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How to use shell commands in Makefile
...e horribly complicated makefiles we use just use shell variables and giant one-liner shell commands built with "; \" at the end of each line as needed. (can't get the code encoding to work with the backslash sequence here, hmm)
– torek
Apr 5 '12 at 7:44
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Assigning a variable NaN in python without numpy
...gt;> import math
>>> math.isnan(nan)
True
Before Python 3.5, one could use float("nan") (case insensitive).
Note that checking to see if two things that are NaN are equal to one another will always return false. This is in part because two things that are "not a number" cannot (strict...
Timing a command's execution in PowerShell
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Yup.
Measure-Command { .\do_something.ps1 }
Note that one minor downside of Measure-Command is that you see no stdout output.
[Update, thanks to @JasonMArcher] You can fix that by piping the command output to some commandlet that writes to the host, e.g. Out-Default so it bec...
stop all instances of node.js server
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This one did it for me. Thanks
– Adim Victor
Sep 9 '19 at 16:45
1
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Why is #!/usr/bin/env bash superior to #!/bin/bash?
...o use #!/usr/bin/env bash in preference to #!/bin/bash . I've even seen one enterprising individual suggest using #!/bin/bash was wrong and bash functionality would be lost by doing so.
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How to save and restore multiple different sessions in Vim?
... writing to and reading from Session.vim. So if you only want to have only one session saved in your current directory, you can use :mksession or :mks from vim to save your current session, and just vim -S to open it back up.
– anishpatel
Mar 17 '15 at 17:03
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Recover unsaved SQL query scripts
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You may be able to find them in one of these locations (depending on the version of Windows you are using).
Windows XP
C:\Documents and Settings\YourUsername\My Documents\SQL Server Management Studio\Backup Files\
Windows Vista/7/10
%USERPROFILE%\Docum...
Are parallel calls to send/recv on the same socket valid?
...the netowrk stack and out onto the network asynchronously. So if you have one thread sending and one thread receiving, its entirely possible (even likely) for the sending thread to send many packets before the receiving thread receives the first packet. Its entirely asynchronous and not simultaneo...
Validating email addresses using jQuery and regex
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a regex alone on clientside, does not know if there is a mailserver nor if the domain itself exists. it merly checks if the syntax of any email is valid or not. Its only to help the user writing the correct address. its not a validatio...
Maven plugins can not be found in IntelliJ
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None of the other answers worked for me. The solution that worked for me was to download the missing artifact manually via cmd:
mvn dependency:get -DrepoUrl=http://repo.maven.apache.org/maven2/ -Dartifact=ro.isdc.wro4j:wro4j-...