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How to change Vagrant 'default' machine name?
Where does the name 'default' come from when launching a vagrant box?
7 Answers
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How do I get the find command to print out the file size with the file name?
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find . -name '*.ear' -exec ls -lh {} \;
just the h extra from jer.drab.org's reply. saves time converting to MB mentally ;)
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How to add test coverage to a private constructor?
...oblems for Sonar's code coverage tool (when I do this the class disappears from the code coverage reports of Sonar).
– Adam Parkin
Mar 22 '13 at 20:14
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The performance impact of using instanceof in Java
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Modern JVM/JIC ..COuld you please mention from which java version these optimiszation have been covered?
– Ravisha
Dec 3 '10 at 9:50
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Can someone explain the dollar sign in Javascript?
...riable means nothing special to the interpreter, much like an underscore.
From what I've seen, many people using jQuery (which is what your example code looks like to me) tend to prefix variables that contain a jQuery object with a $ so that they are easily identified and not mixed up with, say, in...
Why does volatile exist?
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volatile is needed if you are reading from a spot in memory that, say, a completely separate process/device/whatever may write to.
I used to work with dual-port ram in a multiprocessor system in straight C. We used a hardware managed 16 bit value as a semaphore ...
Test if characters are in a string
...prints to its output string.
Now, the grep program is basically a filter, from lines of input, to lines of output. And it seems that R's grep function similarly will take an array of inputs. For reasons that are utterly unknown to me (I only started playing with R about an hour ago), it returns a v...
How can I check if a command exists in a shell script? [duplicate]
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Check if a program exists from a Bash script specifically advises against using which.
– jww
Oct 16 '17 at 4:06
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How to check if an object is a generator object in python?
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You can use GeneratorType from types:
>>> import types
>>> types.GeneratorType
<class 'generator'>
>>> gen = (i for i in range(10))
>>> isinstance(gen, types.GeneratorType)
True
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Using ECMAScript 6
... very close to the desired result.
If you want to run ES6 syntax directly from the console, then you could try to overwrite the JavaScript evaluator of the console (such that Traceur preprocesor is run before executing the code). If you fancy doing this, have a look at this answer to learn how to m...