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How to remove convexity defects in a Sudoku square?
...ge using OpenCV (as in Google goggles etc). And I have completed the task, but at the end I found a little problem for which I came here.
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How to get a resource id with a known resource name?
I want to access a resource like a String or a Drawable by its name and not its int id.
10 Answers
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if (key in object) or if(object.hasOwnProperty(key)
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Be careful - they won't produce the same result.
in will also return true if key gets found somewhere in the prototype chain, whereas Object.hasOwnProperty (like the name already tells us), will only return true if key is av...
Why would iterating over a List be faster than indexing through it?
Reading the Java documentation for the ADT List it says:
5 Answers
5
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How do I perform an IF…THEN in an SQL SELECT?
...ons of SQL Server.
SELECT CAST(
CASE
WHEN Obsolete = 'N' or InStock = 'Y'
THEN 1
ELSE 0
END AS bit) as Saleable, *
FROM Product
You only need to do the CAST if you want the result as a Boolean value. If you are hap...
Variable declaration in a C# switch statement [duplicate]
Why is it that in a C# switch statement, for a variable used in multiple cases, you only declare it in the first case?
7 An...
MySQL foreign key constraints, cascade delete
...e foreign keys to keep the integrity and avoid orphans (I already use innoDB).
3 Answers
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What does ':' (colon) do in JavaScript?
I'm learning JavaScript and while browsing through the jQuery library I see : (colon) being used a lot. What is this used for in JavaScript?
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IntelliJ: Working on multiple projects
We build in maven multiple projects (let's name them A,B,C). Project A uses .jar of project B which uses .jar of project C.
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Convert number to month name in PHP
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The recommended way to do this:
Nowadays, you should really be using DateTime objects for any date/time math. This requires you to have a PHP version >= 5.2. As shown in Glavić's answer, you can use the following:
$monthNum = 3;
$dateObj = DateTime::createFromFormat('!m', $mon...