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How to change MySQL column definition?

... Do you mean altering the table after it has been created? If so you need to use alter table, in particular: ALTER TABLE tablename MODIFY COLUMN new-column-definition e.g. ALTER TABLE test MODIFY COLUMN locationExpect VARCHAR(12...
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C++: variable 'std::ifstream ifs' has initializer but incomplete type

Sorry if this is pretty noobish, but I'm pretty new to C++. I'm trying to open a file and read it using ifstream : 1 Answe...
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MySQL Select minimum/maximum among two (or more) given values

Is it possible to SELECT the minimum or maximum among two or more values. I'd need something like this: 4 Answers ...
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How do I explicitly specify a Model's table-name mapping in Rails?

I have a Model class called Countries and I want it to map to a DB table called 'cc'. 2 Answers ...
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Which is better, return “ModelAndView” or “String” on spring3 controller

The way of return ModelAndView 2 Answers 2 ...
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Linq to Objects: does GroupBy preserve order of elements?

Does Enumerable.GroupBy from LINQ to Objects preserve order of elements in the groups? 1 Answer ...
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Get value from NSTextField

I have an NSTextField and I need to get the field's value into a variable. What's the appropriate method? 4 Answers ...
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Objective-C Split()?

...any way to split strings in objective c into arrays? I mean like this - input string Yes:0:42:value into an array of (Yes,0,42,value)? ...
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How to create loading dialogs in Android?

... It's a ProgressDialog, with setIndeterminate(true). From http://developer.android.com/guide/topics/ui/dialogs.html#ProgressDialog ProgressDialog dialog = ProgressDialog.show(MyActivity.this, "", "Loading. Please wait...", true); An indeterminate...
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Where does Git store the SHA1 of the commit for a submodule?

I know that when you add a submodule to a git repository it tracks a particular commit of that submodule referenced by its sha1. ...