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Trim string in JavaScript?
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For those browsers who does not support trim(), you can use this polyfill from MDN:
if (!String.prototype.trim) {
(function() {
// Make sure we trim BOM and NBSP
var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
String.prototype.trim = function() {
return th...
How to recover stashed uncommitted changes
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git stash pop - Restore back to the saved state, but it deletes the stash from the temporary storage.
git stash apply - Restore back to the saved state and leaves the stash list for possible later reuse.
You can read in more detail about git stashes in this article.
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Testing if a checkbox is checked with jQuery
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$('input:checkbox:checked').val(); // get the value from a checked checkbox
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Best content type to serve JSONP?
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It fails in IE 9 with message "SEC7112: Script from xyz.com was blocked due to mime type mismatch " Any idea why ?
– Pit Digger
Sep 12 '11 at 20:05
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Does Ruby regular expression have a not match operator like “!~” in Perl?
...ks just fine – you probably thought it wouldn’t because it’s missing from the documentation page of Regexp. Nevertheless, it works:
irb(main):001:0> 'x' !~ /x/
=> false
irb(main):002:0> 'x' !~ /y/
=> true
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MongoDB logging all queries
...ng. The logging happens in system.profile collection. The logs can be seen from:
db.system.profile.find()
There are 3 logging levels (source):
Level 0 - the profiler is off, does not collect any data. mongod always writes operations longer than the slowOpThresholdMs threshold to its log. This ...
Remove json element
I want to remove JSON element or one whole row from JSON.
10 Answers
10
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VIM Disable Automatic Newline At End Of File
...now, the script itself:
#!/usr/bin/python
# a filter that strips newline from last line of its stdin
# if the last line is empty, leave it as-is, to make the operation idempotent
# inspired by: https://stackoverflow.com/questions/1654021/how-can-i-delete-a-newline-if-it-is-the-last-character-in-a-...
How is Docker different from a virtual machine?
...sources, a full VM is the way to go. If you just want to isolate processes from each other and want to run a ton of them on a reasonably sized host, then Docker/LXC/runC seems to be the way to go.
For more information, check out this set of blog posts which do a good job of explaining how LXC works...
How to format a string as a telephone number in C#
... to validate that the initial string is at least 10 characters in length.
From a good page full of examples:
String.Format("{0:(###) ###-####}", 8005551212);
This will output "(800) 555-1212".
Although a regex may work even better, keep in mind the old programming quote:
Some people, wh...