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Redis: Show database size/size for keys
...ue require to be stored in RAM.
The reported usage is the total of memory allocations for data and administrative overheads that a key its value require
(source redis documentation)
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How to join strings in Elixir?
...have those strings as variables somewhere, by using a deep list, you avoid allocating a whole new string just to output it elsewhere. Many functions in elixir/erlang understand iolists, so you often wouldn't need to do the extra work.
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Regular expression for first and last name
...ames, then several things that are not names. The not names list has 'test token' as the first entry. This matches that.
– Rob
Mar 23 '17 at 22:01
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From io.Reader to string in Go
...ing about "the most efficient way". Currently, the Go run-time will always allocate a new string when converting []byte to string. The reason for this is that the compiler doesn't know how to determine whether the []byte will be modified after the conversion. There is some room for compiler optimiza...
Null check in an enhanced for loop
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Note that Collections.emptyList() will avoid allocating an extra object (IIRC).
– Jon Skeet
Feb 12 '10 at 6:31
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Reducing Django Memory Usage. Low hanging fruit?
...our browser at http://domain/_dozer/index to see a list of all your memory allocations.
I'll also just add my voice of support for mod_wsgi. It makes a world of difference in terms of performance and memory usage over mod_python. Graham Dumpleton's support for mod_wsgi is outstanding, both in ter...
How do you remove all the options of a select box and then add one option and select it with jQuery?
...s create a memory leak? The option elements are now inaccessible but still allocated.
– Synetech
Mar 6 '19 at 19:57
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Passing parameters to addTarget:action:forControlEvents
...i < _phoneNumbers.count; i++) {
UIButton *phoneButton = [[UIButton alloc] initWithFrame:someFrame];
[phoneButton setTitle:_phoneNumbers[i] forState:UIControlStateNormal];
[phoneButton setTag:i];
[phoneButton addTarget:self
action:@selector(call:)
f...
UINavigationBar Hide back Button Text
...
Objective-C
[self.navigationItem setBackBarButtonItem:[[UIBarButtonItem alloc] initWithTitle:@"" style:UIBarButtonItemStylePlain target:nil action:nil]];
Swift
self.navigationItem.backBarButtonItem = UIBarButtonItem(title: "", style: .plain, target: nil, action: nil)
This should be done on t...
Reference — What does this symbol mean in PHP?
... constants: Although these are not just symbols but important part of this token family. There are eight magical constants that change depending on where they are used.
__LINE__: The current line number of the file.
__FILE__: The full path and filename of the file. If used inside an include, the n...