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What do querySelectorAll and getElementsBy* methods return?
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The following description is taken from this page:
The getElementsByClassName() method returns a collection of all elements in the document with the specified class name, as a NodeList object.
The NodeList object represents a collection of ...
Find the version of an installed npm package
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├─┬ cli-color@0.1.6
│ └── es5-ext@0.7.1
├── coffee-script@1.3.3
├── less@1.3.0
├─┬ sentry@0.1.2
│ ├── file@0.2.1
│ └── underscore@1.3.3
└── uglify-js@1.2.6
You can also add --depth=0 argument to list installed packages without their d...
How to atomically delete keys matching a pattern using Redis
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Starting with redis 2.6.0, you can run lua scripts, which execute atomically. I have never written one, but I think it would look something like this
EVAL "return redis.call('del', unpack(redis.call('keys', ARGV[1])))" 0 prefix:[YOUR_PREFIX e.g delete_me_*]
Warn...
Why is jquery's .ajax() method not sending my session cookie?
...nd Cookies if the url you're calling is on the same domain as your calling script.
This may be a Cross Domain Problem.
Maybe you tried to call a url from www.domain-a.com while your calling script was on www.domain-b.com (In other words: You made a Cross Domain Call in which case the browser won't...
Bash command to sum a column of numbers [duplicate]
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@DavidMann: "$@" is used inside a script to represent all the arguments to the script, or nothing/none if there were no arguments. If you're using the awk in pbpaste | awk …, you simply omit the "$@" (though it would usually do no damage; most interactive ...
How to generate .json file with PHP?
...son', $json_data);
You have to create the myfile.json before you run the script.
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sed beginner: changing all occurrences in a folder
...res of sed that are specific to linux or BSD. Instead I use the overwrite script from Kernighan and Pike's book on the Unix Programming Environment.
The command is then
find /the/folder -type f -exec overwrite '{}' sed 's/old/new/g' {} ';'
And the overwrite script (which I use all over the plac...
Windows batch: formatted date into variable
...d), Month (mm) and Year (yyyy). You can then use these later in your batch script as required.
SET todaysdate=%yyyy%%mm%%dd%
echo %dd%
echo %mm%
echo %yyyy%
echo %todaysdate%
While I understand an answer has been accepted for this question this alternative method may be appreciated by many lookin...
Display numbers with ordinal suffix in PHP
...th ordinal suffix
*
* @param int $number
*
* @param int $ss Turn super script on/off
*
* @return string
*
*/
function ordinalSuffix($number, $ss=0)
{
/*** check for 11, 12, 13 ***/
if ($number % 100 > 10 && $number %100 < 14)
{
$os = 'th';
}
/*** ch...
How do I tidy up an HTML file's indentation in VI?
... not working in compiled Vim 7.4, any ideas?" and "alternative html indent script" for more information.
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