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Turning a string into a Uri in Android
...he doc http://developer.android.com/reference/android/net/Uri.html#parse%28java.lang.String%29
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What version of javac built my jar?
How can I tell what version of the Java compiler was used to build a jar? I have a jar file, and it could have been built in any one of three JDKs. We need to know exactly which one, so we can certify compatibility. Is the compiler version embedded somewhere in the class files or jar?
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Bad class file magic or version
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my JAVA_HOME variable changed to Java 1.8 and I got this error message when compiling a pure java module as a dependency of my android project.
build.gradle of the java module
apply plugin: 'java'
Solution #1: Quick an dirty...
How to set time zone of a java.util.Date?
I have parsed a java.util.Date from a String but it is setting the local time zone as the time zone of the date object.
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javax vs java package
What's the rationale behind the javax package? What goes into java and what into javax?
7 Answers
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Evaluate if list is empty JSTL
...'s also the function tags, a bit more flexible:
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>
<c:if test="${fn:length(list) > 0}">
And here's the tag documentation.
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Convert dmesg timestamp to custom date format
...stand the dmesg timestamp and find it hard to convert that to change it to java date/custom date format.
8 Answers
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Remove Item from ArrayList
...o use ListIterator remove() method for removing objects from Collection in Java, because there may be chance that another thread is modifying the same collection and could leads to ConcurrentModificationException.
– Min2
Jun 21 '18 at 3:05
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How to subtract X day from a Date object in Java?
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Java 8 and later
With Java 8's date time API change, Use LocalDate
LocalDate date = LocalDate.now().minusDays(300);
Similarly you can have
LocalDate date = someLocalDateInstance.minusDays(300);
Refer to https://stackov...
SQlite Getting nearest locations (with latitude and longitude)
...pproximation and decrease amount of data that you need to evaluate in your java code. Use the following procedure for this purpose:
To have a deterministic threshold and more accurate filter on data, It is better to calculate 4 locations that are in radius meter of the north, west, east and south o...