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How to remove files from git staging area?
I made changes to some of my files in my local repo, and then I did git add -A which I think added too many files to the staging area. How can I delete all the files from the staging area?
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Make a float only show two decimal places
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If you are having issues with @"%.f" then try @"%.0f". I found this worked to get no decimal places where the other one didn't
– simon_smiley
Sep 11 '14 at 9:18
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How to detect that animation has ended on UITableView beginUpdates/endUpdates?
...any open CATransaction. If no open CATransaction exists (the normal case), then one is implicitly began, which is ended at the end of the current runloop. But if you begin one yourself, like is done here, then it will use that one.
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Differences in boolean operators: & vs && and | vs ||
... term. it means that on "not short-circuit" all parts are first evaluated, then the boolean operation is applied, while on short-circuit the evaluation is stopped, when the first expression satisfies the condition, like (a || b) will not evaluate b, if a is true and the or operation will return true...
What's the difference between compiled and interpreted language?
...ranslated into something else. Another program, called "the interpreter", then examines "something else" and performs whatever actions are called for. Depending on the language and its implementation, there are a variety of forms of "something else". From more popular to less popular, "something...
How can I get the full object in Node.js's console.log(), rather than '[Object]'?
...e latest Node.js docs for the current, full list.
showHidden
if true, then the object's non-enumerable properties [those designated not to show up when you use for keys in obj or Object.keys(obj)] will be shown too. Defaults to false.
depth
tells inspect how many times to recurse while forma...
How do I unbind “hover” in jQuery?
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is it necessary sequence for mouseenter then after mouseleave?
– sanghavi7
Oct 5 '12 at 10:02
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What is an idempotent operation?
...nce, but might also happen more than once. If the operation is idempotent, then there is no harm in performing the operation two or more times.
See the Wikipedia article on idempotence for more information.
The above answer previously had some incorrect and misleading examples. Comments below wr...
compareTo() vs. equals()
...hcode go hand in hand(equals checks whether both have the same hash code). Then why is it necessary to override both these methods if you decide to override any one of them.
– Ashwin
Jun 7 '12 at 7:35
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How to show a confirm message before delete?
...cking delete (this maybe a button or an image). If the user selects ' Ok ' then delete is done, else if ' Cancel ' is clicked nothing happens.
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