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SQL left join vs multiple tables on FROM line?
...e. Again, with old style joins, you risk losing the company as well, if it doesn't have any departments with an X in its name, but with the new syntax, you can do this:
SELECT *
FROM Company
LEFT JOIN (
Department INNER JOIN Employee ON Department.ID = Employee.DepartmentID
) ON ...
How to find unused images in an Xcode project?
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Cmd+Opt+a seems no longer to work on XCode 5. What does should it trigger?
– powtac
Apr 29 '14 at 11:37
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What does f+++++++++ mean in rsync logs?
...the bit flags and how to get rsync to output bit flags for all actions (it does not do this by default).
I am posting that information here in hopes that it helps others who (like me) stumble up on this page via search and need a better explanation of rsync.
With the combination of the --itemize-c...
What does the M stand for in C# Decimal literal notation?
... guess M represent the mantissa. Decimal can be used to save money, but it doesn't mean, decimal only used for money.
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How to filter Android logcat by application? [duplicate]
...se>
adb logcat -s AlexeysActivity
That filters out everything that doesn't use the same tag.
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IntelliJ IDEA generating serialVersionUID
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Try File | Invalidate Caches, if it doesn't help, contact support@jetbrains.com with a sample project to reproduce.
– CrazyCoder
Oct 16 '12 at 10:19
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How does RegexOptions.Compiled work?
...d the scenes when you mark a regular expression as one to be compiled? How does this compare/is different from a cached regular expression?
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raw vs. html_safe vs. h to unescape html
...nd Rails 3.0" is a nice explanation on how the SafeBuffers (the class that does the html_safe magic) work.
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How do I convert datetime to ISO 8601 in PHP
... times to be all with OR all without the colon, not a mixture) - date('c') does produces a strict ISO 8601 valid date - This could cause hard to trace bugs if code expects a strict ISO 8601 datetime format. Ref: en.wikipedia.org/wiki/ISO_8601
– ckm
Mar 23 '15 a...
What is the actual use of Class.forName(“oracle.jdbc.driver.OracleDriver”) while connecting to a dat
... the FQCN (fully qualified class name) oracle.jdbc.driver.OracleDriver.
It doesn't "do" anything in terms of connecting to a database, aside from ensure that the specified class is loaded by the current classloader. There is no fundamental difference between writing
Class<?> driverClass = Clas...