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Could not reserve enough space for object heap
...machines with a lot of RAM, but with lower memory ulimits. Java decides to allocate a big heap because it detects the ram in the machine, but it's not allowed to allocate it because of ulimits.
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Is String.Format as efficient as StringBuilder
...eration for a String or StringBuilder object depends on how often a memory allocation occurs. A String concatenation operation always allocates memory, whereas a StringBuilder concatenation operation only allocates memory if the StringBuilder object buffer is too small to accommodate the new data. C...
How large should my recv buffer be when calling recv in the socket library
...ning out of space?
No. However, you can try to resize the buffer using realloc() (if it was originally allocated with malloc() or calloc(), that is).
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How can I get all the request headers in Django?
...ch any characters in the string you give it, so if you have a header "HTTP_TOKEN_ID" it will give back "OKEN_ID", because the "T" at the beginning of "TOKEN" matches a character in the string passed to lstrip. The way to do it is prefix = 'HTTP_'; header = header[len(prefix):].
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UIView frame, bounds and center
...] could be the view managed by a UIViewController
UIView* view1 = [[UIView alloc] initWithFrame:CGRectMake(30.0f, 20.0f, 400.0f, 400.0f)];
view1.backgroundColor = [UIColor redColor];
[[self view] addSubview:view1];
When you need the coordinates to drawing inside a view you usually refer to bo...
How to load local html file into UIWebView
... in your project Assets(bundle) to webView.
UIWebView *web = [[UIWebView alloc] initWithFrame:CGRectMake(0, 0, 320, 460)];
[web loadRequest:[NSURLRequest requestWithURL:[NSURL fileURLWithPath:[[NSBundle mainBundle]
pathForResource:@"test" ofType:@"html"]isDirec...
Replacement for deprecated -sizeWithFont:constrainedToSize:lineBreakMode: in iOS 7?
...ample: NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init]; paragraphStyle.lineBreakMode = NSLineBreakByWordWrapping; In the attributes you would then need to add NSParagraphStyleAttributeName: paragraphStyle.copy...
– Florian Friedrich
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When you exit a C application, is the malloc-ed memory automatically freed?
...d introduces the possibility of bugs (tell me you've never seen a bug in deallocation code!). It's not "sloppy" to intentionally omit something which is worse in every way for your particular use case. Unless or until you mean to run it on some ancient/tiny system which can't free pages after proc...
How to read from a file or STDIN in Bash?
...erring to read's behavior: while read does potentially split into multiple tokens by the chars. contained in $IFS, it only returns a single token if you only specify a single variable name (but trims and leading and trailing whitespace by default).
– mklement0
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How to use shared memory with Linux in C
... you'd rather use the old-style tools.
The mmap() function can be used to allocate memory buffers with highly customizable parameters to control access and permissions, and to back them with file-system storage if necessary.
The following function creates an in-memory buffer that a process can sha...