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Parsing a comma-delimited std::string [duplicate]
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Lots of pretty terrible answers here so I'll add mine (including test program):
#include <string>
#include <iostream>
#include <cstddef>
template<typename StringFunction>
void splitString(const std::string &str, char delimiter, StringFunction f) {
std::size_...
delete a.x vs a.x = undefined
... way that they are the same is that you can't tell if a property exists by testing
if (a.x === undefined)
Which you shouldn't do if you are trying to determine if a property exists, you should always use
// If you want inherited properties
if ('x' in a)
// If you don't want inherited propertie...
How do I use Django templates without the rest of Django?
...m a file: settings.configure( TEMPLATE_DIRS=(".",) ) t = get_template('test.html')
– Bryce
Sep 16 '13 at 6:51
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angular.element vs document.getElementById or jQuery selector with spin (busy) control
...ngular element. This way you may search inside an element. Useful for unit tests.
– unludo
Jun 5 '14 at 9:03
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How do I dump the data of some SQLite3 tables?
... ".mode insert $t\nselect * from $t;"
done | sqlite3 $DB > backup.sql
Tested on sqlite3 version 3.6.20.
If you want to exclude certain tables you can filter them with $(sqlite $DB .tables | grep -v -e one -e two -e three), or if you want to get a specific subset replace that with one two three...
Predicate Delegates in C#
...gument and always return boolean type. Basically, the predicate is used to test the condition - true/false. Many classes support predicate as an argument. For e.g. list.findall expects the parameter predicate. Here is an example of the predicate.
Imagine a function pointer with the signature -
b...
changing source on html5 video tag
...ks.
Here is "one" vanilla JS way of doing this, working in Chrome, please test in other browsers:
http://jsfiddle.net/mattdlockyer/5eCEu/2/
HTML:
<video id="video" width="320" height="240"></video>
JS:
var video = document.getElementById('video');
var source = document.createEleme...
Check if directory mounted with bash
...s a non-zero exit status if there are no matches. There is no need for the test, or the subshell created by $(). if command | grep -q 'stuff'; then ...
– jordanm
Feb 23 '12 at 23:54
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How to handle code when app is killed by swiping in android?
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@Sergio yes it is the safest method and I tested it on larger scale Application.
– Ahmad
Aug 22 '19 at 10:17
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git pushes with wrong user from terminal
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@Yinfei84 what would happen if (to test it out) you set those variables explicitly, and try a commit and a push. Would that work better then?
– VonC
Feb 7 '14 at 10:43
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