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How to “pretty” format JSON output in Ruby on Rails
I would like my JSON output in Ruby on Rails to be "pretty" or nicely formatted.
18 Answers
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What was the strangest coding standard rule that you were forced to follow? [closed]
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I hate it when the use of multiple returns is banned.
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answered Oct 20 '08 at 11:43
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How to get distinct values from an array of objects in JavaScript?
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If this were PHP I'd build an array with the keys and take array_keys at the end, but JS has no such luxury. Instead, try this:
var flags = [], output = [], l = array.length, i;
for( i=0; i<l; i++) {
if( flags[array[i].age]) continue;
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
What the title says: what does it mean to encapsulate a variable in {} , "" , or "{} "? I haven't been able to find any explanations online about this - I haven't been able to refer to them except for using the symbols, which doesn't yield anything.
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cocoapods - 'pod install' takes forever
I was trying to update the existing pods with pod install command, but it takes forever to run.
19 Answers
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Unpack a list in Python?
I think 'unpack' might be the wrong vocabulary here - apologies because I'm sure this is a duplicate question.
3 Answers
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Python circular importing?
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I think the answer by jpmc26, while by no means wrong, comes down too heavily on circular imports. They can work just fine, if you set them up correctly.
The easiest way to do so is to use import my_module syntax, rather than from my_module im...
When to add what indexes in a table in Rails
I have a question about Rails database.
3 Answers
3
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Node.js create folder or use existing
...m install mkdirp
Use it to run function that requires the directory. Callback is called after path is created or if path did already exists. Error err is set if mkdirp failed to create directory path.
var mkdirp = require('mkdirp');
mkdirp('/tmp/some/path/foo', function(err) {
// path exist...
Iterate two Lists or Arrays with one ForEach statement in C#
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This is known as a Zip operation and will be supported in .NET 4.
With that, you would be able to write something like:
var numbers = new [] { 1, 2, 3, 4 };
var words = new [] { "one", "two", "three", "four" };
var numbersAndWords = numbers.Zip(words, (n, w) =>...