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Batch files - number of command line arguments
Just converting some shell scripts into batch files and there is one thing I can't seem to find...and that is a simple count of the number of command line arguments.
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Disable ActiveRecord for Rails 4
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For existing applications:
1. Remove database adapter gems from your Gemfile (mysql2, sqlite3, etc.)
2. Change your config/application.rb
Remove require 'rails/all line and require frameworks (among those available in your rails version, the list varies, do not just copy) you want to use, for e...
Can we instantiate an abstract class?
... compile both your classes. Suppose you put those classes in two different files:
My.java:
abstract class My {
public void myMethod() {
System.out.print("Abstract");
}
}
Poly.java:
class Poly extends My {
public static void main(String a[]) {
My m = new My() {};
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How to enable cross-origin resource sharing (CORS) in the express.js framework on node.js
....js that will support cross-domain scripting, while still providing static files from a public directory. I'm using the express.js and am not really sure how to allow cross-domain scripting ( Access-Control-Allow-Origin: * ).
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Fatal error: Maximum execution time of 300 seconds exceeded
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add it at the very top of your php file
– Tules
Oct 6 '11 at 21:24
2
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Why is try {…} finally {…} good; try {…} catch{} bad?
...sed along for someone else to handle. If I have an application that gets a file name from users then reads the file, and my file reader gets an exception opening the file, it should pass them up (or consume the exception and throw a new one) so that the application can say, hey - file didn't open, l...
Is there a way to 'uniq' by column?
I have a .csv file like this:
8 Answers
8
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Find all storage devices attached to a Linux machine [closed]
...devices and partitions that the system recognizes. You can then try using file -s <device> to determine what kind of filesystem is present on the partition, if any.
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SQL Server: Database stuck in “Restoring” state
...zard in SQL Server Management Studio. This way you can select the specific file locations, the overwrite option, and the WITH Recovery option.
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How to remove .html from URL?
... Jon's answer would be constructive. The following:
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
checks that if the specified file or directory respectively doesn't exist, then the rewrite rule proceeds:
RewriteRule ^(.*)\.html$ /$1 [L,R=301]
But what does that mean?...