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How to set environment variables from within package.json
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Just use NPM package cross-env. Super easy. Works on Windows, Linux, and all environments. Notice that you don't use && to move to the next task. You just set the env and then start the next task. Credit to @mikekidder for the suggestion in one of the comments here.
From documentation:
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nodeJs callbacks simple example
can any one give me a a simple example of nodeJs callbacks, I have already searched for the same on many websites but not able to understand it properly, Please give me a simple example.
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Dynamically Changing log4j log level
What are the different approaches for changing the log4j log level dynamically, so that I will not have to redeploy the application. Will the changes be permanent in those cases?
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What is the equivalent of the C# 'var' keyword in Java?
...to give a proper type to myData. 6 years ago, this was impossible in Java (all Types had names, even if they were extremely verbose and unweildy). I do not know if this has changed in the mean time.
var is not the same as dynamic. variables are still 100% statically typed. This will not compile:
va...
What's the best manner of implementing a social activity stream? [closed]
...a social activity stream (Facebook is the most famous example). Problems/challenges involved are:
13 Answers
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Error Code: 1005. Can't create table '…' (errno: 150)
...rror Code: 1005 -- there is a wrong primary key reference in your code
Usually it's due to a referenced foreign key field that does not exist. It might be you have a typo mistake, or check case it should be same, or there's a field-type mismatch. Foreign key-linked fields must match definitions exa...
What is the best alternative IDE to Visual Studio [closed]
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Agree, have used them all, but nothing close to SharpDevelop including the Xamarin Studio. It even lets me reference COM objects.
– nawfal
May 25 '15 at 19:05
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How do I split a string so I can access item x?
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This works but allocates a lot of memory and wastes CPU.
– jjxtra
May 26 '15 at 16:56
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Is the SQL WHERE clause short-circuit evaluated?
...the Formats or by
parentheses, effective evaluation of expressions is generally
performed from left to right. However, it is
implementation-dependent whether expressions are actually evaluated left to right, particularly when operands or operators might
cause conditions to be raised or if the result...
What's the difference between a temp table and table variable in SQL Server?
...e of them, as spelt out in the MSDN link below.
As a rule of thumb, for small to medium volumes of data and simple usage scenarios you should use table variables. (This is an overly broad guideline with of course lots of exceptions - see below and following articles.)
Some points to consider when ...