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How do I make a column unique and index it in a Ruby on Rails migration?
...1 for suggesting continuing to use the validates_uniqueness_of. The error handling is much cleaner using this method for the cost of a single indexed query I would suggest he does both
– Steve Weet
Sep 19 '09 at 22:08
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C++ map access discards qualifiers (const)
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std::map's operator [] is not declared as const, and cannot be due to its behavior:
T& operator[] (const Key& key)
Returns a reference to the value that is mapped to a key equivalent to key, performing insertion if such key does not already exist.
As a r...
Can CSS force a line break after each word in an element?
... even a line-break after a single letter. Works with Chrome/FF/Opera/IE7+ (and probably even IE6 since it's supporting word-spacing as well).
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What's the difference between @Component, @Repository & @Service annotations in Spring?
Can @Component , @Repository and @Service annotations be used interchangeably in Spring or do they provide any particular functionality besides acting as a notation device?
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Using awk to print all columns from the nth to the last
...proach. no need to use cat though, just put the filename after the awk command.
– kon
Jun 5 '13 at 10:16
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How do I install a custom font on an HTML site
I am not using flash or php - and I have been asked to add a custom font to a simple HTML layout. "KG June Bug"
6 Answers
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How in node to split string by newline ('\n')?
...y newline ('\n') ?
I have simple string like var a = "test.js\nagain.js" and I need to get ["test.js", "again.js"] .
I tried
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Using Predicate in Swift
...[c] %@", searchText];
In Swift, constructors skip the "blahWith…" part and just use the class name as a function and then go straight to the arguments, so [NSPredicate predicateWithFormat: …] would become NSPredicate(format: …). (For another example, [NSArray arrayWithObject: …] would beco...
is node.js' console.log asynchronous?
...mat.apply(this, arguments) + '\n');
};
So it simply does some formatting and writes to process.stdout, nothing asynchronous so far.
process.stdout is a getter defined on startup which is lazily initialized, I've added some comments to explain things:
.... code here...
process.__defineGetter__('s...
android: stretch image in imageview to fit screen
I have an imageview that has its height and width set to fill_parent with a linearlayout that has the same values set. So I suppose this should set my images to fit the screen. But it only fits like 80% (margin top and bottom in landscape mode).
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