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Standard concise way to copy a file in Java?
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As toolkit mentions above, Apache Commons IO is the way to go, specifically FileUtils.copyFile(); it handles all the heavy lifting for you.
And as a postscript, note that recent versions of FileUtils (such as the 2.0.1 release) have added the use of NIO for ...
What is “String args[]”? parameter in main method Java
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In Java args contains the supplied command-line arguments as an array of String objects.
In other words, if you run your program as java MyProgram one two then args will contain ["one", "two"].
If you wanted to output the contents of args, you can just loop ...
Apache redirect to another port
...s redirecting. Also, I had some trouble with http://example.com vs. http://www.example.com - only the www worked until I made the ServerName www.example.com, and the ServerAlias example.com. Give the following a go.
<VirtualHost *:80>
ProxyPreserveHost On
ProxyRequests Off
ServerName w...
Sending an HTTP POST request on iOS
...d the data to that request.
[request setURL:[NSURL URLWithString:@"http://www.abcde.com/xyz/login.aspx"]];
Now, set HTTP method (POST or GET). Write this lines as it is in your code.
[request setHTTPMethod:@"POST"];
Set HTTP header field with length of the post data.
[request setValue:post...
CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，缓存服务器可以处理大部分客户的静态请求，而原始的WWW服务器只需处理约20%左右的非缓存请求和动态请求，于是大大加快了客户请求的响应时间，并降低了原始WWW服务器的负载。根据美国IDC公司的调查，作为CDN的一项重要指...
How do I clone a specific Git branch? [duplicate]
...of data.
Again, that is not to say git clone --branch is not the way to accomplish that, it's just that it's not always what you want to accomplish, when you're asking about cloning a specific branch.
At the time of writing the original answer below, git had no --single-branch option, but let's pr...
Ruby: How to turn a hash into HTTP parameters?
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If you are using Ruby 1.9.2 or later, you can use URI.encode_www_form if you don't need arrays.
E.g. (from the Ruby docs in 1.9.3):
URI.encode_www_form([["q", "ruby"], ["lang", "en"]])
#=> "q=ruby&lang=en"
URI.encode_www_form("q" => "ruby", "lang" => "en")
#=> "q=ruby...
How to avoid reinstalling packages when building Docker image for Python projects?
...t version: 1.1.2
Client API version: 1.13
Go version (client): go1.2.1
Git commit (client): d84a070
Server version: 1.1.2
Server API version: 1.13
Go version (server): go1.2.1
Git commit (server): d84a070
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How to round up to the nearest 10 (or 100 or X)?
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