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Rails extending ActiveRecord::Base
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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
#...
How do I include a JavaScript file in another JavaScript file?
...Script similar to @import in CSS that allows you to include a JavaScript file inside another JavaScript file?
61 Answers
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Referring to a file relative to executing script
...writing, I use source to include the variable defined in a configuration file. The script to be executed is act.sh , while the script to be source d is act.conf.sh , so in act.sh I have:
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How to use NSURLConnection to connect with SSL for an untrusted cert?
...ied from Apple sample code AdvancedURLConnections, and you need to add two files(Credentials.h, Credentials.m) from apple sample code to your projects.
- (BOOL)connection:(NSURLConnection *)connection canAuthenticateAgainstProtectionSpace:(NSURLProtectionSpace *)protectionSpace {
return [protection...
How many system resources will be held for keeping 1,000,000 websocket open? [closed]
...x. Could you please share additional info on how the kernel was tuned? max file descriptors/tcp window sizes etc?
– quixver
Jun 21 '14 at 21:14
15
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C library function to perform sort
...ndard library exactly, https://github.com/swenson/sort has just two header files you can include to get access to a wide range of incredibly fast sorting routings, like so:
#define SORT_NAME int64
#define SORT_TYPE int64_t
#define SORT_CMP(x, y) ((x) - (y))
#include "sort.h"
/* You now have access...
Is there a simple way to convert C++ enum to string?
.../>
<Enumeration id="_3" name="MyEnum" context="_1" location="f0:1" file="f0" line="1">
<EnumValue name="FOO" init="0"/>
<EnumValue name="BAR" init="80"/>
</Enumeration>
<File id="f0" name="my_enum.h"/>
</GCC_XML>
You could use any language you p...
The Guava library: What are its most useful and/or hidden features? [closed]
...legacy APIs, including third-party libraries like Guava. The configuration file appears to contains 67 Guava deprecations, including StandardCharsets.
– DavidS
Nov 1 '16 at 21:08
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SSH Key - Still asking for password and passphrase
...ill be unencrypted on your machine. It's like leaving a password in a text file laying around on your computer.
– user456814
Jul 5 '14 at 17:25
2
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How to exclude a directory in find . command
I'm trying to run a find command for all JavaScript files, but how do I exclude a specific directory?
38 Answers
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