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Why are only final variables accessible in anonymous class?
...to have too a cumbersome syntax. AtomicReference is maybe a little slower (allocates an object).
– zakmck
Nov 29 '17 at 17:37
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Should I use an exception specifier in C++?
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try
{
std::vector<TObj> k( 1000 );
// ...
}
catch( const bad_alloc& b )
{
MessageUser( "out of memory, exiting process" );
throw;
}
Nevertheless, when your library just throws your own exceptions, you can use exception specifications to state your intent.
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What is the easiest way to initialize a std::vector with hardcoded elements?
...can actually provide a definition, to do it right would require the static allocation of an array and returning a reference to it, and the next question would be what would make sense as values for the array? (Also note that this means one array per type/size combination of the function's instantiat...
Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?
...ny other matrix math function relies on size, stride and continuous memory allocation.
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How do I create delegates in Objective-C?
...ign it as the web view's delegate:
MyClass *instanceOfMyClass = [[MyClass alloc] init];
myWebView.delegate = instanceOfMyClass;
On the UIWebView side, it probably has code similar to this to see if the delegate responds to the webViewDidStartLoad: message using respondsToSelector: and send it if ...
Exception.Message vs Exception.ToString()
...ingBuilder in this scenario may well be more expensive than two new string allocations, it's highly debatable it would be more efficient here. It's not like we're dealing with iterations. Horses for courses.
– Wim Hollebrandse
Feb 1 '10 at 13:28
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RESTful API methods; HEAD & OPTIONS
I'm writing a RESTful API module for an application in PHP, and I'm a bit mixed on the verbs HEAD and OPTIONS .
3 Answer...
Redefining NULL
...ll run into problems with functions that can return NULL. For example the malloc documentation states:
If the function failed to allocate the
requested block of memory, a null
pointer is returned.
Because malloc and related functions are already compiled into binaries with a specific NULL ...
How to use SSH to run a local shell script on a remote machine?
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Note that I had a Pseudo-terminal will not be allocated because stdin is not a terminal. message. One has to use ssh with -t -t params to avoid that. See this thread on SO
– Buzut
Apr 1 '16 at 12:55
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MySQL - why not index every field?
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Indexing will take up more allocated space both from drive and ram, but also improving the performance a lot. Unfortunately when it reaches memory limit, the system will surrender the drive space and risk the performance. Practically, you shouldn't ind...