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Best way to reverse a string
... (input == null)
throw new ArgumentNullException("input");
// allocate a buffer to hold the output
char[] output = new char[input.Length];
for (int outputIndex = 0, inputIndex = input.Length - 1; outputIndex < input.Length; outputIndex++, inputIndex--)
{
// check ...
What is uintptr_t data type
...
To allocate aligned memory, among other uses, for instance?
– legends2k
Jul 21 '15 at 7:36
4
...
Displaying the build date
...d(buffer, 0, buffer.Length);
}
var pinnedBuffer = GCHandle.Alloc(buffer, GCHandleType.Pinned);
try
{
var coffHeader = (_IMAGE_FILE_HEADER)Marshal.PtrToStructure(pinnedBuffer.AddrOfPinnedObject(), typeof(_IMAGE_FILE_HEADER));
return TimeZone.Cu...
Determine device (iPhone, iPod Touch) with iOS
...imply replace - (NSString *) by + (NSString *) and you'll save yourself an alloc / release when using it.
– Ben G
Mar 2 '11 at 22:48
...
How do I design a class in Python?
...l methods.
Go through the adjectives, looking for potential attributes
Allocate methods and attributes to your classes
To refine the class, the book also advises we can do the following:
Write down (or dream up) a set of use cases—scenarios of how your program may be used. Try to c...
Why do you need to invoke an anonymous function on the same line?
...
The function(){ alert("plop"); } instruction just allocates the function but does not execute it nor binds it to a variable. Since the created function is not bound to any variable, it will be quickly GCed.
– Vincent Robert
Jul 17 '09 a...
How to overcome root domain CNAME restrictions?
...t them to set the A record on xyz.company.com to point to an IP address we allocate them.
As to how you could cope with a change in IP address I don't think there is a perfect solution. Some ideas are:
Use a NAT or IP load balancer and give your customers an IP address belonging to it. If the IP ...
How to get a variable name as a string in PHP?
...ments something called "copy-on-write" so that $foo = $bar doesn't need to allocate extra memory straight away) or because they have been assigned (or passed to a function) by reference (e.g. $foo =& $bar). So a zval has no name.
When you pass a parameter to a function you are creating a new var...
What happens to a detached thread when main() exits?
...rom the thread object, allowing
execution to continue independently. Any allocated resources will be
freed once the thread exits.
From pthread_detach:
The pthread_detach() function shall indicate to the implementation
that storage for the thread can be reclaimed when that thread
termin...
Using std Namespace
...just those spefcific names brought into the current namespace. By the same token, I think it would be crazy and a bookkeeping hassle to have 25 or 30 using-declarations when a single using-directive would do the trick just as well.
It's also good to keep in mind that there are times when you must u...