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PHP 5: const vs static
...assName::$my_var = 20; // now equals 20
ClassName::MY_CONST = 20; // error! won't work.
Public, protected, and private are irrelevant in terms of consts (which are always public); they are only useful for class variables, including static variable.
public static variables can be accessed anyw...
Big O of JavaScript arrays
...ex operations to resize. It seems that JavaScript makes it easy to write poorly performing array code. This leads to the question:
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What is external linkage and internal linkage?
...efers to things that exist beyond a particular translation unit. In other words, accessible through the whole program, which is the combination of all translation units (or object files).
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Good Free Alternative To MS Access [closed]
...need to develop a lightweight desktop DB application on the Microsoft platforms.
28 Answers
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“std::endl” vs “\n”
...uming the file is open in text mode, which is what you get unless you ask for binary. The compiled program will write out the correct thing for the system compiled for.
The only difference is that std::endl flushes the output buffer, and '\n' doesn't. If you don't want the buffer flushed frequent...
What does a Ajax call response like 'for (;;); { json data }' mean? [duplicate]
I found this kind of syntax being used on Facebook for Ajax calls. I'm confused on the for (;;); part in the beginning of response. What is it used for?
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Does running git init twice initialize a repository or reinitialize an existing repo?
What happens to an existing git repository when you issue git init again?
4 Answers
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Detecting input change in jQuery?
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UPDATED for clarification and example
examples: http://jsfiddle.net/pxfunc/5kpeJ/
Method 1. input event
In modern browsers use the input event. This event will fire when the user is typing into a text field, pasting, undoing, basi...
Send response to all clients except sender
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Here is my list (updated for 1.0):
// sending to sender-client only
socket.emit('message', "this is a test");
// sending to all clients, include sender
io.emit('message', "this is a test");
// sending to all clients except sender
socket.broadcast.e...
Why can't an anonymous method be assigned to var?
...special about Func that it deserves to be the default instead of Predicate or Action or any other possibility? And, for lambdas, why is it obvious that the intention is to choose the delegate form, rather than the expression tree form?
But we could say that Func is special, and that the inferred ty...