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Why should I use Google's CDN for jQuery?
...eases the parallelism available. (Most browsers will only download 3 or 4 files at a time from any given site.)
It increases the chance that there will be a cache-hit. (As more sites follow this practice, more users already have the file ready.)
It ensures that the payload will be as small as poss...
Rails extending ActiveRecord::Base
...
Read the ActiveSupport::Concern documentation for more details.
Create a file called active_record_extension.rb in the lib directory.
require 'active_support/concern'
module ActiveRecordExtension
extend ActiveSupport::Concern
# add your instance methods here
def foo
"foo"
end
#...
Node.js - getting current filename
How to get current file name, function name and line number?
8 Answers
8
...
Hidden Features of MySQL
...ase its size.
Note:
The 2 previous parameters may require a lot of open files. 20+max_connections+table_cache*2 is a good estimate for what you need. MySQL on Linux has an open_file_limit option, set this limit.
If you have complex queries sort_buffer_size and tmp_table_size are likely to be ver...
System.IO.Packaging
...Assemblies in the left-hand pane, then click the Browse button next to the File name field near the botton of the pane.
Browse to .NET 4.0 reference assemblies and select WindowsBase.dll. For example, on my machine (Windows 7, 64-bit) the complete path is:
C:\Program Files (x86)\Reference
As...
How to get body of a POST in php?
...y body of a POST or PUT request (or any other HTTP method):
$entityBody = file_get_contents('php://input');
Also, the STDIN constant is an already-open stream to php://input, so you can alternatively do:
$entityBody = stream_get_contents(STDIN);
From the PHP manual entry on I/O streamsdocs:
...
simple explanation PHP OOP vs Procedural?
...y as "chunks" of functionality, that just happen to be saved to individual files.
There are different ways of organizing those "chunks"; depending on things like conventions of the programming language, the background and training of the developer(s), or just plain old personal preference.
OOP and P...
How to return images in flask response? [duplicate]
...
You use something like
from flask import send_file
@app.route('/get_image')
def get_image():
if request.args.get('type') == '1':
filename = 'ok.gif'
else:
filename = 'error.gif'
return send_file(filename, mimetype='image/gif')
to send back ok...
SSH Port forwarding in a ~/.ssh/config file? [closed]
... too: LocalForward 5901 localhost:5901. Putting port forwarding in config files is probably the best way to forward multiple ports.
– Philip Kearns
Feb 22 '17 at 15:30
...
Ruby on Rails and Rake problems: uninitialized constant Rake::DSL
...s and several other things, you need to:
gem "rake", "0.8.7"
in your Gemfile.
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