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Difference between FOR and AFTER triggers?
...t, and fires before and instead of the insert and can be used on views, in order to insert the appropriate values into the underlying tables.
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How to dynamically update a ListView on Android [closed]
... the app now should show your previous ListView, with a nice box above. In order to make that box do something, we need to take the input from it, and make that input filter the list. While a lot of people have tried to do this manually, most ListView Adapter classes come with a Filter object that c...
Bootstrap 3 panel header with buttons wrong position
...there is room on the line for all items)
Example of correct and incorrect ordering and the effects:
http://www.bootply.com/HkDlNIKv9g
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In C#, why is String a reference type that behaves like a value type?
...copy penalty, you couldn't intern strings, and memory usage would balloon, etc...
(Edit: Added clarification about value type storage being an implementation detail, which leads to this situation where we have a type with value sematics not inheriting from System.ValueType. Thanks Ben.)
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What is Ruby's double-colon `::`?
...nd one it is used to locate the class method (static) of the Routes class, etc, etc.
It is not used to expose anything, its used to "locate" stuff around your scopes.
http://en.wikipedia.org/wiki/Scope_resolution_operator
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Differences between INDEX, PRIMARY, UNIQUE, FULLTEXT in MySQL?
...stems (such as MySQL's InnoDB) will store a table's records on disk in the order in which they appear in the PRIMARY index.
FULLTEXT indexes are different from all of the above, and their behaviour differs significantly between database systems. FULLTEXT indexes are only useful for full text searc...
How to suppress GCC warnings from library headers?
I have a project that uses log4cxx, boost, etc. libraries whose headers generate lots of (repetitive) warnings. Is there a way to suppress warnings from library includes (i.e. #include ) or includes from certain paths? I'd like to use -Wall and/or -Wextra as usual on project code without relevant in...
SQL query to select dates between two dates
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You might mention that the order matters in the BETWEEN function. It has to go from oldest on the left and more recent on the right. This is unintuitive as = is a comparative operator in sql and works for both "EmployeeId = 1" or "1 = EmployeeId" in t...
What is an SSTable?
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"An SSTable provides a persistent,ordered immutable map from keys to values, where both keys and values are arbitrary byte strings. Operations are provided to look up the value associated with a specified key, and to iterate over all key/value pairs in a spec...
Use of Initializers vs Constructors in Java
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I read a whole article looking for an answer to the init order of initializers vs. their constructors. I didn't find it, so I wrote some code to check my understanding. I thought I would add this little demonstration as a comment. To test your understanding, see if you can predi...