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Git: How to remove file from index without deleting files from any repository
...tment required for your configuration file would be just another step that one must perform while recovering from the rewrite:
Save a copy of the configuration file.
Recover from the rewrite.
Restore the configuration file.
Ignore It to Prevent Recurrence
Whatever method you use, you will pro...
Merge 2 arrays of objects
...
If you want to merge 2 arrays of objects in JavaScript. You can use this one line trick
Array.prototype.push.apply(arr1,arr2);
For Example
var arr1 = [{name: "lang", value: "English"},{name: "age", value: "18"}];
var arr2 = [{name : "childs", value: '5'}, {name: "lang", value: "German"}];
Ar...
When to add what indexes in a table in Rails
...d "index" to the automatically created "id" column?
No, this is already done by rails
Should I add "index(unique)" to the automatically created "id" column?
No, same as above
If I add index to two foreign keys at once (add_index (:users, [:category_id, :state_id]), what happens? How is t...
Setting direction for UISwipeGestureRecognizer
I want to add simple swipe gesture recognition to my view based iPhone project. Gestures in all directions (right, down, left, up) should be recognized.
...
SQL Client for Mac OS X that works with MS SQL Server [closed]
... with mssql extension
Azure Data Studio
SQLectron
(TODO: Add others mentioned below)
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Generate a Hash from string in Javascript
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This is the same one used in Java. The hash << 5 - hash is the same as hash * 31 + char but a LOT faster. It's nice because it's so fast, and 31 is a small prime. Win win there.
– corsiKa
Sep 30 '1...
offsetting an html anchor to adjust for fixed header [duplicate]
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I have a list menu with all the links:
<ul>
<li><a href="#one">one</a></li>
<li><a href="#two">two</a></li>
<li><a href="#three">three</a></li>
<li><a href="#four">four</a></li>
</ul>
And ...
Laravel - Eloquent or Fluent random row
...the number of records
User::inRandomOrder()->limit(5)->get();
// get one random record
User::inRandomOrder()->first();
or using the random method for collections:
User::all()->random();
User::all()->random(10); // The amount of items you wish to receive
Laravel 4.2.7 - 5.1:
User::or...
Many-to-many relationship with the same model in rails?
...d association, we are telling Rails that we can reach the other posts, the ones connected to this one, through our first association post_connections, followed by the post_b association of PostConnection.
There's just one more thing missing, and that is that we need to tell Rails that a PostConnect...
Bubble Sort Homework
..."index".
for i in range(0, length):
The range command can also take just one argument (named stop). In that case, you get a list of all the integers from 0 to that argument.
for i in range(length):
The Python Style Guide recommends that variables be named in lowercase with underscores. This is a...