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Objective-C categories in static library
...aining a class name, request a class pointer for that name and dynamically allocate the class. E.g. instead of
MyCoolClass * mcc = [[MyCoolClass alloc] init];
I could also write
NSString * cname = @"CoolClass";
NSString * cnameFull = [NSString stringWithFormat:@"My%@", cname];
Class mmcClass = N...
std::vector versus std::array in C++
...owing elements behind the scenes).
Since it stores the elements in memory allocated on the heap, it has some overhead in respect to static arrays.
std::array is a template class that encapsulate a statically-sized array, stored inside the object itself, which means that, if you instantiate the cla...
AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?
...an elegant way. I had to capture a value on a hidden input (a Symfony form token, generated in the server).
– PachinSV
Jul 26 '14 at 16:58
...
Download a single folder or directory from a GitHub repo
...ss dashboard and wait for browser trigger download.
Get the ZIP file.
Get Token:
Click GitZip Extension icon on your browser.
Click "Normal" or "Private" link besides "Get Token".
Authorize GitZip permission on Github auth page.
Back to repo page of the beginning.
Continue to use.
Option 2: Gith...
What is the difference between char s[] and char *s?
...puts the literal string in read-only memory and copies the string to newly allocated memory on the stack. Thus making
s[0] = 'J';
legal.
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What does the brk() system call do?
... set the break address to the end of the data segment. The first call to malloc would then use sbrk to move the break up and create the heap in between the top of the data segment and the new, higher break address, as shown in the diagram, and subsequent use of malloc would use it to make the heap ...
When to use ' (or quote) in Lisp?
...hash tables.
This is where quote comes in. Say you want to plot resource allocations from a Python application, but rather do the plotting in Lisp. Have your Python app do something like this:
print("'(")
while allocating:
if random.random() > 0.5:
print(f"(allocate {random.randin...
How to deal with “java.lang.OutOfMemoryError: Java heap space” error?
...ably so that the programmer can't create programs that have runaway memory allocation without running into this problem and having to examine exactly what they are doing).
So this given there are several approaches you could take to either determine what amount of memory you need or to reduce the a...
What does enctype='multipart/form-data' mean?
...k the syntax of the request by eye. Please don't use them in your boundary tokens.
– Dewi Morgan
Nov 11 '19 at 17:01
1
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Cross Domain Form POSTing
...eby preventing javascript to update document with forms that have security tokens from other url).
– Mohsenme
May 7 '15 at 22:46
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