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How to subtract X day from a Date object in Java?
...ZoneId.systemDefault()).toInstant());
Java 7 and earlier
Use Calendar's add() method
Calendar cal = Calendar.getInstance();
cal.setTime(dateInstance);
cal.add(Calendar.DATE, -30);
Date dateBefore30Days = cal.getTime();
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jQuery first child of “this”
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Community♦
111 silver badge
answered Feb 16 '10 at 19:34
Shog9Shog9
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Why does (0 < 5 < 3) return true?
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Alan GeleynseAlan Geleynse
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req.body empty on posts
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answered Jul 3 '14 at 15:18
Mick CullenMick Cullen
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.NET XML serialization gotchas? [closed]
...Mark. Of course, the ways to use or not use the BOM are almost the same:
BAD (includes BOM):
XmlTextWriter wr = new XmlTextWriter(stream, new System.Text.Encoding.UTF8);
GOOD:
XmlTextWriter wr = new XmlTextWriter(stream, new System.Text.UTF8Encoding(false))
You can explicitly pass false to i...
Autocompletion in Vim
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michaelmichaelmichaelmichael
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URL encoding in Android
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JJD
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answered Jul 20 '10 at 0:27
yanchenkoyanchenko
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Jquery insert new row into table at a certain index
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Nick Craver♦Nick Craver
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Django template how to look up a dictionary value with a variable
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javidazac
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answered Nov 3 '11 at 18:31
culebrónculebrón
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How to clear the cache in NetBeans
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Dave Jarvis
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answered Dec 31 '11 at 21:36
William ScottWilliam Scott...