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MySQL Creating tables with Foreign Keys giving errno: 150
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What's the current state of your database when you run this script? Is it completely empty? Your SQL runs fine for me when creating a database from scratch, but errno 150 usually has to do with dropping & recreating tables that are part of a foreign key. I'm getting the feeling ...
How to list all properties of a PowerShell object
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This is very useful when scripting to know the type of data each field contains and to list all available field names without fetching data. Thanks!
– Yanick Girouard
Oct 18 '19 at 13:25
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Are the decimal places in a CSS width respected?
...rounded themselves, but pixel widths with decimal places and the final result of the percentage calculation will always be rounded to entire pixels :)
– MartinodF
Nov 29 '10 at 23:17
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How to use Bash to create a folder if it doesn't already exist?
...nd in bash is such an eye-opener. I feel like a lot of issues with my bash scripts are now resolved!
– raluru
Nov 5 '19 at 11:13
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How to programmatically create and read WEP/EAP WiFi configurations in Android?
... b );
}
Following the permissions needed in AndroidManifest.xml
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE">
</uses-permission>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE">
</uses-permission>
<u...
How do I select the parent form based on which submit button is clicked?
...l in one form, and I'd like to validate/etc all the forms with only one JS script.
5 Answers
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Is CSS Turing complete?
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body > input:nth-child(30n) + label { display: none !important; }
<p><a href="http://en.wikipedia.org/wiki/Rule_110">Rule 110</a> in (webkit) CSS, proving Turing-completeness.</p>
<!-- A total of 900 checkboxes required -->
<input type="checkbox"/><...
Default string initialization: NULL or Empty? [closed]
...es of it are in methods that process user input, return values from Python scripts, examine values retrieved from external APIs, etc.)
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Web colors in an Android color xml resource file
...n by now, but for the benefit of others, please find w3c and x11 below.
<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="white">#FFFFFF</color>
<color name="yellow">#FFFF00</color>
<color name="fuchsia">#FF00FF</color>
<color na...
What is the proper way to check if a string is empty in Perl?
...veral people, eq is the right operator here.
If you use warnings; in your script, you'll get warnings about this (and many other useful things); I'd recommend use strict; as well.
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