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WebSockets vs. Server-Sent events/EventSource
...browsers, however they are not competing technologies.
Websockets connections can both send data to the browser and receive data from the browser. A good example of an application that could use websockets is a chat application.
SSE connections can only push data to the browser. Online stock quot...
How to get Erlang's release version number from a shell?
Many programs return their version number with a command like:
11 Answers
11
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How can I programmatically determine if my app is running in the iphone simulator?
As the question states, I would mainly like to know whether or not my code is running in the simulator, but would also be interested in knowing the specific iphone version that is running or being simulated.
...
Save and load MemoryStream to/from a file
... may use MemoryStream.WriteTo or Stream.CopyTo (supported in framework version 4.5.2, 4.5.1, 4.5, 4) methods to write content of memory stream to another stream.
memoryStream.WriteTo(fileStream);
Update:
fileStream.CopyTo(memoryStream);
memoryStream.CopyTo(fileStream);
...
Save An Image To Application Documents Folder From UIView On IOS
...tter to write the images to files.
NSData *pngData = UIImagePNGRepresentation(image);
This pulls out PNG data of the image you've captured. From here, you can write it to a file:
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documen...
Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
I am developing a mobile web application (for iPhone & Android) with a local database (using html5 webstorage) so my app is still usable when the user is offline.
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注C/C++及内核技术
...言，我更喜欢能够快速上手的东西。
对于日志管理，老版本的Linux缺省使用Syslog，其配置大致如下所示：
shell> cat /etc/syslog.conf
# Log all kernel messages to the console.
# Logging much else clutters up the screen.
# kern.* /dev/console
# Log anythin...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注C/C++及内核技术
...言，我更喜欢能够快速上手的东西。
对于日志管理，老版本的Linux缺省使用Syslog，其配置大致如下所示：
shell> cat /etc/syslog.conf
# Log all kernel messages to the console.
# Logging much else clutters up the screen.
# kern.* /dev/console
# Log anythin...
PowerShell: Store Entire Text File Contents in Variable
...
To get the entire contents of a file:
$content = [IO.File]::ReadAllText(".\test.txt")
Number of lines:
([IO.File]::ReadAllLines(".\test.txt")).length
or
(gc .\test.ps1).length
Sort of hackish to include trailing empty line:
[io.file]::ReadAllText(".\desktop\git-pyth...
How do I trim a file extension from a String in Java?
...the hard stuff.
In this case, I recommend using FilenameUtils.removeExtension() from Apache Commons IO
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