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What is the purpose of a plus symbol before a variable?
...icating the if on whether or not d is a non-zero number.
Reference here. And, as pointed out in comments, here.
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Convert unix time to readable date in pandas dataframe
I have a dataframe with unix times and prices in it. I want to convert the index column so that it shows in human readable dates.
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Loadbalancing web sockets
...ion is deterministic (using hashed source-IP-port), it will work with TCP (and hence WebSocket).
Also note that a 64k hard limit only applies to outgoing TCP/IP for a given (source) IP address. It does not apply to incoming TCP/IP. We have tested Autobahn (a high-performance WebSocket server) with ...
jQuery’s .bind() vs. .on()
...d from future versions at any time. There is no reason to keep using .bind and every reason to prefer .on instead.
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Django removing object from ManyToMany relationship
...jango's Relations Docs
Note: you might have to get an instance of my_mood and my_interest using Django's QuerySet API before you can execute this code.
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jQuery find parent form
...l inputs, this is much faster than .closest() (5-10 times faster in Chrome and IE8). Works on IE6 & 7 too.
var input = $('input[type=submit]');
var form = input.length > 0 ? $(input[0].form) : $();
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How can I make Vim's `J` and `gq` commands use one space after a period?
When I use Vim's J command, most lines are joined with a single space for padding. But after a period Vim always uses two spaces. Take the following example:
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How to duplicate a git repository? (without forking)
I have two repositories, and I need to copy whole of one onto the other empty one which has different access levels from the first one. The copy and the mother repository should not be linked together.
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XML Serialization - Disable rendering root element of array
...ibute [XmlArrayItem] with [XmlElement] in your code.
For removing the xsi and xsd namespaces, create an XmlSerializerNamespaces instance with an empty namespace and pass it when you need to serialize your object.
Take a look on this example:
[XmlRoot("SHOPITEM")]
public class ShopItem
{
[XmlE...
Authorize Attribute with Multiple Roles
...n let my Role be an enum rather than a string. What would a good namespace and location in the project hierarchy be for placing this custom authorize attribute?
– Simon Shine
Oct 5 '15 at 9:46
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