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LinkedBlockingQueue vs ConcurrentLinkedQueue
..., I'm not sure that ConcurrentLinkedQueue is even a reasonable option - it doesn't implement BlockingQueue, which is the fundamental interface for producer/consumer queues IMO. You'd have to call poll(), wait a bit if you hadn't found anything, and then poll again etc... leading to delays when a new...
How do I test a camera in the iPhone simulator?
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Here are instructions how to downgrade your device: iclarified.com/31004/how-to-downgrade-from-ios-7-beta-to-ios-6
– knagode
Jun 18 '13 at 15:25
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R: += (plus equals) and ++ (plus plus) equivalent from c++/c#/java, etc.?
Does R have a concept of += (plus equals) or ++ (plus plus) as c++/c#/others do?
8 Answers
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How do I ALTER a PostgreSQL table and make a column unique?
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I figured it out from the PostgreSQL docs, the exact syntax is:
ALTER TABLE the_table ADD CONSTRAINT constraint_name UNIQUE (thecolumn);
Thanks Fred.
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What is token-based authentication?
... could only use it for x amount of time, but during that period they could do all the damage they needed to.
– BenM
Nov 8 '13 at 16:06
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jQuery Event Keypress: Which key was pressed?
With jQuery, how do I find out which key was pressed when I bind to the keypress event?
24 Answers
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Optimizing away a “while(1);” in C++0x
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Does someone have a good explanation of why this was necessary to allow?
Yes, Hans Boehm provides a rationale for this in N1528: Why undefined behavior for infinite loops?, although this is WG14 document the rationale appli...
This type of CollectionView does not support changes to its SourceCollection from a thread different
...m different thread, simply put the delegate on UI Dispatcher and that will do work for you delegating it to UI thread. This will work -
public void Load()
{
matchList = new List<GetMatchDetailsDC>();
matchList = proxy.GetMatch().ToList();
foreach (EfesBet.Data...
Java code To convert byte to Hexadecimal
..., 0a, 14]"
Several answers here uses Integer.toHexString(int); this is doable, but with some caveats. Since the parameter is an int, a widening primitive conversion is performed to the byte argument, which involves sign extension.
byte b = -1;
System.out.println(Integer.toHexString(b));...
What are the best PHP input sanitizing functions?
...y, you need to make sure that fields that should not have any HTML content do not actually contain HTML. There are two ways you can deal with this problem.
First, you can try escaping HTML input with htmlspecialchars. You should not use htmlentities to neutralize HTML, as it will also perform enco...