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Restricting input to textbox: allowing only numbers and decimal point
.... Also some of the solutions restrict the usage of non-character keys like ctrl+c, Pos1 etc.
I suggest rather than checking every key press you check whether the result is valid in respect to your expectations.
var validNumber = new RegExp(/^\d*\.?\d*$/);
var lastValid = document.getElementBy...
How can I change the thickness of my tag
...order to be visible instead. I have noticed that when you zoom in and out (ctrl + mouse wheel) the thickness of HR itself changes, while when you set the border it always stays the same:
hr {
height: 0px;
border: none;
border-top: 1px solid black;
}
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How to check if smtp is working from commandline (Linux) [closed]
...@piwik-dev tmp]# mail -v root@localhost
Subject: Test
Hello world
Cc: <Ctrl+D>
root@localhost... Connecting to [127.0.0.1] via relay...
220 piwik-dev.example.com ESMTP Sendmail 8.13.8/8.13.8; Thu, 23 Aug 2012 10:49:40 -0400
>>> EHLO piwik-dev.example.com
250-piwik-dev.example.com He...
How to embed a text file in a .NET assembly?
...use the Resources class in a class, you need to add a using directive (hit Ctrl+. after typing Resources to get the menu to get VS to do it for you).
If something was unclear about the above description, please leave a comment and I'll edit it until it is complete or makes sense :)
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Can you make valid Makefiles without tab characters?
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In vim's insert mode, one can use Ctrl-v <TAB> to insert a literal tab, even if you have set the tab key to insert spaces. This doesn't answer your question, of course, but might be an alternative to the methods available to avoid needing literal tabs.
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Automatically open Chrome developer tools when new tab/new window is opened
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F12 is easier than Ctrl+Shift+I
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How do I enable the column selection mode in Eclipse?
... selection modes and see the font change.
Finally, the "search commands" (Ctrl3 or Command3) pop-up will find it for you if you type block. This is useful if you use the feature just frequently enough to forget the hotkey.
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How to list the size of each file and directory and sort by descending size in Bash?
... ] vmlinuz
Delete the currently highlighted element with d, exit with CTRL + c
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Vim clear last search highlighting
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Add this to your .vimrc to get Ctrl+/ to clear the last search: noremap <silent> <c-_> :let @/ = ""<CR>
– angrydust
Sep 15 '14 at 21:46
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Java equivalent to #region in C#
...t Brains IDEA has this feature. You can use hotkey surround with for that (ctrl + alt + T). It's just IDEA feature.
Regions there look like this:
//region Description
Some code
//endregion
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