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How to call any method asynchronously in c#
...rd to play with new stuff. It was added to .NET 4.5.
Example code snippet from the link (which is itself from this MSDN sample code project):
// Three things to note in the signature:
// - The method has an async modifier.
// - The return type is Task or Task<T>. (See "Return Types" sec...
Create thumbnail image
I want to display thumbnail image in a gridview from file location. How to generate that of .jpeg file?
I am using C# language with asp.net .
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How to write header row with csv.DictWriter?
...ple example of using the writeheader() method now available in 2.7 / 3.2:
from collections import OrderedDict
ordered_fieldnames = OrderedDict([('field1',None),('field2',None)])
with open(outfile,'wb') as fou:
dw = csv.DictWriter(fou, delimiter='\t', fieldnames=ordered_fieldnames)
dw.writeh...
What's the best way to check if a String represents an integer in Java?
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I would use this method or the original method from the question before regex. This for performance, the original method for speed of implementation and sheer maintainability. The regex solution has nothing going for it.
– Bill the Lizard
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What exactly is Arel in Rails 3.0?
... but one that doesn't make sense, or that does something totally different from what you think it does. This can never happen with ARel. (This is what the article I link to below means with "closed under composition".)
will objects/queries be "easier" to create?
Yes. For example, as I mentioned ab...
How do PHP sessions work? (not “how are they used?”)
... about Passing the Session ID, which explains how the session id is passed from page to page, using a cookie, or in URLs -- and which configuration options affect this.
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What's the difference between detaching a Fragment and removing it?
... over there don't seem to provide much insight about when to use each, and from what I can tell they appear to be the same.
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What is the curiously recurring template pattern (CRTP)?
... template assumes that its specialization for any type X will be inherited from singleton<X> and thus will have all its (public, protected) members accessible, including the GetInstance! There are other useful uses of CRTP. For example, if you want to count all instances that currently exist f...
Git status - is there a way to show changes only in a specific directory?
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From within the directory:
git status .
You can use any path really, use this syntax:
git status <directoryPath>
For instance for directory with path "my/cool/path/here"
git status my/cool/path/here
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Using std Namespace
... a more obscure 'can't convert argument X' or 'unable to generate function from template' style error. Worse is if a wrong function gets called silently. It's rare, but happens.
– CB Bailey
Aug 12 '09 at 21:47
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