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Check if a program exists from a Makefile
...some of the existing solutions here...
REQUIRED_BINS := composer npm node php npm-shrinkwrap
$(foreach bin,$(REQUIRED_BINS),\
$(if $(shell command -v $(bin) 2> /dev/null),$(info Found `$(bin)`),$(error Please install `$(bin)`)))
The $(info ...) you can exclude if you want this to be quiete...
Correct way to convert size in bytes to KB, MB, GB in JavaScript
I got this code to covert size in bytes via PHP.
17 Answers
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Print a list in reverse order with range()?
...n you please explain this as well, also can you please recommend me any website/pdf book for python
– ramesh.mimit
Sep 2 '11 at 16:21
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Using custom fonts using CSS?
I've seen some new websites that are using custom fonts on their sites (other than the regular Arial, Tahoma, etc.).
8 Answ...
SQL Server - where is “sys.functions”?
....ROUTINES WHERE ROUTINE_TYPE = 'FUNCTION'
According to the Microsoft web site "Information schema views provide an internal, system table-independent view of the SQL Server metadata. Information schema views enable applications to work correctly although significant changes have been made to the u...
How to use Git?
...tready is a great starting point. I'm using git for a project now and that site pretty much got the ball rolling for me.
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Detecting iOS / Android Operating system
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You can also Achieve this with user agent on php:
$userAgent = strtolower($_SERVER['HTTP_USER_AGENT']);
if(stripos($userAgent,'android') !== false) { // && stripos($userAgent,'mobile') !== false) {
header('Location: http://oursite.com/download/yourApp.apk');...
node.js database [closed]
... think going with a newer stack like node.js (vs traditional frameworks in php/java) is adding enough "new" complexity that one shouldn't add extra layers all at once. This is a good article that discusses that:
http://nodeguide.com/convincing_the_boss.html
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Deny all, allow only one IP through htaccess
...intenance page can be shown to your users while you perform changes to the site:
ErrorDocument 403 /maintenance.html
Order Allow,Deny
Allow from #.#.#.#
Where:
#.#.#.# is your IP: What Is My IP Address?
For maintenance.html there is a nice example here: Simple Maintenance Page
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How can I manually generate a .pyc file from a .py file
... be careful with this command. I did accidentally do a compileall on my site-packages folder and it messed up everything
– Alex
Jul 18 '18 at 11:29
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