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JavaScript file upload size validation

...ed by some modern browsers, the File API. It can be used for this purpose, and it's easy to test whether it's supported and fall back (if necessary) to another mechanism if it isn't. Here's a complete example: <!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-type" conte...
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What does the comma operator , do?

...ression2) First expression1 is evaluated, then expression2 is evaluated, and the value of expression2 is returned for the whole expression. share | improve this answer | fo...
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O(nlogn) Algorithm - Find three evenly spaced ones within binary string

I had this question on an Algorithms test yesterday, and I can't figure out the answer. It is driving me absolutely crazy, because it was worth about 40 points. I figure that most of the class didn't solve it correctly, because I haven't come up with a solution in the past 24 hours. ...
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How do I kill background processes / jobs when my shell script exits?

... kill $(jobs -p) doesn't work in dash, because it executes command substitution in a subshell (see Command Substitution in man dash) – user1431317 Jun 15 '17 at 13:37 1...
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Officially, what is typename for?

... week, I was declaring two iterators as members of another templated class and I had to do this)... 8 Answers ...
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What is the main difference between Inheritance and Polymorphism?

... was presented with this question in an end of module open book exam today and found myself lost. I was reading Head first Java and both definitions seemed to be exactly the same. I was just wondering what the MAIN difference was for my own piece of mind. I know there are a number of similar questi...
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Add regression line equation and R^2 on graph

I wonder how to add regression line equation and R^2 on the ggplot . My code is: 9 Answers ...
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What is the Scala identifier “implicitly”?

...ave seen a function named implicitly used in Scala examples. What is it, and how is it used? 3 Answers ...
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mkdir's “-p” option

...oes in Unix. I used it for a lab assignment while creating a subdirectory and then another subdirectory within that one. It looked like this: ...
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How to Set a Custom Font in the ActionBar Title?

...not the tab text) with a font in my assets folder? I don't want to use the android:logo option. 17 Answers ...