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What does Provider in JAX-RS mean?
...tomizing the JAX-RS runtime. You can think of them as plugins that (potentially) alter the behavior of the runtime, in order to accomplish a set of (program defined) goals.
Providers are not the same as resources classes, they exist, conceptually, at a level in-between resources classes and the JAX...
How to set environment variables in Python?
...EBUSSY'] = str(myintvariable)
then for retrieval, consider that to avoid errors, you should try
os.environ.get('DEBUSSY', 'Not Set')
possibly substitute '-1' for 'Not Set'
so, to put that all together
myintvariable = 1
os.environ['DEBUSSY'] = str(myintvariable)
strauss = int(os.environ.get('S...
Elegant way to check for missing packages and install them?
... work, at least for me. When I tried the robust version of this, I get two error messages as R doesn't know how to handle "return True" and "return eval" for some reason. So I would really like a function like this that loads a package if present in my library and otherwise installs (and afterwards ...
Are there any downsides to passing structs by value in C, rather than passing a pointer?
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Simple solution will be return an error code as a return value and everything else as a parameter in the function,
This parameter can be a struct of course but don't see any particular advantage passing this by value, just sent a pointer.
Passing structure by...
How to var_dump variables in twig templates?
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I get the following error: ` Twig_Error_Syntax - Unknown "dump" function`
– Pathros
Sep 21 '16 at 19:18
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How does the vim “write with sudo” trick work?
Many of you have probably seen the command that allows you to write on a file that needs root permission, even when you forgot to open vim with sudo:
...
MongoDB drop every database
..."dropping db " + db.getName() );
db.dropDatabase();
}
save it to dropall.js and then execute:
mongo dropall.js
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Two versions of python on linux. how to make 2.7 the default
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You probably don't actually want to change your default Python.
Your distro installed a standard system Python in /usr/bin, and may have scripts that depend on this being present, and selected by #! /usr/bin/env python. You can usually get away wi...
What is the difference between a “function” and a “procedure”?
...o those in Pascal. A procedure can contain return statements.". Is this an error in the text? Or does it mean that it can have return statements but don't return any values?
– jviotti
Jan 14 '15 at 23:24
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Handling specific errors in JavaScript (think exceptions)
How would you implement different types of errors, so you'd be able to catch specific ones and let others bubble up..?
One way to achieve this is to modify the prototype of the Error object:
...