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How do short URLs services work?
How do services like TinyURL or Metamark work?
Do they simply associate the tiny URL key with a [virtual?] web page which merely provide an "HTTP redirect" to the original URL? or is there more "magic" to it ?
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Convert java.util.Date to String
I want to convert a java.util.Date object to a String in Java.
18 Answers
18
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Maximum size of a element
I'm working with a canvas element with a height of 600 to 1000 pixels and a width of several tens or hundreds of thousands of pixels. However, after a certain number of pixels (obviously unknown), the canvas no longer display shapes I draw with JS.
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In Gradle, how do I declare common dependencies in a single place?
In Maven there is a very useful feature when you can define a dependency in the <dependencyManagement> section of the parent POM, and reference that dependency from child modules without specifying the version or scope or whatever.
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Generate an integer that is not among four billion given ones
I have been given this interview question:
38 Answers
38
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Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
I've been hearing a lot about the PyPy project. They claim it is 6.3 times faster than the CPython interpreter on their site .
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Find running median from a stream of integers
Solution I have read: We can use a max heap on left side to represent elements that are less than the effective median, and a min heap on right side to represent elements that are greater than the effective median.
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Only variables should be passed by reference
Any ideas? After 2 days still stuck.
12 Answers
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Why use make over a shell script?
Make seems to me simply a shell script with slightly easier handling of command line arguments.
5 Answers
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How to get the contents of a webpage in a shell variable?
In Linux how can I fetch an URL and get its contents in a variable in shell script?
6 Answers
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