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Zero-pad digits in string

... First of all, your description is misleading. Double is a floating point data type. You presumably want to pad your digits with leading zeros in a string. The following code does that: $s = sprintf('%02d', $digit); For more informa...
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Gesture recognizer and button actions

...nizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch { // Disallow recognition of tap gestures in the segmented control. if ((touch.view == yourButton)) {//change it to your condition return NO; } return YES; } hope it will help Edit As Daniel noted you must con...
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How to call a stored procedure from Java and JPA

I am writing a simple web application to call a stored procedure and retrieve some data. Its a very simple application, which interacts with client's database. We pass employee id and company id and the stored procedure will return employee details. ...
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Backwards migration with Django South

Ok, so this seems like a really silly thing to ask, and I'm sure I'm missing something somewhere. 3 Answers ...
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SQL Server - When to use Clustered vs non-Clustered Index?

...stered and non clustered indexes and have an understanding of how they actually work. I understand how clustered and non-clustered indexes improve read performance. But one thing I am not sure is that what would be the reasons where I would choose one over the other. ...
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How do I create a SHA1 hash in ruby?

... of ruby. Worse yet, the string being passed to hexdigest isn't dynamic at all! This method would return the same hash regardless what data you give it! – Blixxy Jul 7 '12 at 10:10 ...
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How can I reverse a NSArray in Objective-C?

...ne. If I see a method that returns an immutable object, I expect it to actually be returning an immutable object. Having it appear to return an immutable object but actual return a mutable object is a dangerous practice to get into. – Christine Jul 2 '12 at 22:...
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Convert varchar to uniqueidentifier in SQL Server

... I was really hoping this would not be the solution but I guess we'll find out soon... – grenade Sep 7 '09 at 16:39 ...
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How do I write JSON data to a file?

... codecs.getwriter('utf-8')(f), ensure_ascii=False) The codecs.getwriter call is redundant in Python 3 but required for Python 2 Readability and size: The use of ensure_ascii=False gives better readability and smaller size: >>> json.dumps({'price': '€10'}) '{"price": "\\u20ac10"}' &...
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Octave-Gnuplot-AquaTerm error: set terminal aqua enhanced title “Figure 1”…unknown terminal type"

I've installed Octave and gnuplot via Homebrew, and downloaded AquaTerm.dmg. When I try to plot, I get the following message: ...