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Installing a local module using npm?
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From the npm-link documentation:
In the local module directory:
$ cd ./package-dir
$ npm link
In the directory of the project to use the module:
$ cd ./project-dir
$ npm link package-name
Or in one go using relative paths:
$ cd ./p...
Detect If Browser Tab Has Focus
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Yes, window.onfocus and window.onblur should work for your scenario:
http://www.thefutureoftheweb.com/blog/detect-browser-window-focus
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When do we need curly braces around shell variables?
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In this particular example, it makes no difference. However, the {} in ${} are useful if you want to expand the variable foo in the string
"${foo}bar"
since "$foobar" would instead expand the variable identified by foobar.
Curly braces are also unconditi...
Why is there a difference in checking null against a value in VB.NET and C#?
...r the VB.NET semantics, which in essence gives NULL the semantics "I don't know yet". Then the comparison of 5 to "I don't know yet". is naturally "I don't know yet"; ie NULL. This has the additional advantage of mirroring the behaviour of NULL in (most if not all) SQL databases. This is also a more...
How to get a Fragment to remove itself, i.e. its equivalent of finish()?
...ber of activities (A B C D) which chain onto one another, D has a button 'OK' which when pressed calls finish which then bubbles up through onActivityResult() to additionally destroy C and B.
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Formatting a float to 2 decimal places
...I have got the sale price to calculate perfectly but where I have come stuck is formatting the output to 2 decimal places.
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Your branch is ahead of 'origin/master' by 3 commits
...You have several ways to "solve" it and it normally depends on how your workflow looks like:
In a good workflow your remote copy of master should be the good one while your local copy of master is just a copy of the one in remote. Using this workflow you'll never get this message again.
If you wor...
Concat scripts in order with Gulp
Say, for example, you are building a project on Backbone or whatever and you need to load scripts in a certain order, e.g. underscore.js needs to be loaded before backbone.js .
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Window.open and pass parameters by post method
...o pass by post method.I've found solution, but unfortunately it doesn't work. This is my code:
10 Answers
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convert '1' to '0001' in JavaScript [duplicate]
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This is a clever little trick (that I think I've seen on SO before):
var str = "" + 1
var pad = "0000"
var ans = pad.substring(0, pad.length - str.length) + str
JavaScript is more forgiving than some languages if the second argument to substring is n...