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Command line progress bar in Java
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pb.stepTo(n); // step directly to n
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pb.maxHint(n);
// reset the max of this progress bar as n. This may be useful when the program
// gets new information about the current progress.
// Can set n to be less than zero: this means that this progress bar would become
// indefin...
What are the “standard unambiguous date” formats for string-to-date conversion in R?
... the column were successfully converted to <date>. Unfortunately, it set the year to '1400' instead of '2020'. ¯_(ツ)_/¯
– owlstone
May 23 at 18:38
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SortedList, SortedDictionary and Dictionary
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Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...ded to the standards before C++11, you have to remember that the standards-setting bodies have specific guidelines to follow. For example, ANSI C was specifically tasked to codify existing practice, not to create a new language. Otherwise, they could have gone crazy and given us Ada :-)
Later itera...
Python: fastest way to create a list of n lists
...al and can be extended in a variety of situations, after having read a dataset.
Method 1: Conceptual
X2=[]
X1=[1,2,3]
X2.append(X1)
X3=[4,5,6]
X2.append(X3)
X2 thus has [[1,2,3],[4,5,6]] ie a list of lists.
Method 2 : Formal and extensible
Another elegant way to store a list as a list of lists...
How does std::forward work? [duplicate]
...value, you'll be performing an additional totally unnecessary copy.)
void set(const std::vector<T> & v) { _v = v; }
This is all fine if you have an lvalue in your hand, but what about an rvalue? Suppose that the vector is the result of calling a function makeAndFillVector(). If you perf...
Retrieve only static fields declared in Java class
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How to kill a child process after a given timeout in Bash?
...a bash script that launches a child process that crashes (actually, hangs) from time to time and with no apparent reason (closed source, so there isn't much I can do about it). As a result, I would like to be able to launch this process for a given amount of time, and kill it if it did not return su...
How to remove files and directories quickly via terminal (bash shell) [closed]
...he right thing. You can specify these with -r or not; it's an independent setting.
And as usual, you can combine switches: rm -r -i is just rm -ri, and rm -r -f is rm -rf.
Also note that what you're learning applies to bash on every Unix OS: OS X, Linux, FreeBSD, etc. In fact, rm's syntax is the...
CSS Image size, how to fill, not stretch?
I have an image, and I want to set it a specific width and height (in pixels)
15 Answers
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