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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
In my Rails (3.2) app, I have a bunch of tables in my database but I forgot to add a few not null constraints. I've googled around but I can't find how to write a migration which adds not null to an existing column.
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How to find out where a function is defined?
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234
You could also do this in PHP itself:
$reflFunc = new ReflectionFunction('function_name');
pr...
How to clean project cache in Intellij idea like Eclipse's clean?
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237
Depending on the version you are running. It is basically the same just go to
File -> Inva...
Generate random number between two numbers in JavaScript
...way to generate a random number in a specified range (e.g. from 1 to 6: 1, 2, 3, 4, 5, or 6) in JavaScript?
23 Answers
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AngularJS access parent scope from child controller
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622
If your HTML is like below you could do something like this:
<div ng-controller="ParentCtrl...
POST request send json data java HttpUrlConnection
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edited May 25 '18 at 23:34
rogerdpack
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How to backup a local Git repository?
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I started hacking away a bit on Yar's script and the result is on github, including man pages a...
Notepad++ add to every line
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edited Feb 19 '18 at 8:29
shA.t
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answered Jun ...
How to execute Python scripts in Windows?
I have a simple script blah.py (using Python 2):
10 Answers
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