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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
...
Should I use an exception specifier in C++?
...
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.
...
When to dispose CancellationTokenSource?
...ses. If the
CancellationToken's WaitHandle had been accessed (thus lazily
allocating it), Dispose will dispose of that handle. Additionally, if
the CTS was created via the CreateLinkedTokenSource method, Dispose
will unlink the CTS from the tokens it was linked to. In .NET 4.5,
Dispose has an add...
Getting “bytes.Buffer does not implement io.Writer” error message
...ootstrap [64]byte // memory to hold first slice; helps small buffers avoid allocation.
lastRead readOp // last read operation, so that Unread* can work correctly.
}
using passed by value, the passed new buffer struct is different from the origin buffer variable.
...
What resources are shared between threads?
...ong as you are sure you're not trying to reference a stack that has been deallocated I'm not sure I see a problem with it?
– bph
Apr 12 '18 at 15:36
3
...
Copy array by value
...nters to the elements in the original array (shallow copy). splice(0) will allocate new memory (deep copy) for elements in the array which are numbers or strings, and create pointers for all other element types (shallow copy). By passing a start value of zero to the splice function-method, it won't ...
What's the difference between Unicode and UTF-8? [duplicate]
...
UTF-8 encoding dynamically allocates bits depending on each character. whereas unicode uses 32 bits for each character. This answer examples are only using 7 bit ASCII characters, that is why is easy to understand and satisfies most readers, but UTF-8 ...
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 ...
MySQL - why not index every field?
...
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...
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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