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Storing SHA1 hash values in MySQL
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If you need an index on the sha1 column, I suggest CHAR(40) for performance reasons.
In my case the sha1 column is an email confirmation token, so on the landing page the query enters only with the token.
In this case CHAR(40) with INDEX, i...
How to install a specific JDK on Mac OS X?
...I went to the JDK download homepage: http://java.sun.com/javase/downloads/index.jsp .
I looked for a Mac version, but I'm a bit surprised to only see downloadable versions for Linux, Windows and Solaris ...
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json_decode to array
...uggested json_decode($object, true); the true does exactly the same, internally much faster.
– TCB13
Dec 12 '13 at 0:13
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OOP vs Functional Programming vs Procedural [closed]
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All of them are good in their own ways - They're simply different approaches to the same problems.
In a purely procedural style, data tends to be highly decoupled from the functions that operate on it.
In an object oriented...
What are the advantages of Sublime Text over Notepad++ and vice-versa? [closed]
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Upgrade Policy
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This licensing requirement is still correct as of Dec 2019.
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How to find all positions of the maximum value in a list?
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a.index(max(a))
will tell you the index of the first instance of the largest valued element of list a.
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mysql Foreign key constraint is incorrectly formed error
...ieve it does not necessarily have to be a primary key, but it MUST have an index. Primary keys automatically get indexed.
– Itai
May 6 '18 at 7:23
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Detecting iOS / Android Operating system
... @feeela sometimes the feature is something like being able to install apks, which isn't possible to detect.
– Daniel Lubarov
Mar 7 '16 at 21:11
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XAMPP - Port 80 in use by “Unable to open process” with PID 4! 12
...RVER)" also uses port 80 and so it should be stopped if MS-SQL sever is insalled on your machine.
– johnkarka
Nov 21 '15 at 12:01
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Best way to store JSON in an HTML attribute?
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The HTML does not have to validate.
Why not? Validation is really easy QA that catches lots of mistakes. Use an HTML 5 data-* attribute.
The JSON object could be any size (i.e. huge).
I've not seen any documentation on browser limits to attribute sizes.
If you do run into them, ...