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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
...e of an uninitialized variable is problematic in the case of including one file into another which uses the same variable name. It is also a major security risk with register_globals turned on. E_NOTICE level error is issued in case of working with uninitialized variables, however not in the case of...
Cutting the videos based on start and end time using ffmpeg
... players will ignore the edit list and always play all of the media in the file from beginning to end.
If you want to cut precisely starting at a non-keyframe and want it to play starting at the desired point on a player that does not support edit lists, or want to ensure that the cut portion is no...
Setting global styles for Views in Android
...to do so:
1. Using styles
You can define your own styles by creating XML files on the res/values directory. So, let's suppose you want to have red and bold text, then you create a file with this content:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="MyRedTheme" ...
Remove ActiveRecord in Rails 3
...without ActiveRecord, it should have only the following requires:
require File.expand_path('../boot', __FILE__)
require "action_controller/railtie"
require "action_mailer/railtie"
require "active_resource/railtie"
require "rails/test_unit/railtie"
require "sprockets/railtie"
# Auto-require defaul...
How to push new branch without history
...related branches, master and configs.
I've created configs, purged all the files and then placed in configuration files only.
Now I want to push this on remote repo, but as it were new, empty branch (without logs of all my changes and old revisions of original branch).
...
Could not find default endpoint element
...rectory. Copying the <bindings> and <client> elements from the file in my library to my main app (which were previously empty) got things working.
– David Mason
Apr 6 '11 at 3:10
...
Use of #pragma in C
...
Putting #pragma once at the top of your header file will ensure that it is only included once. Note that #pragma once is not standard C99, but supported by most modern compilers.
An alternative is to use include guards (e.g. #ifndef MY_FILE #define MY_FILE ... #endif /* ...
ffmpeg - Converting MOV files to MP4 [closed]
... installed ffmpeg and I am trying to encode all my uploaded videos to .mp4 file. Most of the users currently upload .mov and I want to convert every video to .mp4.
...
Insert code into the page context using a content script
... exposed code to wait for DOM.
Table of contents
Method 1: Inject another file
Method 2: Inject embedded code
Method 2b: Using a function
Method 3: Using an inline event
Dynamic values in the injected code
Method 1: Inject another file
This is the easiest/best method when you have lots of code. In...
Grep and Sed Equivalent for XML Command Line Processing
When doing shell scripting, typically data will be in files of single line records like csv. It's really simple to handle this data with grep and sed . But I have to deal with XML often, so I'd really like a way to script access to that XML data via the command line. What are the best tools?
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