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Display current date and time without punctuation
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A simple example in shell script
#!/bin/bash
current_date_time="`date +%Y%m%d%H%M%S`";
echo $current_date_time;
With out punctuation format :- +%Y%m%d%H%M%S
With punctuation :- +%Y-%m-%d %H:%M:%S
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How can I save a screenshot directly to a file in Windows? [closed]
... MWSnap to copy arbitrary parts of the screen. I wrote a little AutoHotkey script calling GDI+ functions to do screenshots. Etc.
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Difference between java.exe and javaw.exe
...es wait until the program completes. It can be used safely as part of .bat script for example, and it will wait. However, when you manually start non-console programs from cmd.exe, the cmd.exe will not wait and return to command prompt immediately. Try it with notepad.exe vs ping 8.8.8.8
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What's the difference between subprocess Popen and call (how can I use them)?
...you can still set the process' output, environmental variables, etc., your script waits for the program to complete, and call returns a code representing the process' exit status.
returncode = call(*args, **kwargs)
is basically the same as calling
returncode = Popen(*args, **kwargs).wait()
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Using Git, show all commits that are in one branch, but not the other(s)
...been applied to any other branch [or, if this is not possible without some scripting, how does one see all commits in one branch which have not been applied to another given branch?].
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What is CMake equivalent of 'configure --prefix=DIR && make all install '?
...al Studio.
In prior versions, you could execute the cmake_install.cmake script:
$ cd build
$ cmake -DCMAKE_INSTALL_PREFIX=/path/to/install -P cmake_install.cmake
Finally, you can specify the install prefix at configure-time, and then build and install in one step as follows:
$ cd build
$ c...
How many double numbers are there between 0.0 and 1.0?
... +1, such a twist ending! Felt like I was reading an M. Night Shyamalan script!
– polygenelubricants
Jun 12 '10 at 7:37
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Why does IE9 switch to compatibility mode on my website?
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+1, this is a very valuable note. If you have <script>s inside <head> before this meta statement, it (IE=edge) will be ignored.
– jakub.g
Sep 28 '12 at 15:02
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mysqli or PDO - what are the pros and cons? [closed]
...y in an object. If you don't want to use an ORM (cause it's a just a quick script) but you do like object mapping, it's REALLY cool :
class Student {
public $id;
public $first_name;
public $last_name
public function getFullName() {
return $this->first_name.' '.$this->...
Running a cron job at 2:30 AM everyday
...ing you can check Debugging crontab or Why is crontab not executing my PHP script?.
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