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Why is MySQL's default collation latin1_swedish_ci?
...g latin1_swedish_ci as the compiled default when other options seem much more reasonable, like latin1_general_ci or utf8_general_ci ?
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Nested or Inner Class in PHP
...itself can be hidden from the outside world.
Nested classes can lead to more readable and maintainable code.
A nested class usually relates to it's parent class and together form a "package"
In PHP
You can have similar behavior in PHP without nested classes.
If all you want to achieve i...
Java HTTPS client certificate authentication
...ging and finding the problem. It's similar to -Djavax.net.debug=ssl but is more structured and (arguably) easier to interpret if you're uncomfortable with the Java SSL debug output.
It's perfectly possible to use the Apache httpclient library. If you want to use httpclient, just replace the destinat...
For-each over an array in JavaScript
...ple old-fashioned for loop,
or for-in with safeguards.
But there's lots more to explore, read on...
JavaScript has powerful semantics for looping through arrays and array-like objects. I've split the answer into two parts: Options for genuine arrays, and options for things that are just array-...
Circle drawing with SVG's arc path
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SQL/mysql - Select distinct/UNIQUE but return all columns?
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Immutable vs Unmodifiable collection
...immutable collection guarantees that nothing can change the collection any more. If it wraps a modifiable collection, it makes sure that no other code has access to that modifiable collection. Note that although no code can change which objects the collection contains references to, the objects them...
YYYY-MM-DD format date in shell script
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Python None comparison: should I use “is” or ==?
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Check if a string contains a substring in SQL Server 2005, using a stored procedure
...X(' ME ',' ' + REPLACE(REPLACE(@mainString,',',' '),'.',' ') + ' ')
(Add more recursive REPLACE() calls for any other punctuation that may occur
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