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Count the number occurrences of a character in a string
...lest, but if you're doing this frequently, check out collections.Counter:
from collections import Counter
my_str = "Mary had a little lamb"
counter = Counter(my_str)
print counter['a']
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imp...
Animate scrollTop not working in firefox
...ght be more straight-forward to enforce that the callback is only run once from within the callback:
function runOnce(fn) {
var count = 0;
return function() {
if(++count == 1)
fn.apply(this, arguments);
};
};
$('body, html').animate({ scrollTop: stop }, delay, ru...
Enum type constraints in C# [duplicate]
...it more (heck, a lot more) if it might mean the restrictions being removed from C# 5. (I assume C# 4 is locked down now.)
– Jon Skeet
Sep 10 '09 at 8:52
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Unpacking array into separate variables in JavaScript
...
You should really use var to prevent the variables from polluting the global scope.
– Mathias Bynens
Aug 6 '10 at 9:25
...
PUT vs. POST in REST
...stomer” resource with a
different mailing address field value.
taken from REST API Design - Resource Modeling by Prakash Subramaniam of Thoughtworks
This forces the API to avoid state transition problems with multiple clients updating a single resource, and matches more nicely with event sour...
PHP page redirect [duplicate]
... exit() right after it so that code below it does not get executed.
Also, from the documentation:
Remember that header() must be called before any actual output is sent, either by normal HTML tags, blank lines in a file, or from PHP. It is a very common error to read code with include(), or req...
How can I join elements of an array in Bash?
...
@musiphil Wrong. From bash man: "The format is reused as necessary to consume all of the arguments. Using two format placeholders like in printf "%s%s" would use separator in the first instance ONLY set of output, and then simply concatenate ...
Starting python debugger automatically on error
...hat traceback. You don't need to pass traceback object to pdb.post_mortem. From docs: If no traceback is given, it uses the one of the exception that is currently being handled (an exception must be being handled if the default is to be used).
– Piotr Dobrogost
...
CSS media queries: max-width OR max-height
...screen and (max-width: 995px) , screen and (max-height: 700px) {
...
}
From https://developer.mozilla.org/en/CSS/Media_queries/
...In addition, you can combine multiple media queries in a comma-separated list; if any of the media queries in the list is true, the associated style sheet is app...
How do I initialize an empty array in C#?
... items without specifying the size OR type, the compiler will infer either from the initializer: var a = new []{"a", "b", "c"}; This is still a strongly typed string array.
– Nick VanderPyle
Jan 4 '12 at 14:12
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