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node and Error: EMFILE, too many open files
...ix your wagon if your issue is with sockets.)
From My Blog Article: http://www.blakerobertson.com/devlog/2014/1/11/how-to-determine-whats-causing-error-connect-emfile-nodejs.html
How To Isolate
This command will output the number of open handles for nodejs processes:
lsof -i -n -P | grep nodejs
COM...
coinitialize失败，返回值是0x80010106 无法在设置线程模式后对其加以更改 ...
...x都是windows的API，主要是告诉windows以什么方式为程序创建COM对象，原因是程序调用com库函数（除CoGetMalloc和内存分配函数）之前必须初始化com库。
有哪些方式呢？单线程和多线程。
CoInitialize指明以单线程方式创建。
...
Using scp to copy a file to Amazon EC2 instance?
... /home/ubuntu). in my case the file which I wanted to download was at /var/www
SampleFile2.txt: It will be path of your machine's root path(In my case, /home/MyPCUserName)
So, I have to write below command
scp -i /path/my-key-pair.pem ec2-user@ec2-198-51-100-1.compute-1.amazonaws.com:~/../../var/...
php execute a background process
...n action without the user being aware of the time it takes for the copy to complete.
18 Answers
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When should the xlsm or xlsb formats be used?
...l similar in that they're essentially zip files containing the actual file components. You can see the contents just by replacing the extension with .zip and opening them up. The difference with xlsb seems to be that the components are not XML-based but are in a binary format: supposedly this is b...
How do I make curl ignore the proxy?
... 7.19.4, you could just use the --noproxy flag.
curl --noproxy "*" http://www.stackoverflow.com
From the manual.
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How do I get the value of text input field using JavaScript?
...t in the search box
if (e.keyCode == 13) {
window.location = "http://www.myurl.com/search/" + inputTextValue;
}
}
See this functioning in codepen.
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Intro to GPU programming [closed]
...rm to do GPU programming. There are tons of cool materials to read.
http://www.nvidia.com/object/cuda_home.html
Hello world would be to do any kind of calculation using GPU.
Hope that helps.
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@synthesize vs @dynamic, what are the differences?
...erate getter and setter methods for your property.
@dynamic just tells the compiler that the getter and setter methods are implemented not by the class itself but somewhere else (like the superclass or will be provided at runtime).
Uses for @dynamic are e.g. with subclasses of NSManagedObject (Core...