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How exactly does __attribute__((constructor)) work?

... It runs when a shared library is loaded, typically during program startup. That's how all GCC attributes are; presumably to distinguish them from function calls. GCC-specific syntax. Yes, this works in C and C++. No, the function does not need to be static. The destructo...
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Twitter image encoding challenge [closed]

... 4 = 64 colors) that simply gets blended in in some proportion. Mathematically, this is equivalent to a variable brightness and constant contrast adjustment for each color. Unfortunately, it also means there's no negative contrast to flip the colors. Once it's computed the position, orientation a...
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ExecuteReader requires an open and available Connection. The connection's current state is Connectin

...n the Connection-Pool's territory There's a good reason why ADO.NET internally manages the underlying Connections to the DBMS in the ADO-NET Connection-Pool: In practice, most applications use only one or a few different configurations for connections. This means that during application exe...
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What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First?

...effect when used on the properties in EF Code First?. Can someone describe all of its ramifications in different situations? ...
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Gson ignoring map entries with value=null

How do I get it to include all entries? 1 Answer 1 ...
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Find a value in an array of objects in Javascript [duplicate]

... also there is a tiny utility for this called super-array – patotoma Sep 24 '17 at 17:43 ...
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How to do a simple file search in cmd

...y occurrence of the specified file name within the specified directory and all subdirectories. share | improve this answer | follow | ...
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Tri-state Check box in HTML?

...ment, I found a better solution: HTML5 defines a property for checkboxes called indeterminate See w3c reference guide. To make checkbox appear visually indeterminate set it to true: element.indeterminate = true; Here is Janus Troelsen's fiddle. Note, however, that: The indeterminate state can...
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Should I use Java date and time classes or go with a 3rd party library like Joda Time?

I'm creating a web based system which will be used in countries from all over the world. One type of data which must be stored is dates and times. ...
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How to set up a git project to use an external repo submodule?

... You have a project -- call it MyWebApp that already has a github repo You want to use the jquery repository in your project You want to pull the jquery repo into your project as a submodule. Submodules are really, really easy to reference and use...