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Calculating days between two dates with Java
...me date2 = LocalDate.parse(inputString2, dtf);
long daysBetween = Duration.between(date1, date2).toDays();
System.out.println ("Days: " + daysBetween);
} catch (ParseException e) {
e.printStackTrace();
}
Note that this solution will give the number of actual 24 hour-days, not the numbe...
Disable time in bootstrap date time picker
I am using bootstrap date time picker in my web application, made in PHP/HTML5 and JavaScript. I am currently using one from here:
http://tarruda.github.io/bootstrap-datetimepicker/
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Clear android application user data
Using adb shell to clear application data
7 Answers
7
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Correct way to close nested streams and writers in Java [duplicate]
Note: This question and most of its answers date to before the release of Java 7. Java 7 provides Automatic Resource Management functionality for doing this easilly. If you are using Java 7 or later you should advance to the answer of Ross Johnson .
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Why are Docker container images so large?
...ependencies your installed software has.
I was able to make your installation significantly smaller by adding yum -y clean all to each line:
FROM fedora:latest
RUN yum -y install nano && yum -y clean all
RUN yum -y install git && yum -y clean all
It is important to do that for ea...
C# using streams
Streams are kind of mysterious to me. I don't know when to use which stream and how to use them. Can someone explain to me how streams are used?
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How to read a large file - line by line?
...with statement handles opening and closing the file, including if an exception is raised in the inner block. The for line in f treats the file object f as an iterable, which automatically uses buffered I/O and memory management so you don't have to worry about large files.
There should be one --...
Why aren't variables declared in “try” in scope in “catch” or “finally”?
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Two things:
Generally, Java has just 2 levels of scope: global and function. But, try/catch is an exception (no pun intended). When an exception is thrown and the exception object gets a variable assigned to it, that object variable is only available within the "catch" section and is destroyed ...
Why does PostgreSQL perform sequential scan on indexed column?
...ster than an index scan.
This is because an index scan requires several IO operations for each row (look up the row in the index, then retrieve the row from the heap). Whereas a sequential scan only requires a single IO for each row - or even less because a block (page) on the disk contains more...
Redefining NULL
...L pointer will remain undetected and at the same time cause dangerous behaviour.
7 Answers
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