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When should I use Lazy?
... and may use some locking overhead (or sacrifices thread safety if not) to do so. Thus, it should be chosen carefully and not used unless needed.
– James Michael Hare
Jun 11 '13 at 20:23
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How do I generate random integers within a specific range in Java?
How do I generate a random int value in a specific range?
66 Answers
66
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How to keep a git branch in sync with master
At the moment git is doing my head in, I cannot come up with the best solution for the following.
6 Answers
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Test a weekly cron job [closed]
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Just do what cron does, run the following as root:
run-parts -v /etc/cron.weekly
... or the next one if you receive the "Not a directory: -v" error:
run-parts /etc/cron.weekly -v
Option -v prints the script names before they...
How do you share constants in NodeJS modules?
Currently I'm doing this:
13 Answers
13
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How can I find the location of origin/master in git, and how do I change it?
... master
A remote is basically a link to a remote repository. When you do..
git remote add unfuddle me@unfuddle.com/myrepo.git
git push unfuddle
..git will push changes to that address you added. It's like a bookmark, for remote repositories.
When you run git status, it checks if the remote ...
What does the exclamation mark do before the function?
...turns it into an expression. It is now a function expression.
The ! alone doesn't invoke the function, of course, but we can now put () at the end: !function foo() {}() which has higher precedence than ! and instantly calls the function.
So what the author is doing is saving a byte per function ex...
Do you (really) write exception safe code? [closed]
...st, and then, answer the hidden question behind them.
Answering questions
Do you really write exception safe code?
Of course, I do.
This is the reason Java lost a lot of its appeal to me as a C++ programmer (lack of RAII semantics), but I am digressing: This is a C++ question.
It is, in fact, nece...
How do Python functions handle the types of the parameters that you pass in?
...y operations on the object are delegated to its type.
This has nothing to do with names. A name in Python doesn't "have a type": if and when a name's defined, the name refers to an object, and the object does have a type (but that doesn't in fact force a type on the name: a name is a name).
A nam...
JSON left out Infinity and NaN; JSON status in ECMAScript?
...t (as is undefined) and as such can be changed. It's for that reason JSON doesn't include them in the spec -- in essence any true JSON string should have the same result in EcmaScript if you do eval(jsonString) or JSON.parse(jsonString).
If it were allowed then someone could inject code akin to
N...