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How do I check which version of NumPy I'm using?
...c Rodger: yeah, but your is more general to any module that cares to set a __version__.
– Esteban Küber
Oct 5 '09 at 14:13
57
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Function in JavaScript that can be called only once
...
If by "won't be executed" you mean "will do nothing when called more than once", you can create a closure:
var something = (function() {
var executed = false;
return function() {
if (!executed) {
executed = true;
// do something
}
...
Block Comments in a Shell Script
...ommands and noh is for nohighlight. Search term highlighting will automatically resume the next time you search for something. Example: :10,100s/^/#/g|noh
– Matthew
Mar 13 '15 at 20:43
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HTML-encoding lost when attribute read from input field
...e){
// Create a in-memory element, set its inner text (which is automatically encoded)
// Then grab the encoded contents back out. The element never exists on the DOM.
return $('<textarea/>').text(value).html();
}
function htmlDecode(value){
return $('<textarea/>').html(value).t...
java.net.URLEncoder.encode(String) is deprecated, what should I use instead?
...
He's calling it bloated because its overpopulating the global class namespace. Why have URLEncoder.encode and URLDecoder.decode when you could have URL.encode and URL.decode, or even just URLEncoder.decode? Why make it all redundan...
Changing every value in a hash in Ruby
...
@Andrew Marshall Right you are, thanks. In Ruby 1.8, Hash.[] doesn't accept an array of array pairs, it requires an even number of direct arguments (hence the splat up front).
– Phrogz
Mar 4 '11 at 3...
Extracting just Month and Year separately from Pandas Datetime column
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what actually does pd.Datetimeindex do?
– JOHN
Apr 16 '18 at 5:24
1
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Finding current executable's path without /proc/self/exe
...e) method is to use argv[0]. Although it could be set to anything by the calling program, by convention it is set to either a path name of the executable or a name that was found using $PATH.
Some shells, including bash and ksh, set the environment variable "_" to the full path of the executable be...
Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
...for compatibility with legacy content. [RFC3986]
This definitely works in all current browsers, but may not work as expected in some older browsers ("browsers do weird things with an empty action="" attribute"), which is why the spec strongly discourages authors from leaving it empty:
The action a...
How to add a 'or' condition in #ifdef
...¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯|//
#ifdef CONDITION_01 //| |//
#define TEMP_MACRO //| |//
#endif //| |//
#ifdef CONDITION_02 //| |//
#define TEMP_MACRO //| |//
#endif ...