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How to break out from a ruby block?
...
def first_frog
detect {|i| i =~ /frog/ }
end
def last_frog
select {|i| i =~ /frog/ }.last
end
end
p ["dog", "cat", "godzilla", "dogfrog", "woot", "catfrog"].first_frog
# => "dogfrog"
p ["hats", "coats"].first_frog
# => nil
p ["houses", "frogcars", "bottles", "superfrogs"].la...
How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version
...t; Properties -> Java Compiler Enable project specific settings. Then select Compiler Compliance Level to 1.7, 1.6 or 1.5, build and test your app.
– Vivek Kumar Ray
Aug 16 '13 at 9:55
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How to force garbage collector to run?
...et Framework does this automatically but just in case.
First, make sure to select what you want to erase, and then call the garbage collector:
randomClass object1 = new randomClass
...
...
// Give a null value to the code you want to delete
object1 = null;
// Then call the garbage collector to eras...
Permission denied for relation
...O <role>;
e.g.
ALTER DEFAULT PRIVILEGES IN SCHEMA public
GRANT SELECT, INSERT, UPDATE, DELETE ON TABLES TO admin;
If you use SERIAL or BIGSERIAL columns then you will probably want to do the same for SEQUENCES, or else your INSERT will fail (Postgres 10's IDENTITY doesn't suffer from t...
How to get the children of the $(this) selector?
... parameter called context which can be used to override the context of the selection.
jQuery("img", this);
Which is the same as using .find() like this:
jQuery(this).find("img");
If the imgs you desire are only direct descendants of the clicked element, you can also use .children():
jQuery(t...
YAML mime type?
...here is no default value. Finally, the "UTF-8" charset [RFC3629] SHOULD be selected as the default.. There is no formal definition of text/yaml nor text/x-yaml, so the default is UTF-8.
– aef
May 6 '16 at 10:04
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Copy object values in Visual Studio debug mode
...
You can add a watch for that object, and in the watch window, expand and select everything you want to copy and then copy it.
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Why is printing “B” dramatically slower than printing “#”?
... and click Options. After that click Editor and go to Formatting tab. Then select Anywhere in Line Wrap Option. It will take almost 6.24% less time to compile the program.
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Hibernate show real SQL [duplicate]
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select this_.code from true.employee this_ where this_.code=? is what will be sent to your database.
this_ is an alias for that instance of the employee table.
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ADB Install Fails With INSTALL_FAILED_TEST_ONLY
...uses). If
you want a debuggable APK that people can install without adb, select
your debug variant and click Build > Build APK(s).
Same goes for release build, with Android Studio 3 you need to go to Build > Build APK(s) to have a non testable release apk that you can submit to the store...