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What is the direction of stack growth in most modern systems?
...rything from my big honkin' System z at work to a puny little wristwatch.
If the CPU provides any kind of choice, the ABI / calling convention used by the OS specifies which choice you need to make if you want your code to call everyone else's code.
The processors and their direction are:
x86: d...
Maximum length for MySQL type text
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Note that the size limits are in bytes. So if you use multi-byte characters, you don't get 2^16 characters in a TEXT column, you get however many characters you can store in 2^16 bytes.
– Bill Karwin
May 13 '13 at 21:38
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Is there XNOR (Logical biconditional) operator in C#?
...r, non-boolean cases present problems, like in this example:
a = 5
b = 1
if (a == b){
...
}
instead, use this:
a = 5
b = 1
if((a && b) || (!a && !b)){
...
}
or
if(!(a || b) && (a && b)){
...
}
the first example will return false (5 != 1), but the second wil...
Try-finally block prevents StackOverflowError
...nally block take twice as long an the stack depth could be
10,000 or more. If you can make 10,000,000 calls per second, this will take 10^3003 seconds or longer than the age of the universe.
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How to add new elements to an array?
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The size of an array can't be modified. If you want a bigger array you have to instantiate a new one.
A better solution would be to use an ArrayList which can grow as you need it. The method ArrayList.toArray( T[] a ) gives you back your array if you need i...
What's the difference between hard and soft floating point numbers?
...t my executable uses hard floats but my libc uses soft floats. What's the difference?
5 Answers
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WebSockets vs. Server-Sent events/EventSource
...ta to browsers. To me they seem to be competing technologies. What is the difference between them? When would you choose one over the other?
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Why is argc not a constant?
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(Aside: Interestingly, although getopt's prototype suggests it won't modify argv[] but may modify the strings pointed to, the Linux man page indicates that getopt permutes its arguments, and it appears they know they're being naughty. The man page at the Open Group does not mention this permutat...
Why does casting int to invalid enum value NOT throw exception?
If I have an enum like so:
4 Answers
4
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How to use php serialize() and unserialize()
...e transported or stored or otherwise used outside of a running PHP script. If you want to persist such a complex data structure beyond a single run of a script, you need to serialize it. That just means to put the structure into a "lower common denominator" that can be handled by things other than P...