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How do I output the difference between two specific revisions in Subversion?
...t to compare the last committed state against your currently saved working files, you can use convenience keywords:
svn diff -r PREV:HEAD
(Note, without anything specified afterwards, all files in the specified revisions are compared.)
You can compare a specific file if you add the file path af...
Objective-C categories in static library
...jC option
to the linker. This flag causes the
linker to load every object file in
the library that defines an
Objective-C class or category. While
this option will typically result in a
larger executable (due to additional
object code loaded into the
application), it will allow the
successful creat...
Difference between rake db:migrate db:reset and db:schema:load
...d use db:migrate after having made changes to the schema via new migration files (this makes sense only if there is already data in the database). db:schema:load is used when you setup a new instance of your app.
I hope that helps.
UPDATE for rails 3.2.12:
I just checked the source and the depe...
How can I return to a parent activity correctly?
...use the system can determine the logical parent activity from the manifest file.
So for that you have to declare your parent Activity in tag Activity with attribute
android:parentActivityName
Like,
<!-- The main/home activity (it has no parent activity) -->
<activity
androi...
How can I turn off Visual Studio 2013 Preview?
When I want to search files I use Ctrl + , . The search box pops up and then I start typing. But the built-in preview just grabs whatever I have typed and opens the file. Even though I am still typing.
...
How to programmatically set style attribute in a view
...et your button to change colour when it's pressed, you could define an XML file called res/drawable/my_button.xml directory like this:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_pressed="true"...
Redis key naming conventions?
... to designate different levels of nesting, e.g. User#23:uploads:my/path/to/file.ext
– BorisOkunskiy
May 26 '14 at 12:23
...
When I catch an exception, how do I get the type, file, and line number?
...xc_tb = sys.exc_info()
fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
print(exc_type, fname, exc_tb.tb_lineno)
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ASP.NET MVC A potentially dangerous Request.Form value was detected from the client when using a cus
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Brute force in web.config - definitely not recommended
In the web.config file, within the tags, insert the httpRuntime element with the attribute requestValidationMode="2.0". Also add the validateRequest="false" attribute in the pages element.
<configuration>
<system.web>
<ht...
Create Directory if it doesn't exist with Ruby
... nested directories. Assuming foo does not exist, you will receive no such file or directory error for:
Dir.mkdir 'foo/bar'
# => Errno::ENOENT: No such file or directory - 'foo/bar'
To create nested directories at once, FileUtils is needed:
require 'fileutils'
FileUtils.mkdir_p 'foo/bar'
# =&...