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How to sleep for five seconds in a batch file/cmd [duplicate]
...ly valid public IP address. Theoretically, it may be reached. It's offline now because I suspect their owners gave up hope to use it for anything but pings from all over the world :) For more details on this IP see serverfault.com/a/339782. It's saver to either use 127.0.0.1 as suggested by Cybergi...
Action Image MVC3 Razor
...Link("Update", "Update", *Your object value*, new { @class = "imgLink"})
Now, add this class on a CSS file or in your page:
.imgLink
{
background: url(YourImage.png) no-repeat;
}
With that class, any link will have your desired image.
...
Rails: How can I set default values in ActiveRecord?
...||= build_address #let's you set a default association
end
end
Now you have just one place to look for initialization of your models. I'm using this method until someone comes up with a better one.
Caveats:
For boolean fields do:
self.bool_field = true if self.bool_field.nil?
See Pa...
Django - iterate number in for loop of a template
...
[Django HTML template doesn't support index as of now], but you can achieve the goal:
If you use Dictionary inside Dictionary in views.py then iteration is possible using key as index. example:
{% for key, value in DictionartResult.items %} <!-- dictionartResult is a di...
How to Deserialize XML document
...Deserialize<T>(@this.Trim());
}
}
}
All you have to do now, is:
public class JSONRoot
{
public catalog catalog { get; set; }
}
// ...
string xml = File.ReadAllText(@"D:\file.xml");
var catalog1 = xml.ParseXML<catalog>();
string json = ...
An “and” operator for an “if” statement in Bash
...I think there might be more than one ways but I am satisfied with this for now.
– Kushal Ashok
Aug 26 '16 at 12:32
add a comment
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Where could I buy a valid SSL certificate? [closed]
...e by the Internet Security Research Group (ISRG). It is sponsored by well-known organisations such as Mozilla, Cisco or Google Chrome. All modern browsers are compatible and trust Let's Encrypt.
All certificates are free (even wildcard certificates)! For security reasons, the certificates expire pr...
Most efficient way to increment a Map value in Java
...
Now there is a shorter way with Java 8 using Map::merge.
myMap.merge(key, 1, Integer::sum)
What it does:
if key do not exists, put 1 as value
otherwise sum 1 to the value linked to key
More information here.
...
BroadcastReceiver with multiple filters or multiple BroadcastReceivers?
...ms.INTENT_REFRESH);
filterRefreshUpdate.addAction(Params.INTENT_UPDATE);
now you may switch between intent filters by registering and un-registering the desired one but your receiver's implementation would be same
share
...
How to add custom validation to an AngularJS form?
...on
Custom Validation Directives
Edit: using ngMessages in 1.3.X
You can now use the ngMessages module instead of ngShow to show your error messages. It will actually work with anything, it doesn't have to be an error message, but here's the basics:
Include <script src="angular-messages.js"&g...