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Git remote branch deleted, but still it appears in 'branch -a'

... git remote prune origin, as suggested in the other answer, will remove all such stale branches. That's probably what you'd want in most cases, but if you want to just remove that particular remote-tracking branch, you should do: git branch -d -r origin/coolbranch (The -r is easy to forget...)...
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Script Tag - async & defer

... page display in new browsers that support defer, but it won't help you at all in older browsers and it isn't really any faster than just putting the scripts right before </body> which works in all browsers. So, you can see why it's just best to put them right before </body>. Async is ...
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Searching if value exists in a list of objects using Linq

... Because not all collections have Exists, and it does not take a lambda expression, but rather the object we are looking for itself. – zvolkov Jul 9 '14 at 12:10 ...
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PHP Remove elements from associative array

...', 4 => 'Completed', 5 => 'Mark As Spam', ); That would allow you to use your values of key as indexes to access the array... And you'd be able to use functions to search on the values, such as array_search() : $indexCompleted = array_search('Completed', $array); unset($array[$...
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How can I disable ARC for a single file in a project?

... objects) where the rules of ARC are a little more fragile right now. I recall hearing that there was a way to disable ARC on a per-file basis, though I have been unable to find this option. ...
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How expensive is the lock statement?

I've been experimenting with multi threading and parallel processing and I needed a counter to do some basic counting and statistic analysis of the speed of the processing. To avoid problems with concurrent use of my class I've used a lock statement on a private variable in my class: ...
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How to iterate over a JSONObject?

I use a JSON library called JSONObject (I don't mind switching if I need to). 15 Answers ...
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Why can't an anonymous method be assigned to var?

...type of a lambda or anonymous method is Func of something. We'd still have all kinds of problems. What types would you like to be inferred for the following cases? var x1 = (ref int y)=>123; There is no Func<T> type that takes a ref anything. var x2 = y=>123; We don't know the type...
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Select N random elements from a List in C#

... time you get to the end you will have your 5 items, and often you'll have all of them before that. share | improve this answer | follow | ...
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psql - save results of command to a file

I'm using psql's \dt to list all tables in a database and I need to save the results. 10 Answers ...