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How Many Seconds Between Two Dates?

... I'm taking YYYY & ZZZZ to mean integer values which mean the year, MM & NN to mean integer values meaning the month of the year and DD & EE as integer values meaning the day of the month. var t1 = new Date(YYYY, MM, DD...
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When you exit a C application, is the malloc-ed memory automatically freed?

Let's say I have the following C code: 9 Answers 9 ...
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Best way to detect when a user leaves a web page?

...u tracked if the form changed and only prompt if it did - so it's not annoying. – adam0101 Sep 10 '10 at 21:13 ...
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What is the difference between CMD and ENTRYPOINT in a Dockerfile?

In Dockerfiles there are two commands that look similar to me: CMD and ENTRYPOINT . But I guess that there is a (subtle?) difference between them - otherwise it would not make any sense to have two commands for the very same thing. ...
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Count the items from a IEnumerable without iterating?

Let's say I want iterate on those and write something like processing #n of #m. 19 Answers ...
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How to determine the memory footprint (size) of a variable?

Is there a function in PHP (or a PHP extension) to find out how much memory a given variable uses? sizeof just tells me the number of elements/properties. ...
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How do I keep CSS floats in one line?

I want to have two items on the same line using float: left for the item on the left. 10 Answers ...
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Difference between viewDidLoad and viewDidAppear

What is the difference between viewDidLoad and viewDidAppear ? What kind of initialization or custom code goes into those functions? ...
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Save icon: Still a floppy disk? [closed]

I'm working on a project where the user is able to save their work (most likely to the HDD but also possibly any other media, including floppy disks). Sure, the popular File > Save option is there but what about a toolbar button? ...
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defaultdict of defaultdict?

Is there a way to have a defaultdict(defaultdict(int)) in order to make the following code work? 6 Answers ...