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How to get child element by class name?
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var doc = document.getElementById("test");
var notes = null;
for (var i = 0; i < doc.childNodes.length; i++) {
if (doc.childNodes[i].className == "4") {
notes = doc.childNodes[i];
break;
}
}
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How to center an iframe horizontally?
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Add display:block; to your iframe css.
div, iframe {
width: 100px;
height: 50px;
margin: 0 auto;
background-color: #777;
}
iframe {
display: block;
border-style:none;
}
<div>div</div>
<iframe src="data:,iframe"></iframe>
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Batch file include external file for variables
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered May 4 '10 at 8:47
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Is it a bad practice to use negative margins in Android?
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In 2010, @RomainGuy (core Android engineer) stated that negative margins had unspecified behavior.
In 2011, @RomainGuy stated that you can use negative margins on LinearLayout and RelativeLayout.
In 2016, @RomainGuy stated that...
In vim, how do I get a file to open at the same line number I closed it at last time?
... reopening a file
if has("autocmd")
au BufReadPost * if line("'\"") > 0 && line("'\"") <= line("$")
\| exe "normal! g'\"" | endif
endif
If this doesn't work, a common problem is not having ownership of your ~/.viminfo file. If this is the case, then run:
sudo chown user:group ...
iOS 7 - Status bar overlaps the view
...cifically made to resolve this issue. In the storyboard, I moved my views 20 pixels down to look right on iOS 7 and in order to make it iOS 6 compatible, I changed Delta y to -20.
Since my storyboard is not using auto-layout, in order to resize the height of views properly on iOS 6 I had to se...
How to apply bindValue method in LIMIT clause?
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Mysql order by specific ID values
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203
You can use ORDER BY and FIELD function.
See http://lists.mysql.com/mysql/209784
SELECT * FROM...
Test whether a glob has any matches in bash
...it'll get pre-expanded into matches.
Exit status is:
1 for no-match,
0 for 'one or more matches'
stdout is a list of files matching the glob.
I think this is the best option in terms of conciseness and minimizing potential side effects.
UPDATE: Example usage requested.
if compgen -G "/tmp/...
Get IP address of visitors using Flask for Python
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