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How do I measure time elapsed in Java? [duplicate]
... System.nanoTime(). You cannot use System.currentTimeMillis(), unless you don't mind your result being wrong.
The purpose of nanoTime is to measure elapsed time, and the purpose of currentTimeMillis is to measure wall-clock time. You can't use the one for the other purpose. The reason is that no c...
How do I get the name of the active user via the command line in OS X?
How do I get the name of the active user via the command line in OS X?
12 Answers
12
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How do I toggle an element's class in pure JavaScript?
...lder browsers can use use classlist.js for classList.toggle():
var menu = document.querySelector('.menu') // Using a class instead, see note below.
menu.classList.toggle('hidden-phone');
As an aside, you shouldn't be using IDs (they leak globals into the JS window object).
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AngularJS : When to use service instead of factory
...es.
So, use a factory when you have complex logic in your service and you don't want expose this complexity.
In other cases if you want to return an instance of a service just use service.
But you'll see with time that you'll use factory in 80% of cases I think.
For more details: http://blog.m...
Why are Subjects not recommended in .NET Reactive Extensions?
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Ok,
If we ignore my dogmatic ways and ignore "subjects are good/bad" all together. Let us look at the problem space.
I bet you either have 1 of 2 styles of system you need to ingrate to.
The system raises an event or a call back when a messag...
How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
...u could use it to turn [1, 2, ['foo', 'bar']] into [1,2,'foo','bar'].
I'm doubtless forgetting some approaches, but you can concatenate:
a1.concat a2
a1 + a2 # creates a new array, as does a1 += a2
or prepend/append:
a1.push(*a2) # note the asterisk
a2.unshift(*a1) # n...
Run a Python script from another Python script, passing in arguments [duplicate]
... believe it's generally preferable to use subprocess.Popen over os.system: docs.python.org/library/subprocess.html#replacing-os-system.
– Katriel
Sep 23 '10 at 20:15
9
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How do I create a multiline Python string with inline variables?
...ean way to use variables within a multiline Python string. Say I wanted to do the following:
7 Answers
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Why is the use of alloca() not considered good practice?
...he reason given in the man page is justified.
– j_random_hacker
Jun 27 '10 at 13:22
52
My point i...
What is the use of Enumerable.Zip extension method in Linq?
...like this answer because it shows what happens when the number of elements doesn't match up, similar to the msdn documentation
– DLeh
Sep 9 '14 at 19:05
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