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Tracking the script execution time in PHP
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On unixoid systems (and in php 7+ on Windows as well), you can use getrusage, like:
// Script start
$rustart = getrusage();
// Code ...
// Script end
function rutime($ru, $rus, $index) {
return ($ru["ru_$index.tv_sec"]*10...
How to save a Python interactive session?
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@ubershmekel - Looks like it only works on Unix
– Joel B
Feb 5 '15 at 15:04
30
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Can you make valid Makefiles without tab characters?
...nswer.
You are not the first one to dislike this aspect of make. To quote Unix Haters' Handbook:
The problem with Dennis’s Makefile is that when he added the comment line, he inadvertently inserted a space before the tab character at the beginning of line 2. The tab character is a very import...
How can I perform a `git pull` without re-entering my SSH password?
...y does the link only provide Mac/Widows options? I want to git pull on the unix server without reentering the pass. managed to make it work for a historic project but cant tell what I did there. Is the point that when you ssh to a remote unix machine the key is passed on and that is used as a git pu...
Calculate a MD5 hash from a string
...MD5")).ComputeHash(encodedPassword);
// string representation (similar to UNIX format)
string encoded = BitConverter.ToString(hash)
// without dashes
.Replace("-", string.Empty)
// make lowercase
.ToLower();
// encoded contains the hash you want
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How to rename with prefix/suffix?
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You can achieve a unix compatible multiple file rename (using wildcards) by creating a for loop:
for file in *; do
mv $file new.${file%%}
done
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Linux command to list all available commands and aliases
...ther sorting if the only purpose is to put the output through grep anyway? Unix philosophy is to make simple tools and then chain them together if required, so leave sort out of ListAllCommands and if the user wants the output sorted they can do that.
– danio
J...
Removing duplicate rows in Notepad++
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@Iain Elder: cat is a standard Unix utility, which is why this answer specifies that it works on linux, FreeBSD, and MacOSX. The answer also suggests Cygwyn: This is a windows program that gives you a unix style shell, and with it, cat. Long story short (t...
How to 'grep' a continuous stream?
...used on pretty much any Linux) as it will flush by default (YMMV for other Unix-likes such as SmartOS, AIX or QNX).
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What can be the reasons of connection refused errors?
... one edge case as explained here: softlab.ntua.gr/facilities/documentation/unix/unix-socket-faq/… . basically if you are stress testing your client/server app, and you are using the naive approach as mentioned in 3.6, "connection refused" error may happen, and it's different case from the above tw...