To: getActivity().startActivityForResult(intent, 1); ...
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IE7 does not understand display: inline-block

...; hack is as follows: display: inline-block; *display: inline; zoom: 1; By default, IE7 only supports inline-block on naturally inline elements (Quirksmode Compatibility Table), so you only need this hack for other elements. zoom: 1 is there to trigger hasLayout behaviour, and we use the star p...
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Why does JPA have a @Transient annotation?

... in Java refers to the process of encoding/decoding an object's state as a byte stream. The transient keyword is a stronger condition than @Transient: If a field uses the transient keyword, that field will not be serialized when the object is converted to a byte stream. Furthermore, since JPA tre...
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Can someone explain the “debounce” function in Javascript

...nothing, it doesn't throw an error or something. The second point is done by the produced function. It first stores some information about the call (the this context and the arguments) in variables so it can later use these for the debounced call. It then clears the timeout (if there was one set) a...
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Setting a property by reflection with a string value

I'd like to set a property of an object through Reflection, with a value of type string . So, for instance, suppose I have a Ship class, with a property of Latitude , which is a double . ...
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Vagrant error : Failed to mount folders in Linux guest

... jee I would have saved some 20 hours of googling , re-configuring etc. by issuing this very one one-liner ... Where is your "just buy me a beer button" ... – Yordan Georgiev Apr 9 '15 at 17:00 ...
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How to override and extend basic Django admin templates?

...was very good for the older Django versions. But as of now, Another answer by Cheng is more relevant. stackoverflow.com/a/29997719/7344164 – DevLoverUmar Jul 15 at 5:12 add a ...
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Signal handling with multiple threads in Linux

...ending SIGTERM or SIGHUP, the signal is sent to process, which is received by and handled by root thread. Using POSIX threads, you can also sent SIGTERM to individual threads as well, but I suspect you are asking about what happens when the OS sends the signal to the process. In 2.6, SIGTERM will c...