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defaultdict of defaultdict?
...et as the new value of this key, which means in our case the value of d[Key_doesnt_exist] will be defaultdict(int).
If you try to access a key from this last defaultdict i.e. d[Key_doesnt_exist][Key_doesnt_exist] it will return 0, which is the return value of the argument of the last defaultdict i....
Check whether an input string contains a number in javascript
... case alphabet, and \d could mean any digit.
From below example
contains_alphaNumeric « It checks for string contains either letter or number (or) both letter and number. The hyphen (-) is ignored.
onlyMixOfAlphaNumeric « It checks for string contain both letters and numbers only of any sequenc...
List vs List
...ter. I.e., suppose you process XML and you want to store AttrNode, Element etc in a map, you can do something like:
List<? extends Map<String, ? extends Node>> listOfMapsOfNodes = new...;
// Now you can do:
listOfMapsOfNodes.add(new TreeMap<Sting, Element>());
listOfMapsOfNodes.a...
In Rails, how do you render JSON using a view?
...
You should be able to do something like this in your respond_to block:
respond_to do |format|
format.json
render :partial => "users/show.json"
end
which will render the template in app/views/users/_show.json.erb.
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OwinStartup not firing
...t there is no weapon against such bad decisions.
– ps_ttf
Jul 15 '16 at 9:50
23
Amazing. Every ti...
Link to reload current page
...
<a href="<?php echo $_SERVER["REQUEST_URI"]; ?>">Click me</a>
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Spring Boot - parent pom when you already have a parent pom
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I am guessing this does pull in the plugins - shade etc?
– chrislovecnm
Jan 7 '15 at 22:58
4
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What's the difference between Sender, From and Return-Path?
...r SMTP when a message is submitted, the SMTP envelope (sender, recipients, etc.) is different from the actual data of the message.
The Sender header is used to identify in the message who submitted it. This is usually the same as the From header, which is who the message is from. However, it ca...
How to execute an .SQL script file using c#
...c partial class ExcuteScript : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string sqlConnectionString = @"Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=ccwebgrity;Data Source=SURAJIT\SQLEXPRESS";
string script = File.Rea...
Add line break to 'git commit -m' from the command line
... rsy$ bash --version GNU bash, version 3.2.53(1)-release (x86_64-apple-darwin13) Copyright (C) 2007 Free Software Foundation, Inc. The output of that command is, as expected, shown in two different lines!
– ccoutinho
Jun 2 '15 at 21:49
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