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Differences between Perl and PHP [closed]
...rray_splice to assign to a slice.
You can leave out the argument to the subscript operator in PHP for a bit of magic. In Perl, you can't leave out the subscript.
Perl hashes are unordered.
Perl has a large number of predefined and magic variables. PHP's predefined variables have quite a different pu...
Is Python interpreted, or compiled, or both?
...
Alright, this means that a python script is first compiled to bytecode and then it is implemented by an interpreter like CPython, Jython or IronPython etc.
– Pankaj Upadhyay
Jul 31 '11 at 13:54
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HTML img scaling
...es you can use a percentage.
The first part can be done, but requires JavaScript, so might not work for all users.
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Get MIME type from filename extension
... {".afm", "application/octet-stream"},
{".ai", "application/postscript"},
{".aif", "audio/x-aiff"},
{".aifc", "audio/aiff"},
{".aiff", "audio/aiff"},
{".air", "application/vnd.adobe.air-application-installer-package+zip"},
{".amc", "application/x-mp...
Test whether string is a valid integer
I'm trying to do something common enough: Parse user input in a shell script. If the user provided a valid integer, the script does one thing, and if not valid, it does something else. Trouble is, I haven't found an easy (and reasonably elegant) way of doing this - I don't want to have to pick it ap...
How to run a program without an operating system?
...he case for regular userland executables.
To better understand the linker script part, familiarize yourself with the relocation step of linking: What do linkers do?
Cooler x86 bare metal programs
Here are a few more complex bare metal setups that I've achieved:
multicore: What does multicore assem...
Unzip All Files In A Directory
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The following bash script extracts all zip files in the current directory into new dirs with the filename of the zip file, i.e.:
The following files:
myfile1.zip
myfile2.zip
Will be extracted to:
./myfile1/files...
./myfile2/files...
Sh...
How to assign the output of a Bash command to a variable? [duplicate]
...`. (So do other shells, this is a standard feature.) So you can write your script like this:
#!/bin/bash
until [ "$PWD" = "/" ]; do
echo "$PWD"
ls && cd .. && ls
done
Note the use of double quotes around the variable references. They are necessary if the variable (here, the c...
Find what filetype is loaded in vim
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&filetype for script usage
Minimal example:
echo &filetype
More realistic usage example:
if &filetype ==# 'c' || &filetype ==# 'cpp'
setlocal noexpandtab
endif
& syntax works for all options: https://vi.stackexchan...
Convert DOS line endings to Linux line endings in Vim
...x is so much nicer than most of the other stuff written here, and the bash script is a nice bonus.
– mkasberg
Jun 18 '17 at 3:42
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