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How to empty (“truncate”) a file on linux that already exists and is protected in someway?

... What's the difference between > file and >| file? – Will Jul 28 '14 at 2:27 ...
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Why does document.querySelectorAll return a StaticNodeList rather than a real Array?

...avaScript language and use them to the best of its ability... I do somewhat empathize. If the DOM was written specifically with JavaScript features in mind it would be a lot less awkward and more intuitive to use. At the same time I do understand the W3C's design decisions. ...
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Function pointers, Closures, and Lambda

...nterfaces and Implementations. Technique #2, which more closely resembles what happens in native-code compilers for functional languages, also resembles another familiar technique... C++ objects with virtual member functions. The implementations are almost identical. This observation led to a wis...
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Get notified when UITableView has finished asking for data?

... doesn't end before the table has finish reload its data." Can you clarify what you mean by that? I find that reloadData returns immediately and I see "END reloadData" before the cells are actually reloaded (i.e. before the UITableViewDataSource methods are called). My experimentation demonstrates t...
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How to work around the lack of transactions in MongoDB?

...ion so that we can update the post collection and comments collection. So what are our approaches that we can take in MongoDB to overcome a lack of transactions? restructure - restructure the code, so that we're working within a single document and taking advantage of the atomic operations that w...
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Will the base class constructor be automatically called?

... be 2? It seems like the base class's constructor will be called no matter what. If so, why do we need to call base at the end sometimes? ...
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What is the difference between Class.this and this in Java

....new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f5666134%2fwhat-is-the-difference-between-class-this-and-this-in-java%23new-answer', 'question_page'); } ); Post as a guest ...
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Cordova: start specific iOS emulator image

... To find out what are the simulator images available you can use to list them $ cordova emulate ios --list Available iOS Virtual Devices: iPhone-4s, 9.3 iPhone-5, 9.3 iPhone-5s, 9.3 iPhone-6, 9.3 iPhone-6-Plus, 9.3 ...
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How do I create a new line in Javascript?

... +1 as this seems to be what the OP is really looking for :) (br vs \n) – Demian Brecht Apr 22 '11 at 17:34 ...
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How to install MySQLdb (Python data access library to MySQL) on Mac OS X?

...erly, and the universe according to google includes numerous references to what a PITA it is, and an inordinate number of guides that seem to be outdated. Given that this site is intended to address these sorts of problems, and I know that I'm going to need a reference to the solution in future, I'...