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How many threads can a Java VM support?
... are several parameters here. The specific VM, plus there are usually run-time parameters on the VM as well. That's somewhat driven by the operating system: what support does the underlying OS have for threads and what limitations does it put on them? If the VM actually uses OS-level threads at a...
How do I change tab size in Vim?
Every time I add a selector in CSS and I press Enter to define the properties it ends up like this:
6 Answers
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Writing files in Node.js
...filename, data, [encoding], callback)
All data must be stored at the same time; you cannot perform sequential writes.
fs.createWriteStream(path, [options])
Creates a WriteStream, which is convenient because you don't need to wait for a callback. But again, it's not buffered.
A WriteStream, as th...
What is the (function() { } )() construct in JavaScript?
...se phases in our code by watching out for parsing errors, hoisting and run time errors. I personally haven't found many resources on this because it's too low level and it's not something that the programmer can control. You can find some sort of explanation in this SO post: stackoverflow.com/a/3456...
What is the difference between . (dot) and $ (dollar sign)?
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One application that is useful and took me some time to figure out from the very short description at learn you a haskell: Since:
f $ x = f x
and parenthesizing the right hand side of an expression containing an infix operator converts it to a prefix function, one can w...
difference between width auto and width 100 percent
...containing block plus any horizontal margin, padding and border.
So, next time you find yourself setting the width of a block level element to 100% to make it occupy all available width, consider if what you really want is setting it to auto.
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Pretty printing XML in Python
...o go from the core etree to pretty printing. While lxml is cool, there are times when I'd prefer to keep to the core if I can.
– Danny Staple
May 1 '12 at 16:05
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How can I reconcile detached HEAD with master/origin?
...understand how git works before you blindly run any commands. You can save time by not reading the big answer, but can lose more time if your work is lost.
– Yusufali2205
Mar 11 '19 at 16:15
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Peak memory usage of a linux/unix process
...sn't require you to start the process via another program like Valgrind or time, so you can use it for any process that's already running:
grep VmPeak /proc/$PID/status
(replace $PID with the PID of the process you're interested in)
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Creating a blocking Queue in .NET?
...od, but not in the Add method. What happens if one thread Adds at the same time as another thread Removes? Bad things.
Also consider that a method can return a second object that provides access to the first object's internal data - for example, GetEnumerator. Imagine one thread is going through th...