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What is a “callback” in C and how are they implemented?

... iResult = WSAStartup(MAKEWORD(2, 2), &wsaData); if (iResult != NO_ERROR) { printf("WSAStartup failed with error: %ld\n", iResult); return 1; } //---------------------- // Create a SOCKET for listening for // incoming connection requests. SOCKET ListenSock...
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logger configuration to log to file and print to stdout

... @sr2222 logger.addHandler(sys.stdout) gives me NameError: name 'sys' is not defined – stdcerr Dec 5 '12 at 22:57 21 ...
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java.lang.OutOfMemoryError: bitmap size exceeds VM budget - Android

... One of the most common errors that I found developing Android Apps is the “java.lang.OutOfMemoryError: Bitmap Size Exceeds VM Budget” error. I found this error frequently on activities using lots of bitmaps after changing orientation: the Activ...
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Create an enum with string values

...llo" | "world"; var foo: Options; foo = "hello"; // Okay foo = "asdf"; // Error! More : https://www.typescriptlang.org/docs/handbook/advanced-types.html#string-literal-types Legacy Support Enums in TypeScript are number based. You can use a class with static members though: class E { st...
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ALTER DATABASE failed because a lock could not be placed on database

... After you get the error, run EXEC sp_who2 Look for the database in the list. It's possible that a connection was not terminated. If you find any connections to the database, run KILL <SPID> where <SPID> is the SPID for the s...
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Variable declaration placement in C

...top of the for loop scope block. But, the char *s declaration should be an error. share | improve this answer | follow | ...
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Jenkins Host key verification failed

I have a problem with jenkins , setting "git", shows the following error: 13 Answers ...
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How can I save an image with PIL?

... The error regarding the file extension has been handled, you either use BMP (without the dot) or pass the output name with the extension already. Now to handle the error you need to properly modify your data in the frequency doma...
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Entity Framework - Invalid Column Name '*_ID"

...t I didnt know it until after I figured my problem out). If you have some error related to OtherTable_ID when you are retrieving Table, go to your OtherTable model and make sure you don't have an ICollection<Table> in there. Without a relationship defined, the framework will auto-assume that...
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What is the cleanest way to get the progress of JQuery ajax request?

... existing code because it breaks all calls to the deprecated .success and .error. It also strips all non standard attributes you set on a jqXHR object. It does not provide also the context into "this" for the uploadProgress callback (maybe the same for progress but not tested) as it is done for all ...