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Query for documents where array size is greater than 1
...r: [{name: {$exists: false}}, {name: {$size: 0}}, {name: {$size: 1}}]})
{ "_id" : ObjectId("511907e3fb13145a3d2e225b"), "name" : [ "George", "Raymond" ] }
{ "_id" : ObjectId("511907e3fb13145a3d2e225c"), "name" : [ "George", "Raymond", "Richard" ] }
{ "_id" : ObjectId("511907e3fb13145a3d2e225d"), "na...
How do I make my GUI behave well when Windows font scaling is greater than 100%
...dimension values used in the source code are assumed to be relative to the baseline of 8pt Tahoma at 96dpi.
If you use any images or glyphs in your UI then these need to scale too. A common example would be the glyphs that are used on toolbars and menus. You'll want to provide these glyphs as icon ...
Difference between two dates in Python
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to hide output of subprocess in Python 2.7
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Why does calling a function in the Node.js REPL with )( work?
..., World!"); }
hi)(
Error:
SyntaxError: Unexpected token )
at Module._compile (module.js:439:25)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Function.Module.runMain (module.js:497:10)
a...
PHP Redirect with POST data
...ple snippet on how you can achieve that:
<form id="myForm" action="Page_C.php" method="post">
<?php
foreach ($_POST as $a => $b) {
echo '<input type="hidden" name="'.htmlentities($a).'" value="'.htmlentities($b).'">';
}
?>
</form>
<script type="text/jav...
How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
... declared in your code using the u prefix to strings. E.g.
>>> my_u = u'my ünicôdé strįng'
>>> type(my_u)
<type 'unicode'>
Unicode strings may also come from file, databases and network modules. When this happens, you don't need to worry about the encoding.
Gotchas
C...
Initializing a struct to 0
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how to make a whole row in a table clickable as a link?
...t;td>£800,000</td>
</tr>
</tbody>
and your code base doesn't change. The same handler would take care of all the rows.
Another option
You can use Bootstrap jQuery callbacks like this (in a document.ready callback):
$("#container").on('click-row.bs.table', function (e, row,...
How do I find out which keystore was used to sign an app?
...
First, unzip the APK and extract the file /META-INF/ANDROID_.RSA (this file may also be CERT.RSA, but there should only be one .RSA file).
Then issue this command:
keytool -printcert -file ANDROID_.RSA
You will get certificate fingerprints like this:
MD5: B3:4F:BE:07:AA:7...