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Checking for empty arrays: count vs empty
...ignificant.
Conclusions if you're using HHVM:
empty() is a teeny-weeny bit faster than count() but insignificantly so.
[ The rest is the same as in PHP ]
In conclusion of the conclusion, if you just need to know if the array is empty always use empty();
This was just a curious test simply do...
Bash if [ false ] ; returns true
...true or false, and you could get unexpected behavior up to and including arbitrary command execution.
– Charles Duffy
Feb 18 '17 at 5:21
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Can someone copyright a SQL query? [closed]
...th if you buy any application you can open it with a hex editor and change bits around. There is no EULA prohibiting this.
Case 2: He sold you the .sql file as source code - he sold you the source meaning the source was what you bought from him and again you can modify it as you're just modifying ...
select count(*) from table of mysql in php
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Kermit
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answered Aug 2 '11 at 5:48
Shakti SinghShakti ...
Python vs Cpython
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Saying that "PyPy is faster than CPython" is a bit dangerous I'd say. There's a very good answer to precisely that question here: stackoverflow.com/questions/18946662/…
– Max Leske
Dec 2 '14 at 14:22
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Font scaling based on width of container
...Here's a nice article about setting minimum/maximum sizes and exercising a bit more control over the sizes: Precise control over responsive typography
And here's an article about setting your size using calc() so that the text fills the viewport: http://codepen.io/CrocoDillon/pen/fBJxu
Also, pleas...
Why is #!/usr/bin/env bash superior to #!/bin/bash?
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For invoking bash it is a little bit of overkill. Unless you have multiple bash binaries like your own in ~/bin but that also means your code depends on $PATH having the right things in it.
It is handy for things like python though. There are wrapper script...
JavaScript module pattern with example [closed]
... in the doug crockford book but being new to javascript it was all still a bit mysterious.
I come from a c# background so have added some terminology I find useful from there.
Html
You'll have some kindof top level html file. It helps to think of this as your project file. Every javascript file...
How to implement a many-to-many relationship in PostgreSQL?
...s of data type numeric to store fractional numbers precisely as entered (arbitrary precision type instead of floating point type). If you deal with whole numbers exclusively, make that integer. For example, you could save prices as Cents.
The amount ("Products" in your question) goes into the linki...
Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
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Codeglot's anwser above does the job, but we wanted something a bit more flexible, so we did this:
On Heroku, we run multiple Production environments for staging and testing, so we need a flexible solution for the production.rb environment file.
In production.rb
config.action_mailer.de...