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What does ':' (colon) do in JavaScript?
...rse in server-side languages and Javascript can easily de-serialize a JSON string into an object.
// The parenthesis '(' & ')' around the object are important here
var o = eval('(' + "{key: \"value\"}" + ')');
You can also put the key inside quotes if it contains some sort of special charact...
Can git automatically switch between spaces and tabs?
...
If you are on windows then you have a few extra steps to get @Olivier Verdier's solution to work.
Download CoreUtils for windows
After installing put the install location in your PATH (How to add a path variable)
I renamed expand.exe to gexpand.exe as there is alre...
How to refer environment variable in POM.xml?
...bles in the shared-pom. The goal was to have environment variables replace strings in my project files using the com.google.code.maven-replacer-plugin.
Using ${env.foo} or ${env.FOO} didn't work for me. Maven just wasn't finding the variable. What worked was passing the variable in as a command-lin...
bower command not found windows
...AppData\Roaming\npm" simply won't fit into that.
Check your PATH, remove extra stuff and try to reinstall node.js and bower etc. Also there is a way to increase 1024-length limit
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Why is __init__() always called after __new__()?
... new instance.
__new__ is the first step of instance creation. It's called first, and is
responsible for returning a new
instance of your class.
In contrast,
__init__ doesn't return anything; it's only responsible for initializing the
instance after it's been created.
In ge...
Syntax of for-loop in SQL Server
...
Extra Info
Just to add as no-one has posted an answer that includes how to actually iterate though a dataset inside a loop, you can use the keywords OFFSET FETCH.
Usage
DECLARE @i INT = 0;
SELECT @count= Count(*) FROM {TA...
How to implement a binary tree?
...ice implementation. I'm just here to point out some style stuff. python usually does node is not None instead of your (node!=None). Also, you can use the __str__ function instead of the printTree method.
– Jeff Mandell
Oct 18 '15 at 2:30
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How do I cancel a build that is in progress in Visual Studio?
...se/Break key, you can go to Tools -> Options -> Keyboard then set an extra mapping for the Build.Cancel command.
– Sean Colombo
Jul 31 '15 at 18:32
2
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Check if SQL Connection is Open or Closed
...xactly - use the SqlConnectionState enum as an enum and not turn it into a string.....
– marc_s
Aug 4 '11 at 15:19
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How do I implement interfaces in python?
...interface, a module that is a part of the Zope Component Architecture, a really awesomely cool component framework. Here you don't subclass from the interfaces, but instead mark classes (or even instances) as implementing an interface. This can also be used to look up components from a component reg...