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How can I format a String number to have commas and round?
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You might want to look at the DecimalFormat class; it supports different locales (eg: in some countries that would get formatted as 1.000.500.000,57 instead).
You also need to convert that string into a number, this can be done with:
double amo...
Convert DOS line endings to Linux line endings in Vim
...t for you.
There is documentation on the fileformat setting, and the Vim wiki has a comprehensive page on line ending conversions.
Alternately, if you move files back and forth a lot, you might not want to convert them, but rather to do :set ff=dos, so Vim will know it's a DOS file and use DOS conve...
Looking for simple Java in-memory cache [closed]
I'm looking for a simple Java in-memory cache that has good concurrency (so LinkedHashMap isn't good enough), and which can be serialized to disk periodically.
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Debugging with command-line parameters in Visual Studio
... the moment I just run the generated EXE file with the arguments I need (like this program.exe -file.txt ) , but this way I can't debug. Is there somewhere I can specify the arguments for debugging?
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How can I detect if a selector returns null?
...nce:
$.fn.exists = function () {
return this.length !== 0;
}
Used like:
$("#notAnElement").exists();
More explicit than using length.
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Key existence check in HashMap
Is checking for key existence in HashMap always necessary?
10 Answers
10
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Converting BigDecimal to Integer
...eption if you would lose information. That returns an int but autoboxing takes care of that.
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Check if a value exists in ArrayList
How can I check if a value that is written in scanner exists in an ArrayList ?
7 Answers
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What is the difference between the Eclipse Package Explorer and the Eclipse Project Explorer?
...ct Explorer
provides a hierarchical view of the
artifacts in the Workbench, which is
customized by the specific
configuration of your Workbench.
With only the java developer tools (JDT) installed the Project Explorer nearly looks and behaves for java projects as the Package Explorer (in...
getting the screen density programmatically in android?
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Ωmega
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answered Jul 2 '10 at 14:26
joshperryjoshpe...