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“is” operator behaves unexpectedly with integers
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As you can check in source file intobject.c, Python caches small integers for efficiency. Every time you create a reference to a small integer, you are referring the cached small integer, not a new object. 257 is not an small integer, so it is calculat...
Default profile in Spring 3.1
In my application I have beans annotated with @Profile("prod") and @Profile("demo") .
The first one, as you can guess :), is used on beans that connect to production DB and second one annotates beans that use some fake DB ( HashMap or whatever)- to make development faster.
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default select option as blank
...ing would be great:
<option />
<option></option>
Test File
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Test</title>
</head>
<body>
<form action="index.html" m...
How to use concerns in Rails 4
...e Taggable
...
end
# app/models/concerns/taggable.rb
# notice that the file name has to match the module name
# (applying Rails conventions for autoloading)
module Taggable
extend ActiveSupport::Concern
included do
has_many :taggings, as: :taggable
has_many :tags, through: :tagging...
How to delete an old/unused Data Model Version in Xcode
...e Finder (Right-click -> Show Package Contents)
Delete the .xcdatamodel file(s) that you don't want anymore
Re-add the .xcdatamodeld file to your project
This eliminates the need to manually modify any of the project metadata files.
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How do you delete all text above a certain line
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dgg
will delete everything from your current line to the top of the file.
d is the deletion command, and gg is a movement command that says go to the top of the file, so when used together, it means delete from my current position to the top of the file.
Also
dG
will delete all lines at ...
How do I share IntelliJ Run/Debug configurations between projects?
...is designed so you can share the setting with others.
You could copy this file and put it in the same location in all your idea projects.
However, in the future, you might want to consider using source control branches for app versions rather than separate projects. IntelliJ handles these very wel...
How to link to part of the same document in Markdown?
...nyone wondering, this also works with GitHub-hosted-and-displayed Markdown files.
– Alex Dean
Mar 5 '12 at 15:52
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Python Logging (function name, file name, line number) using a single file
...ssage to the log output. Finally, since this application comprises of many files, I want to create a single log file so that I can better understand the control flow of the application.
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Android: integer from xml resource
How do I have to modify my XML resources, or what XML file do I have to create, to access integer values in the same way you access string values with R.string.some_string_resource ?
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