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Convert LocalDate to LocalDateTime or java.sql.Timestamp
....parse(str, DATE_TME_FORMATTER);
UPDATE: postgres 9.4.1208, HSQLDB 2.4.0 etc understand Java 8 Time API without any conversations!
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How to subtract a day from a date?
...=-5)
It can similarly be used with other parameters e.g. seconds, weeks etc
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Passing a String by Reference in Java?
...t because it is the only general one. It allows also passing boolean, int, etc. Can you please explain a little bit more in details the performance of this solution - you claim that the first one is better from a performance point of view.
– meolic
Apr 26 '19 a...
Static Vs. Dynamic Binding in Java
...are discussed:
Definition of a procedure
Declaration of a name(variable, etc.)
Scope of the declaration
Dynamic Binding: Three problems that come across in the dynamic binding are as following:
Activation of a procedure
Binding of a name
Lifetime of a binding
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How to detect DIV's dimension changed?
...in: Uses a setTimeout checking all the time DOM layout props (clientHeight etc) where each check is very slow but needs to be checked often to have same functionality.
– Marc J. Schmidt
Sep 27 '16 at 14:01
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How do I “decompile” Java class files? [closed]
...with compilers from JDK 1.1.8 up to JDK 1.7.0, and others (Jikes, JRockit, etc.).
It features an online live demo version that is actually fully functional! You can just drop a jar file on the page and see the decompiled source code without installing anything.
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How to filter None's out of List[Option]?
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someList.filter(_.isDefined) if you want to keep the result type as List[Option[A]]
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What is JAXB and why would I use it? [closed]
...AXP), meaning that there are multiple implementations (Metro, EclipseLink, etc). If you have a problem with one you can switch to another implementation. You can also take advantage of extensions offered by different vendors.
– bdoughan
Jul 15 '10 at 18:32
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How can I generate random alphanumeric strings?
...retty much linearly when generating longer strings (so long as there's actually enough memory available). Having said that, Dan Rigby's answer was almost twice as fast as this one in every test.
– LukeH
Aug 28 '09 at 0:33
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Replacing NAs with latest non-NA value
...ewhat slower because it does some more checks and handles multiple columns etc.
– Achim Zeileis
Mar 2 '17 at 15:28
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