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how to check the jdk version used to compile a .class file [duplicate]
...lled MyClass):
On Unix/Linux:
javap -verbose MyClass | grep "major"
On Windows:
javap -verbose MyClass | findstr "major"
You want the major version from the results. Here are some example values:
Java 1.2 uses major version 46
Java 1.3 uses major version 47
Java 1.4 uses major version 48
Ja...
Show pending migrations in rails
...rting to
rake db:migrate:status | grep down (might not work if you're on Windows)
ActiveRecord::Migration.check_pending! (raises ActiveRecord::PendingMigrationError that you need to rescue)
you can use needs_migration? method:
https://apidock.com/rails/v4.0.2/ActiveRecord/Migrator/needs_migrati...
Java equivalent to Explode and Implode(PHP) [closed]
...tside of the Java platform, can be different across OS platforms (Solaris, Windows, Linux, Macintosh, etc.) and can change at any time without notice with SDK versions
– Arnaud Denoyelle
May 27 '13 at 13:00
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How to change the output color of echo in Linux
... to the terminal's default
tput bel # Play a bell
With compiz wobbly windows, the bel command makes the terminal wobble for a second to draw the user's attention.
Scripts
tput accepts scripts containing one command per line, which are executed in order before tput exits.
Avoid temporary f...
Is there a Google Voice API? [closed]
...t will still work best in other unrestricted JS environments like node.js, Windows Scripting Host, Rhino engine, and browser extensions/add-ons/widgets.
– David
Feb 1 '12 at 8:25
...
How do I change screen orientation in the Android emulator?
...n Mac to change the landscape to portrait and vice versa.
left-ctrl+F11on Windows 7.
ctrl+F11on Linux.
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Redirect to external URI from ASP.NET MVC controller
...aScript
public ActionResult Index()
{
return Content("<script>window.location = 'http://www.example.com';</script>");
}
Note: As @Jeremy Ray Brown said , This is not the best option but you might find useful in some situations.
Hope this helps.
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How to get Activity's content view?
...
this.getWindow().getDecorView().findViewById(android.R.id.content)
or
this.findViewById(android.R.id.content)
or
this.findViewById(android.R.id.content).getRootView()
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How to create strings containing double quotes in Excel formulas?
...
@Ivanoats: Nope, it's not a Mac thing (using Windows here) - this does work more consistently; in my case, concatenating using & with a double quote just before or just after the ampersand didn't work using the double-double-quote method.
– Amo...
Determining memory usage of objects? [duplicate]
...ion, memory.size() but i have heard and read that it only seems to work on Windows. It just returns a value in MB; so to get max memory used at any time in the session, use memory.size(max=T)).
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