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How to remove all the null elements inside a generic list in one go?
... there a default method defined in .Net for C# to remove all the elements within a list which are null ?
7 Answers
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How to check for a JSON response using RSpec?
...
You can examine the response object and verify that it contains the expected value:
@expected = {
:flashcard => @flashcard,
:lesson => @lesson,
:success => true
}.to_json
get :action # replace with action name / params as necessary
re...
Can a C# lambda expression have more than one statement?
...
Sure:
List<String> items = new List<string>();
var results = items.Where(i =>
{
bool result;
if (i == "THIS")
result = true;
else if (i == "THAT")
...
Can I change the color of Font Awesome's icon color?
I have to wrap my icon within an <a> tag for some reason.
Is there any possible way to change the color of a font-awesome icon to black?
or is it impossible as long as it wrapped within an <a> tag? Font awesome is supposed to be font not image, right?
...
How to convert Set to Array?
Set seems like a nice way to create Arrays with guaranteed unique elements, but it does not expose any good way to get properties, except for generator [Set].values, which is called in an awkward way of mySet.values.next() .
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Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...met the same problem when I tried to run a wordpress on my micro instance without RDS.
Adding a Swap page solved the problem for me.
You can follow steps below to setup the swap space.
If it still doesn't work for you, consider using the RDS service.
===============================================
I...
Set up DNS based URL forwarding in Amazon Route53 [closed]
... how-to guide for my blog detailing what I did.
Here is what I came up with.
Objective
Using only the tools available in Amazon S3 and Amazon Route 53, create a URL Redirect that automatically forwards http://url-redirect-example.vivekmchawla.com to the AWS Console sign-in page aliased to "...
How do I programmatically determine operating system in Java?
...er I am on a Windows or Unix platform). What is the safest way to do this with 100% reliability?
19 Answers
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Unicode character in PHP string
...ert_encoding()
echo mb_convert_encoding('&#x1000;', 'UTF-8', 'HTML-ENTITIES');
or make use of the direct mapping between UTF-16BE (big endian) and the Unicode codepoint:
echo mb_convert_encoding("\x10\x00", 'UTF-8', 'UTF-16BE');
...
Can I load a .NET assembly at runtime and instantiate a type knowing only the name?
Is it possible to instantiate an object at runtime if I only have the DLL name and the class name, without adding a reference to the assembly in the project? The class implements a interface, so once I instantiate the class, I will then cast it to the interface.
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