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Change Name of Import in Java, or import two classes with the same name
...one class and use the fully qualified name for the other one, i.e.
import com.text.Formatter;
private Formatter textFormatter;
private com.json.Formatter jsonFormatter;
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How to prove that a problem is NP complete?
I have problem with scheduling. I need to prove that the problem is NP complete. What can be the methods to prove it NP complete?
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What are the minimum margins most printers can handle?
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Stretch and scale a CSS image in the background - with CSS only
...ckground-size:cover.
This scales the image so that the background area is completely covered by the background image while maintaining the aspect ratio. The entire area will be covered. However, part of the image may not be visible if the width/height of the resized image is too great.
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How can I beautify JavaScript code using Command Line?
....org/, because it's what I found first. Downloads its file https://github.com/beautify-web/js-beautify/blob/master/js/lib/beautify.js
Second, download and install The Mozilla group's Java based Javascript engine, Rhino. "Install" is a little bit misleading; Download the zip file, extract everyth...
Using pre-compiled headers with CMake
... a few (old) posts on the 'net about hacking together some support for pre-compiled headers in CMake. They all seem a bit all-over the place and everyone has their own way of doing it. What is the best way of doing it currently?
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Which timestamp type should I choose in a PostgreSQL database?
...s fantastic and Option 3 is fine in the general case. It is, however, an incomplete view of time and timezones and can be supplemented:
Store the name of a user’s time zone as a user preference (e.g. America/Los_Angeles, not -0700).
Have user events/time data submitted local to their frame of re...
What's the difference between using CGFloat and float?
... is just a typedef for either float or double. You can see for yourself by Command-double-clicking on "CGFloat" in Xcode — it will jump to the CGBase.h header where the typedef is defined. The same approach is used for NSInteger and NSUInteger as well.
These types were introduced to make it easie...
What does the 'standalone' directive mean in XML?
...or not your parser actually does this is another question, but a standards-compliant validating parser (like a browser) should.
Note that if you do not specify a DTD, then the standalone declaration "has no meaning," so there's no reason to use it unless you also specify a DTD.
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Why would iterating over a List be faster than indexing through it?
...he beginning of the list and goes through every item. This means that your complexity is effectively O(N^2) just to traverse the list!
If instead I did this:
for(String s: list) {
System.out.println(s);
}
then what happens is this:
head -> print head -> item1 -> print item1 -> i...