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.NET - Dictionary locking vs. ConcurrentDictionary

...t mean that a single thread will see a "logical" sequence of results if it calls multiple methods. For example, if you first check if a key exists and then later get the value that corresponds to the key, that key may no longer exist even with a ConcurrentDictionary version (because another thread ...
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Why does JavaScript only work after opening developer tools in IE once?

...le object is only activated when the Dev Toolbar is opened. Prior to that, calling the console object will result in it being reported as undefined. After the toolbar has been opened, the console will exist (even if the toolbar is subsequently closed), so your console calls will then work. There ar...
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How to scroll to the bottom of a UITableView on the iPhone before the view appears

... I believe that calling tableView.setContentOffset(CGPoint(x: 0, y: CGFloat.greatestFiniteMagnitude), animated: false) will do what you want. share | ...
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Saving and loading objects and using pickle

... As for your second problem: Traceback (most recent call last): File "<stdin>", line 1, in <module> File "C:\Python31\lib\pickle.py", line 1365, in load encoding=encoding, errors=errors).load() EOFError After you have read the contents of the file, the file p...
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Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?

...de really shines. Like a thread is much lighter than a process, a function call is much lighter than a thread. Node calls functions, instead of creating threads. In the example of a web server, every incoming request causes a function call. -- Hmm, interesting; but you can only run one function at ...
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String representation of an Enum

...f the the "enum member" fields doesn't throw a NullReferenceException when calling the instance constructor, be sure to put the Dictionary field before the "enum member" fields in your class. This is because static field initialisers are called in declaration order, and before the static constructor...
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What is 'Context' on Android?

...ject. It lets newly-created objects understand what has been going on. Typically you call it to get information regarding another part of your program (activity and package/application). You can get the context by invoking getApplicationContext(), getContext(), getBaseContext() or this (when in a c...
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Allow Google Chrome to use XMLHttpRequest to load a URL from a local file

...quest is made from a local file. Also, about '.exe', nothing in the Q is said about Windows. Pim is a Windows dev, but still, nothing said about Windows. – user142019 Jan 27 '11 at 16:40 ...
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Take a char input from the Scanner

....next().charAt(0); Just to be safe with whitespaces you could also first call trim() on the string to remove any whitespaces. Scanner reader = new Scanner(System.in); char c = reader.next().trim().charAt(0); share ...
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Running single test from unittest.TestCase via command line

... Just noticed that this works only if the method is called "test*", so unfortunately it cannot be used to occasionally run test that is "disabled" by rename – Alois Mahdal Apr 15 '13 at 12:29 ...