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How to convert hashmap to JSON object in Java
...ll only work for a Map<String, String>!
Other functions you can get from its documentation
http://stleary.github.io/JSON-java/index.html
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delegate keyword vs. lambda notation
...Linq.Queryable. Check out the parameters on those methods.
An Explanation from ScottGu. In a nutshell, Linq in-memory will produce some anonymous methods to resolve your query. Linq to SQL will produce an expression tree that represents the query and then translate that tree into T-SQL. Linq to ...
Tetris-ing an array
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Load them into a trie data structure. Starting from the parent node, see which is having a children count great than one. Once you find that magic node, just dismantle the parent node structure and have the current node as root.
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With ng-bind-html-unsafe removed, how do I inject HTML?
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You need to make sure that sanitize.js is loaded. For example, load it from https://ajax.googleapis.com/ajax/libs/angularjs/[LAST_VERSION]/angular-sanitize.min.js
you need to include ngSanitize module on your app
eg: var app = angular.module('myApp', ['ngSanitize']);
you just need to bind with n...
List comprehension on a nested list?
...s I would like to keep elements per list to be 10 and vary number of lists from 10-100,000
>>> python -m timeit "[list(map(float,k)) for k in [list(range(0,10))]*10]"
>>> 100000 loops, best of 3: 15.2 usec per loop
>>> python -m timeit "[[float(y) for y in x] for x in ...
Merging dictionaries in C#
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To actually merge the values instead of just taking them from the first dictionary you can replace group => group.First() with group => group.SelectMany(value => value) in Jon Skeet's edited answer.
– andreialecu
Apr 13 '11 at 15:53
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How to get a JavaScript object's class?
...out a prototype, via Object.create( null ), or the object was instantiated from an anonymously-defined (unnamed) function.
Also note that if you are minifying your code, it's not safe to compare against hard-coded type strings. For example instead of checking if obj.constructor.name == "MyType", in...
C# Test if user has write access to a folder
...cessRules(true, true, typeof(NTAccount));
//Go through the rules returned from the DirectorySecurity
foreach (AuthorizationRule rule in rules)
{
//If we find one that matches the identity we are looking for
if (rule.IdentityReference.Value.Equals(NtAccountName,StringComparison.CurrentCultur...
What is the (function() { } )() construct in JavaScript?
...execution. Although the actual implementation (and naming :)) ) may differ from browser to browser, we can determine these phases in our code by watching out for parsing errors, hoisting and run time errors. I personally haven't found many resources on this because it's too low level and it's not so...
How do I convert Word files to PDF programmatically? [closed]
...am((byte[])(bits)))
{
var image = System.Drawing.Image.FromStream(ms);
var pngTarget = Path.ChangeExtension(target, "png");
image.Save(pngTarget, System.Drawing.Imaging.ImageFormat.Png);
}
}
catch (System.Exception ex)
{
Message...