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List of installed gems?
Is there a Ruby method I can call to get the list of installed gems?
11 Answers
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Delete all files in directory (but not directory) - one liner solution
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Note, we found calling rm -rf directory was much more efficient than using FileUtils.cleanDirectory.
– Joshua Pinter
Oct 16 '19 at 18:50
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Are static class instances unique to a request or a server in ASP.NET?
...uest, or are they instantiated whenever needed and GCed whenever the GC decides to disposed of them?
5 Answers
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Backing beans (@ManagedBean) or CDI Beans (@Named)?
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CDI is preferred over plain JSF because CDI allows for JavaEE-wide dependency injection. You can also inject POJOs and let them be managed. With JSF you can only inject a subset of what you can with CDI.
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Unignore subdirectories of ignored directories in Git
...tuff/keep/
!/uploads/rubbish/stuff/keep/*
To include subdirectories inside /uploads/rubbish/stuff/keep/ add the third line:
!/uploads/rubbish/stuff/keep/**/*
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Bootstrapping still requires outside support
... the other hand, if you were creating a compiler for a new language, let's call it Yazzleof, you would need to write the new compiler in another language first. Generally, this would be another programming language, but it doesn't have to be. It can be assembly, or if necessary, machine code.
If ...
How can I set multiple CSS styles in JavaScript?
...opertyObject)
elem.style[property] = propertyObject[property];
}
and call it like this
setStyle('myElement', {'fontsize':'12px', 'left':'200px'});
for the values of the properties inside the propertyObject you can use variables..
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Disable migrations when running unit tests in Django 1.7
...e syncdb did in 1.6. I defined a new settings module just for unit
tests called "settings_test.py", which imports * from the main
settings module and adds this line:
MIGRATION_MODULES = {"myapp": "myapp.migrations_not_used_in_tests"}
Then I run tests like this:
DJANGO_SETTINGS_MOD...
typedef fixed length array
...e sample. I put typedef char[3] type24; in my header file. The compiler did not complain about it. But when I defined a function void foo(type24 val) {} in my C file, it did complain. I would like to be able to define functions like type24_to_int32(type24 val) instead of type24_to_int32(char ...
Padding or margin value in pixels as integer using jQuery
...dix" parameter which defines the numeral system used on the conversion, so calling parseInt(jQuery('#something').css('margin-left'), 10); returns the left margin as an Integer.
This is what JSizes use.
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