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Does Ruby regular expression have a not match operator like “!~” in Perl?

... David HempyDavid Hempy 2,32322 gold badges2121 silver badges4545 bronze badges add a c...
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Proper use of beginBackgroundTaskWithExpirationHandler

...l need to wrap it in a background task. It's also very important that you call endBackgroundTask when you're finished - otherwise the app will be killed after its allotted time has expired. Mine tend look something like this: - (void) doUpdate { dispatch_async(dispatch_get_global_queue(DISPAT...
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How can I be notified when an element is added to the page?

...t being inserted here, // or a particular node being modified // call the function again after 100 milliseconds setTimeout( checkDOMChange, 100 ); } Once this function is called, it will run every 100 milliseconds, which is 1/10 (one tenth) of a second. Unless you need real-time elemen...
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LINQ Distinct operator, ignore case?

... Dave New 32.1k4040 gold badges165165 silver badges355355 bronze badges answered Nov 12 '08 at 6:42 AshAsh ...
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SQL Server loop - how do I loop through a set of records

...ROM @MyCursor INTO @MyField END; CLOSE @MyCursor ; DEALLOCATE @MyCursor; END; share | improve this answer | follow | ...
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*.h or *.hpp for your class definitions

...ss definitions, but after reading some boost library code, I realised they all use *.hpp . I've always had an aversion to that file extension, I think mainly because I'm not used to it. ...
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Client on node: Uncaught ReferenceError: require is not defined

... true when the browser window (where this HTML file is embedded) was originally created in the main process. function createAddItemWindow() { //Create new window addItemWindown = new BrowserWindow({ width: 300, height: 200, title: 'Add Item', //The lines below solved the issue ...
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Is it safe to resolve a promise multiple times?

... rejected), that is it for a defered object - it is done. If you should call then(...) on it's promise again, you should immediately get the (first) resolved/rejected result. Additional calls to resolve() will not (should not?) have any effect. Not sure what happens if you attempt to reject a de...
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.NET unique object identifier

... I guess for lookups you'd have to iterate over all the references you track: WeakReference to the same object are not equal to each other, so you can't really do much else. – Roman Starkov Apr 23 '10 at 10:31 ...
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Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?

...p as sleeping in the processlist! I was tearing my hair out until I killed all the threads that were open in the database in question, sleeping or not. That finally unlocked the table and let the update query run. The commenter mentioned something like "Sometimes a MySQL thread locks a table, then s...