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How can I pass a parameter to a setTimeout() callback?
...ed here. This is copied and pasted from the excellent underscore library:
_.delay = function(func, wait) {
var args = slice.call(arguments, 2);
return setTimeout(function(){ return func.apply(null, args); }, wait);
};
You can pass as many arguments as you'd like to the function called by setT...
How to test if a string is JSON or not?
... useful data or an error message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message.
...
Replacement for “rename” in dplyr
...me() function that works just like plyr::rename().
df <- rename(df, new_name = old_name)
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Update one MySQL table with values from another
...l named key such as id. ie an equi-join - http://en.wikipedia.org/wiki/Join_(SQL)#Equi-join
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Change name of folder when cloning from GitHub?
...s...] <repository> [<directory>], so we see that git clone repo_url my_directory should work, as the above answer correctly shows.
– Purplejacket
Sep 26 '19 at 18:46
...
Sending a message to nil in Objective-C
...
What it means is that the runtime doesn't produce an error when objc_msgSend is called on the nil pointer; instead it returns some (often useful) value. Messages that might have a side effect do nothing.
It's useful because most of the default values are more appropriate than an error. For e...
How to generate .json file with PHP?
...rom Posts limit 20";
$response = array();
$posts = array();
$result=mysql_query($sql);
while($row=mysql_fetch_array($result)) {
$title=$row['title'];
$url=$row['url'];
$posts[] = array('title'=> $title, 'url'=> $url);
}
$response['posts'] = $posts;
$fp = fopen('results.json', 'w...
Regex (grep) for multi-line search needed [duplicate]
...ould be printed; this way it won't do that.
In regexp:
(?s) activate PCRE_DOTALL, which means that . finds any character or newline
\N find anything except newline, even with PCRE_DOTALL activated
.*? find . in non-greedy mode, that is, stops as soon as possible.
^ find start of line
\1 backre...
How do you move a commit to the staging area in git?
...dows. Tilde and carot are explained at schacon.github.io/git/git-rev-parse#_specifying_revisions
– ahains
Jun 4 '15 at 18:52
...
How do I reverse an int array in Java?
...om 'reverse' like this: swap(data, left, right).
– pm_
Dec 10 '15 at 15:29
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