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How to get domain URL and application name?
...he context path returned by ServletContext.getContextPath() should be considered as the prime or preferred context path of the application". That was the reason I included this one to my original answer, after realizing the thing. I didn't remove my first attempt, as I want the OP to consider readi...
Python Dictionary Comprehension
...ork quite the way you're trying. Like a list comprehension, they create a new dictionary; you can't use them to add keys to an existing dictionary. Also, you have to specify the keys and values, although of course you can specify a dummy value if you like.
>>> d = {n: n**2 for n in range...
Bootstrap Dropdown with Hover
...
51
This will conflict with the built in collapsable mobile menu, so you should wrap it in a break point @media (min-width:480px)
...
ASP.NET MVC controller actions that return JSON or partial html
...JSON to your page.
public ActionResult SomeActionMethod() {
return Json(new {foo="bar", baz="Blech"});
}
Then just call the action method using Ajax. You could use one of the helper methods from the ViewPage such as
<%= Ajax.ActionLink("SomeActionMethod", new AjaxOptions {OnSuccess="someme...
Hidden features of Eclipse [closed]
...
Ctrl-2 something
Seems that nobody mentioned Ctrl-2 L (assign to new local variable) and Ctrl-2 F (assign to a new field), these ones have changed how I write code.
Previously, I was typing, say (| is cursor location):
Display display = new |
and then I pushed Ctrl-Space to complete th...
Selenium wait until document is ready
...hwjp Care to elaborate more? The JavaDocs say otherwise: "If this causes a new page to load, this method will attempt to block until the page has loaded."
– Petr Janeček
Sep 3 '14 at 19:12
...
Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails
... to explain it. As cs_alumnus mentioned, there's a bigger problem: all the new values that should be referencing another value in the other table (as a Foreign key should do) may point to nothing, creating an inconsistent state. Cayetano's short and effective explanation allows you to find which val...
Is it possible to update a localized storyboard's strings?
...board and 3 string files for it. It was a month ago and after that I added new view controller to app, but this controller's buttons and labels not appear in string files
...
What is InputStream & Output Stream? Why and when do we use them?
...ources.
For example, you can write primitive data to a file:
File file = new File("C:/text.bin");
file.createNewFile();
DataOutputStream stream = new DataOutputStream(new FileOutputStream(file));
stream.writeBoolean(true);
stream.writeInt(1234);
stream.close();
To read the written contents:
Fil...
How to generate a range of numbers between two numbers?
...swered Oct 15 '15 at 11:06
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