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How do I get the current date and time in PHP?
...'); // MySQL datetime format
echo $now->getTimestamp(); // Unix Timestamp -- Since PHP 5.3
And to specify the timezone:
$now = new DateTime(null, new DateTimeZone('America/New_York'));
$now->setTimezone(new DateTimeZone('Europe/London')); // Another way
echo $now->getTime...
Run R script from command line
...int('hello')
}
sayHello()
I will also note that if you're running on a *unix system there is the useful littler package which provides easy command line piping to R. It may be necessary to use littler to run shiny apps via a script? Further details can be found in this question.
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Redirect all output to file [duplicate]
...; log_file_name 2>&1
Detail description of redirection operator in Unix/Linux.
The > operator redirects the output usually to a file but it can be to a device. You can also use >> to append.
If you don't specify a number then the standard output stream is assumed but you can also ...
How to read a single char from the console in Java (as the user types it)?
...d) as opposed to "cooked" mode (line editing with enter key required.) On UNIX systems, the 'stty' command can change modes.
Now, with respect to Java... see Non blocking console input in Python and Java. Excerpt:
If your program must be console based,
you have to switch your terminal out
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Clear terminal in Python [duplicate]
...rm solution would be to use either the cls command on Windows, or clear on Unix systems. Used with os.system, this makes a nice one-liner:
import os
os.system('cls' if os.name == 'nt' else 'clear')
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Reminder - \r\n or \n\r?
...e, which accordingly to MSDN it is:
A string containing "\r\n" for non-Unix platforms, or a string containing "\n" for Unix platforms.
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What's the difference between a file descriptor and file pointer?
...ened file (or socket, or whatever) at the kernel level, in Linux and other Unix-like systems.
You pass "naked" file descriptors to actual Unix calls, such as read(), write() and so on.
A FILE pointer is a C standard library-level construct, used to represent a file. The FILE wraps the file descrip...
CruiseControl.Net 进行持续化集成 - IT产品资讯 - 清泛网 - 专注C/C++及内核技术
...很多中小软件厂商的关注。那么敏捷除了一些经常谈论到编程思维和迭代的开发模式等，其实还部分依赖于好的改善工作流程的工具。持续化集成工具便是服务于敏捷软件开发的一个系列。它主要将原本分散，无序的工作流程，...
How to get the start time of a long-running Linux process?
... Be aware that lstart time can change, the stat methods below are safer - unix.stackexchange.com/questions/274610/….
– slm
Jun 20 '19 at 15:13
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Failed to Attach to Process ID Xcode
... 1, otherwise continue to Step 3.
Step3: Correct File Format: It should be unix or LF *
$ file /etc/hosts
This should return: /etc/hosts: ASCII English text
If it returns something like /etc/hosts: ASCII English text, with CR line terminators then the file is in the wrong format and is likely bein...