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Java Equivalent of C# async/await?

... = AsynchronousFileChannel.open(path); ByteBuffer buffer = ByteBuffer.allocate(100_000); await channel.read(buffer, 0, buffer, this); return buffer.get(0); } Then I would imagine the compiler will transform the original async/await code into something like this: public static Future&...
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Where are an UIWebView's cookies stored?

...NSString *)msgOrNil { NSMutableString *cookieDescs = [[[NSMutableString alloc] init] autorelease]; NSHTTPCookie *cookie; NSHTTPCookieStorage *cookieJar = [NSHTTPCookieStorage sharedHTTPCookieStorage]; for (cookie in [cookieJar cookies]) { [cookieDescs appendString:[self cookieDescription:cook...
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Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req

...risks before using this code. It's very simple to solve if you are using PHP. Just add the following script in the beginning of your PHP page which handles the request: <?php header('Access-Control-Allow-Origin: *'); ?> If you are using Node-red you have to allow CORS in the node-red/sett...
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What is the most efficient way to store tags in a database?

...ic items MUCH more simple. You don't have to create a new tag, remove the allocation of the old one and re-allocate a new one, you just edit the tagname. For displaying a list of tags, you simply use DISTINCT or GROUP BY, and of course you can count how many times a tag is used easily, too. ...
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Android Center text on canvas

...Bounds(Rect) instead. (Do not use Canvas.getClipBounds().getHeight() as it allocates memory for a Rect.) For reasons of performance, you should allocate objects before they are used in onDraw(). As drawCenter() will be called within onDraw() the object Rect r is preallocated as a field here. I ...
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What is a “cache-friendly” code?

...ilar processors. In some cases, however, it can be worth doing things like allocating a large buffer, and then using only parts of what you allocated to ensure against data sharing the same cache lines (even though you'll probably need to detect the exact processor and act accordingly to do this). ...
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Resolve Git merge conflicts in favor of their changes during a pull

...'s, the easiest way is: git checkout --theirs path/to/the/conflicted_file.php git add path/to/the/conflicted_file.php The converse of this (to overwrite the incoming version with your version) is git checkout --ours path/to/the/conflicted_file.php git add path/to/the/conflicted_file.php Surpri...
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Best practices for in-app database migration for Sqlite

...ng stringWithFormat:@"userdata.sqlite"]; _database = [[FMDatabase alloc] initWithPath:[documentsDir stringByAppendingPathComponent:databaseName]]; _database.logsErrors = YES; if (![_database openWithFlags:SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_FILEPROTECTI...
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Real escape string and PDO [duplicate]

...escape_string() with the PDO::quote() method. Here is an excerpt from the PHP website: <?php $conn = new PDO('sqlite:/home/lynn/music.sql3'); /* Simple string */ $string = 'Nice'; print "Unquoted string: $string\n"; print "Quoted string: " . $conn->quote($string) . "\n";...
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Sharing a URL with a query string on Twitter

...tion shareOnFB(){ var url = "https://www.facebook.com/sharer/sharer.php?u=https://yoururl.com&t=your message"; window.open(url, '', 'menubar=no,toolbar=no,resizable=yes,scrollbars=yes,height=300,width=600'); return false; } function shareOntwitter(){ var url = 'https...