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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...
How to create a unique index on a NULL column?
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What is the most appropriate way to store user settings in Android application
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What's the better (cleaner) way to ignore output in PowerShell? [closed]
...ething > $null
Edit
After stej's comment again, I decided to do some more tests with pipelines to better isolate the overhead of trashing the output.
Here are some tests with a simple 1000 object pipeline.
## Control Pipeline
Measure-Command {$(1..1000) | ?{$_ -is [int]}}
TotalMilliseconds ...
JavaScript: Class.method vs. Class.prototype.method
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When you create more than one instance of MyClass , you will still only have only one instance of publicMethod in memory but in case of privilegedMethod you will end up creating lots of instances and staticMethod has no relationship with an ...
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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In Vim, I'd like to go back a word. The opposite of `w`
...as words; lowercase is similar to \w|\S. See :help word and :help WORD for more details.
– rninty
Dec 12 '13 at 19:40
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How do I give text or an image a transparent background using CSS?
...rency, every browser that supports RGBA also supports HSLA, which is a far more intuitive color mapping. IE8 is the only pseudosignificant browser that fails to support it, so barring that go ahead and use HSL(A) for every colour.
– iono
Nov 28 '13 at 8:17
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What is the difference between Serializable and Externalizable in Java?
...lizable is a relic of the Java 1.1 days. There's really no need for it any more.
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