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How do I write a “tab” in Python?
...)
f.write("hello\talex")
The \t inside the string is the escape sequence for the horizontal tabulation.
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What Are the Differences Between PSR-0 and PSR-4?
...using. The summary is that PSR-0 had some backwards compatibility features for PEAR-style classnames that PSR-4 dropped, as such it only supports namespaced code. On top of that PSR-4 does not force you to have the whole namespace as a directory structure, but only the part following the anchor poin...
Dispelling the UIImage imageNamed: FUD
...s bigger and loading them slightly more complex. With the built in support for iPad and retina images, you should certainly use ImageNamed in your code .
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In javascript, is an empty string always false as a boolean?
...w String("") is truthy! This is because it is an object, whereas the short form "" represents the primitive value version. The same goes for new Number(0) and even new Boolean(false). It's a good reason not to use the object versions in your code, and it does mean that if (str.length) handles this e...
Can I call an overloaded constructor from another constructor of the same class in C#?
... another constructor in C# is immediately after ":" after the constructor.
for example
class foo
{
public foo(){}
public foo(string s ) { }
public foo (string s1, string s2) : this(s1) {....}
}
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Visual Studio Post Build Event - Copy to Relative Directory Location
...er hierarchy.
ie. Use $(SolutionDir)\..\.. to get your base directory.
For list of all macros, see here:
http://msdn.microsoft.com/en-us/library/c02as0cs.aspx
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Argparse optional positional arguments?
...olan: Yes, + works, too. See docs.python.org/2/library/argparse.html#nargs for the details.
– Vinay Sajip
Jan 8 '13 at 23:53
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git still shows files as modified after adding to .gitignore
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@Mehrad no need for the * in .gitignore
– Steve Pitchers
Apr 24 '15 at 14:38
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GRANT EXECUTE to all stored procedures
...b_executor
/* GRANT EXECUTE TO THE ROLE */
GRANT EXECUTE TO db_executor
For just a user (not a role):
USE [DBName]
GO
GRANT EXECUTE TO [user]
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Scala: What is the difference between Traversable and Iterable traits in Scala collections?
...rs keep state, traversables don't.
A Traversable has one abstract method: foreach. When you call foreach, the collection will feed the passed function all the elements it keeps, one after the other.
On the other hand, an Iterable has as abstract method iterator, which returns an Iterator. You can ...