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Entity Framework 4 Single() vs First() vs FirstOrDefault()
...ing a devil of a time finding a comparison of the different ways to query for a single item, and when to use each.
6 Answer...
Test for multiple cases in a switch, like an OR (||)
How would you use a switch case when you need to test for a or b in the same case?
6 Answers
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Choose between ExecutorService's submit and ExecutorService's execute
How should I choose between ExecutorService's submit or execute , if the returned value is not my concern?
7 Answers
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How to set or change the default Java (JDK) version on OS X?
...tents/Home
Pick the version you want to be the default (1.6.0_65-b14-462 for arguments sake) then:
export JAVA_HOME=`/usr/libexec/java_home -v 1.6.0_65-b14-462`
or you can specify just the major version, like:
export JAVA_HOME=`/usr/libexec/java_home -v 1.8`
Now when you run java -version you wil...
implements Closeable or implements AutoCloseable
...have posted, you don't need to implement AutoCloseable.
You only have to (or should) implement Closeable or AutoCloseable if you are about to implement your own PrintWriter, which handles files or any other resources which needs to be closed.
In your implementation, it is enough to call pw.close()...
How to install Android SDK Build Tools on the command line?
...s not include the build tools in the list. They're in the "obsolete" category. To see all available downloads, use
android list sdk --all
And then to get one of the packages in that list from the command line, use:
android update sdk -u -a -t <package no.>
Where -u stands for --no-ui,...
Execution of Python code with -m option or not
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When you use the -m command-line flag, Python will import a module or package for you, then run it as a script. When you don't use the -m flag, the file you named is run as just a script.
The distinction is important when you try to run a package. There is a big difference betwe...
or (HTML5)
W3Schools.com and I'm pretty sure I remember seeing W3C.org state that <menu> should be used for Toolbar menus and listing form control commands.
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Need some clarification about beta/alpha testing on the developer console
The Android developer console has 3 tabs for publishing the app's apk file:
alpha, beta and production, as shown here:
4 An...
Moment JS - check if a date is today or in the future
I am trying to use momentjs to check if a given date is today or in the future.
17 Answers
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