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Declaring and initializing variables within Java switches
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answered May 30 '12 at 6:12
Jon SkeetJon Skeet
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Calculate a Running Total in SQL Server
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Update, if you are running SQL Server 2012 see: https://stackoverflow.com/a/10309947
The problem is that the SQL Server implementation of the Over clause is somewhat limited.
Oracle (and ANSI-SQL) allow you to do things like:
SELECT somedate, somevalue,
SU...
Intellij Idea 9/10, what folders to check into (or not check into) source control?
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107
We have a FAQ article covering this question.
[The .idea] format is used by all the recent ...
Fade/dissolve when changing UIImageView's image
...CATransition *transition = [CATransition animation];
transition.duration = 0.25;
transition.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
transition.type = kCATransitionFade;
transition.delegate = self;
[self.view.layer addAnimation:transition forKey:...
Javascript: formatting a rounded number to N decimals
...contain information about significant digits; the value 2 is the same as 2.0000000000000. It's when you turn the rounded value into a string that you have make it display a certain number of digits.
You could just add zeroes after the number, something like:
var s = number.toString();
if (s.indexO...
jQuery show for 5 seconds then hide
...n use .delay() before an animation, like this:
$("#myElem").show().delay(5000).fadeOut();
If it's not an animation, use setTimeout() directly, like this:
$("#myElem").show();
setTimeout(function() { $("#myElem").hide(); }, 5000);
You do the second because .hide() wouldn't normally be on the an...
Find commit by hash SHA in Git
...ind a commit in Git by a given hash, SHA. For example, if I have the "a2c25061" hash, and I need to get the author and the committer of this commit.
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new DateTime() vs default(DateTime)
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206
No, they are identical.
default(), for any value type (DateTime is a value type) will always c...
Rails mapping array of hashes onto single hash
...g a method call between each element of it.
For example [1, 2, 3].reduce(0, :+) is like saying 0 + 1 + 2 + 3 and gives 6.
In our case we do something similar, but with the merge function, which merges two hashes.
[{:a => 1}, {:b => 2}, {:c => 3}].reduce({}, :merge)
is {}.merge({:a =&g...
AutoLayout with hidden UIViews?
...best way using AutoLayout to respond to hidden views as if their frame was 0x0. Here is an example of a dynamic list of 1-3 features.
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