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Is there a way to change the environment variables of another process in Unix?
... ("env_var_name=env_var_value")
(gdb) detach
This is quite a nasty hack and should only be done in the context of a debugging scenario, of course.
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FFMPEG (libx264) “height not divisible by 2”
...not want to scale the video is:
-vf "pad=ceil(iw/2)*2:ceil(ih/2)*2"
Command:
ffmpeg -r 24 -i frame_%05d.jpg -vcodec libx264 -y -an video.mp4 -vf "pad=ceil(iw/2)*2:ceil(ih/2)*2"
Basically, .h264 needs even dimensions so this filter will:
Divide the original height and width by 2
Round it up t...
中关村服务辐射百万创业者 - 资讯 - 清泛网 - 专注C/C++及内核技术
...其消耗激情。创业的目标只有“成功”一个，失败却有“N+1”种。没钱，研发难；没人，推广难；没地，谈判难。空间、人才、资金……成为拦在创业道路上的种种难题。6月25日，“清青创——创业星·穿越计划”正式发布。在...
How to convert an address into a Google Maps Link (NOT MAP)
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How can I create with Latitude and Longitude?
– nadeem gc
Jul 6 '13 at 16:56
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How to get notified about changes of the history via history.pushState?
...ired when you use pushState. But an event such as pushstate would come in handy. Because history is a host object, you should be careful with it, but Firefox seems to be nice in this case. This code works just fine:
(function(history){
var pushState = history.pushState;
history.pushState = ...
Iterate a list as pair (current, next) in Python
...ometimes need to iterate a list in Python looking at the "current" element and the "next" element. I have, till now, done so with code like:
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Node.js create folder or use existing
I already have read the documentation of Node.js and, unless if I missed something, it does not tell what the parameters contain in certain operations, in particular fs.mkdir() . As you can see in the documentation, it's not very much.
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Unloading classes in java?
...r used is garbage collected. This means, references to every single class and to the classloader itself need to go the way of the dodo.
One possible solution to your problem is to have a Classloader for every jar file, and a Classloader for each of the AppServers that delegates the actual loading ...
How to identify unused css definitions
...y unused css definitions in a project? A bunch of css files were pulled in and now I'm trying to clean things up a bit.
10 ...
Stashing only staged changes in git - is it possible?
...'m having issues with is when I've worked on several bugs at a given time, and have several unstaged changes. I'd like to be able to stage these files individually, create my .patch files, and stash them away until the code is approved. This way, when it's approved I can stash my entire (current) se...