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Is there a generator version of `string.split()` in Python?
... splitlines, I would suggest using this RE: '(.*\n|.+$)' str.splitlines chops off the trainling newline though (something that I don't really like...); if you wanted to replicated that part of the behavior, you could use grouping: (m.group(2) or m.group(3) for m in re.finditer('((.*)\n|(.+)$)', s))....
How to concatenate two MP4 files using FFmpeg?
...ethod with formats that support file level concatenation
(MPEG-1, MPEG-2 PS, DV). Do not use with MP4.
ffmpeg -i "concat:input1|input2" -codec copy output.mkv
This method does not work for many formats, including MP4, due to the nature of these formats and the simplistic concatenation performed...
Should IBOutlets be strong or weak under ARC?
...g should be the default and that the developer docs are being updated.
https://twitter.com/_danielhall/status/620716996326350848
https://twitter.com/_danielhall/status/620717252216623104
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How do you use Mongoose without defining a schema?
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PS: You have to do thing.set(key, value) because thing.key=value doesn't work with this method, i.e. it doesn't persist changed into the database otherwise.
– laggingreflex
Mar 18 '15 at...
Differences between “java -cp” and “java -jar”?
...fest, not as a -cp argument.
You can find more about this here and here.
PS: -cp and -classpath are synonyms.
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When to use Vanilla JavaScript vs. jQuery?
...concepts like chaining, implied iteration, etc, to simplify working on groups of elements together.
Learning jQuery is no substitute for learning JavaScript. You should have a firm basis in the latter so that you fully appreciate what knowing the former is making easier for you.
-- Edited to enco...
Are SVG parameters such as 'xmlns' and 'version' needed?
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Does it need to be http or can it be https as well?
– JohannesB
May 25 '17 at 19:27
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libevent+protobuf轻松搭建tcpserver - C/C++ - 清泛网 - 专注C/C++及内核技术
...er(int port);
// client端socket流程:socket(),connect()，返回连接的sockfd
int create_io_channel(const char *ipaddr, int port);
2. 搭建TCP Server
下面以伪代码方式给出，错误处理省略
int main(int argc, char *argv[])
{
// 初始化
…
// event初始...
Change key pair for ec2 instance
...).
If you still have SSH access, please use one of the answers below.
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-key-pairs.html#replacing-lost-key-pair
Here is what I did, thanks to Eric Hammond's blog post:
Stop the running EC2 instance
Detach its /dev/xvda1 volume (let's call it ...
Example of Named Pipes
...itHub: Named Pipe Wrapper for .NET 4.0
To use first install the package:
PS> Install-Package NamedPipeWrapper
Then an example server (copied from the link):
var server = new NamedPipeServer<SomeClass>("MyServerPipe");
server.ClientConnected += delegate(NamedPipeConnection<SomeClass&...