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round up to 2 decimal places in java? [duplicate]
...s 395034 is nearest long that is then divided by 100. However I think generally people would expect the result as 395.04.
– Vishal Saxena
Oct 3 '18 at 15:46
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Append values to a set in Python
...dd(onemorevalue)
But, of course, doing it in bulk with a single .update call is faster and handier, when otherwise feasible.
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vim line numbers - how to have them on by default?
... also why use gedit? what if it's a server? or gedit is just not installed? make more sense to use vim :)
– yonatan
Jun 14 '16 at 14:05
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Get characters after last / in url
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This cuts of the first character if there is no slash at all.
– redanimalwar
Nov 2 '15 at 13:55
@red...
Is there a command to list SVN conflicts?
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To use this same command on OSX, you need to install GNU grep because the BSD grep doesn't have the perl regex flag (-P)
– G.Rassovsky
Jun 15 '15 at 12:13
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Elevating process privilege programmatically?
I'm trying to install a service using InstallUtil.exe but invoked through Process.Start . Here's the code:
5 Answers
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HTML: How to create a DIV with only vertical scroll-bars for long paragraphs?
...selected area and want to use only vertical scroll-bar to go down and read all text.
10 Answers
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Subtract 7 days from current date
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Actually this can be done simply by: [now dateByAddingDays:-7]
– CrashOverride
Mar 5 '15 at 23:45
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Does PostgreSQL support “accent insensitive” collations?
...ch dictionary that removes accents (diacritic
signs) from lexemes.
Install once per database with:
CREATE EXTENSION unaccent;
If you get an error like:
ERROR: could not open extension control file
"/usr/share/postgresql/<version>/extension/unaccent.control": No such file or directory
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How can I check whether an array is null / empty?
....println("array is empty");
}
An alternative definition of "empty" is if all the elements are null:
Object arr[] = new Object[10];
boolean empty = true;
for (int i=0; i<arr.length; i++) {
if (arr[i] != null) {
empty = false;
break;
}
}
or
Object arr[] = new Object[10];
boolean e...