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Abandoning changes without deleting from history
...ses can be shell commands. This means that this will probably only work on UNIX, not on Windows.
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Convert to/from DateTime and Time in Ruby
...built-in time classes. You can throw a RangeException if you try to get a UNIX time_t for 4713 BC (though a BigNum negative value would be nicer), but at least provide a method for it.
– Mark Reed
Oct 25 '11 at 23:00
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What is the difference between g++ and gcc?
... see which invocation should be used. This is pretty common among the core UNIX utilities.
– user836218
Nov 12 '19 at 18:55
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Issue with adding common code as git submodule: “already exists in the index”
...ou what type of object is in the index at projectfolder. (These look like Unix filemodes, but have special meanings in git.)
I suspect that you will see something like:
160000 d00cf29f23627fc54eb992dde6a79112677cd86c 0 projectfolder
(i.e. a line beginning with 160000), in which case the repos...
Relative paths based on file location instead of current working directory [duplicate]
...sed; I've chosen -f here, because it is the most well-known one.
Multi-(Unix-like-)platform solution (including platforms with a POSIX-only set of utilities):
If your script must run on any platform that:
has a readlink utility, but lacks the -f option (in the GNU sense of resolving a symlink ...
Where is Vagrant saving changes to the VM?
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Vagrant adds the UNIX time stamp to the folder name.
– kynan
Mar 4 '13 at 19:31
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Fastest way to extract frames using ffmpeg?
...llelize the task. I used the N processes with FIFO approach here:
https://unix.stackexchange.com/questions/103920/parallelize-a-bash-for-loop/216475#216475
open_sem(){
mkfifo /tmp/pipe-$$
exec 3<>/tmp/pipe-$$
rm /tmp/pipe-$$
local i=$1
for((;i>0;i--)); do
printf %s 000 >&...
system(“pause”); - Why is it wrong?
...omation of some task that pause is very much undesired!
It's not portable.
Unix-land has no standard pause command.
The pause command is an internal cmd.exe command and can't be overridden, as is erroneously claimed in at least one other answer. I.e. it's not a security risk, and the claim that AV...
How to create a windows service from java app
...n is a good alternative. It has Procrun for windows services, and Jsvc for unix daemons. It uses less restrictive Apache license, and Apache Tomcat uses it as a part of itself to run on Windows and Linux! To get it work is a bit tricky, but there is an exhaustive article with working example.
Besid...
How to fix “Attempted relative import in non-package” even with __init__.py
...cutable scripts (e.g. when using a shebang and doing ./my_script.py at the Unix shell) would all be useful. This whole issue was quite tricky for me to figure out or find concise and understandable documentation on.
– Mark Amery
Jan 13 '14 at 17:31
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