大约有 48,000 项符合查询结果(耗时:0.0819秒) [XML]
How to import the class within the same directory or sub directory?
...
Python 2
Make an empty file called __init__.py in the same directory as the files. That will signify to Python that it's "ok to import from this directory".
Then just do...
from user import User
from dir import Dir
The same hol...
Cycles in family tree software
...
727
votes
It seems you (and/or your company) have a fundamental misunderstanding of wh...
How to make an anchor tag refer to nothing?
...
|
edited Mar 23 '15 at 4:41
littleibex
1,50022 gold badges1212 silver badges3333 bronze badges
...
iOS 7.0 No code signing identities found
... |
edited Oct 5 '13 at 12:28
answered Oct 5 '13 at 12:23
...
Why do we need to install gulp globally and locally?
2 manuals about gulp say that I need to install gulp first globally (with -g flag) and then one more time locally. Why do I need this?
...
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate]
...
209
All apps will continue to work in the vertically stretched screen from what I could tell in to...
xpath find if node exists
...
326
<xsl:if test="xpath-expression">...</xsl:if>
so for example
<xsl:if test="/ht...
Show a popup/message box from a Windows batch file
...
21 Answers
21
Active
...
How to add a new audio (not mixing) into a video using ffmpeg?
...
ffmpeg -i video.mkv -i audio.m4a -filter_complex "[0:a][1:a]amerge=inputs=2[a]" -map 0:v -map "[a]" -c:v copy -ac 2 -shortest output.mkv
See FFmpeg Wiki: Audio Channels for more info.
Generate silent audio
You can use the anullsrc filter to make a silent audio stream. The filter allows you to choo...
