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How can I initialize an ArrayList with all zeroes in Java?

It looks like arraylist is not doing its job for presizing: 5 Answers 5 ...
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Turning off some legends in a ggplot

Suppose I have a ggplot with more than one legend. 2 Answers 2 ...
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Hour from DateTime? in 24 hours format

So i have this DateTime? and what i want to do is to obtain the hour but show it in 24 hours format. For example: If the hour is 2:20:23 p.m. i want to convert it to 14:20 and that's it. ...
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What exactly is a Maven Snapshot and why do we need it?

I am a bit confused about the meaning of a Maven Snapshot and why we build one? 13 Answers ...
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How to generate a random int in C?

Is there a function to generate a random int number in C? Or will I have to use a third party library? 27 Answers ...
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How to create a custom string representation for a class object?

Consider this class: 5 Answers 5 ...
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jQuery event handlers always execute in order they were bound - any way around this? [duplicate]

It can be anoying that jQuery event handlers always execute in the order they were bound. For example: 10 Answers ...
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Why does Math.floor return a double?

Official Javadoc says that Math.floor() returns a double that is "equal to a mathematical integer", but then why shouldn't it return an int ? ...
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How to open a file for both reading and writing?

Is there a way to open a file for both reading and writing? 4 Answers 4 ...
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Python strptime() and timezones?

I have a CSV dumpfile from a Blackberry IPD backup, created using IPDDump. The date/time strings in here look something like this (where EST is an Australian time-zone): ...