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FFmpeg: How to split video efficiently?
I wish to split a large avi video into two smaller consecutive videos. I am using ffmpeg.
9 Answers
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how to show progress bar(circle) in an activity having a listview before loading the listview with d
I have a ListView in my second activity.OnItemClick of it I called a webservice and trying to fetch data. And after that I am moving to third activity which also have a ListView having description of previous activities ListView item.
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What is a stack trace, and how can I use it to debug my application errors?
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In simple terms, a stack trace is a list of the method calls that the application was in the middle of when an Exception was thrown.
Simple Example
With the example given in the question, we can determine exactly where the exception was thrown in the application. Let's have a lo...
Using reflect, how do you set the value of a struct field?
...rue if the value's
address can be obtained with Addr.
Such values are called addressable. A
value is addressable if it is an
element of a slice, an element of an
addressable array, a field of an
addressable struct, or the result of
dereferencing a pointer. If CanAddr
returns false, c...
What's the best way to communicate between view controllers?
...ng data in model objects when appropriate (per the MVC design pattern). Usually you want to avoid putting state information inside a controller, unless it's strictly "presentation" data.
Second, see page 10 of the Stanford presentation for an example of how to programmatically push a controller ont...
Numpy `logical_or` for more than two arguments
... no, as the docs explicitly say, the only parameters are x1, x2, and optionally out:
numpy.logical_or(x1, x2[, out]) = <ufunc 'logical_or'>
You can of course chain together multiple logical_or calls like this:
>>> x = np.array([True, True, False, False])
>>> y = np.a...
How to alias a table in Laravel Eloquent queries (or using Query Builder)?
...supports aliases on tables and columns with AS. Try
$users = DB::table('really_long_table_name AS t')
->select('t.id AS uid')
->get();
Let's see it in action with an awesome tinker tool
$ php artisan tinker
[1] > Schema::create('really_long_table_name', function($...
CDHtmlDialog的基本使用（JS调用C++函数的实现） - C/C++ - 清泛网 - 专注IT技能提升
CDHtmlDialog的基本使用（JS调用C++函数的实现）CDHtmlDialog_js_call_cpp_interactiveCDHtmlDialog JS C++一、建立一个新的MFC Application工程，在下面这一步把HTML Dialog给勾上：二、修改工程中的JSCppInteractive.htm，代码如下：<HTML><HEA...一、建立一个...
一分钟明白 VS manifest 原理 - C/C++ - 清泛网 - 专注C/C++及内核技术
...件中，assembly的版本信息被指明了。如crtassem.h中
#ifndef _CRT_ASSEMBLY_VERSION
#define _CRT_ASSEMBLY_VERSION "8.0.50608.0"
#endif
可以修改8.0.50608.0为8.0.50727.42以产生你想要的manifest信息。
若我想将我的程序发布为独立程序集（isolated application)...
boost自定义composite_key_compare比较函数 - C/C++ - 清泛网 - 专注C/C++及内核技术
boost自定义composite_key_compare比较函数composite_key_compare指定boost多容器元素的比较方法，当然我们也可以自定义比较函数。另外，如果调试过程中遇到很奇怪的问题，可以在自定义比较函数中下断点进行调试。
// boost_demo.cpp : 定义...