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How do you iterate through every file/directory recursively in standard C++?
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From C++17 onward, the <filesystem> header, and range-for, you can simply do this:
#include <filesystem>
using recursive_directory_iterator = std::filesystem::recursive_directory_iterator;
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for (const auto& dirEntry : recursive_directory_iterator(myPath))
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How to pip install a package with min and max version range?
...uestions%2f8795617%2fhow-to-pip-install-a-package-with-min-and-max-version-range%23new-answer', 'question_page');
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What does the “map” method do in Ruby?
...s you use map!):
[1, 2, 3].map { |n| n * n } #=> [1, 4, 9]
Array and Range are enumerable types. map with a block returns an Array. map! mutates the original array.
Where is this helpful, and what is the difference between map! and each? Here is an example:
names = ['danil', 'edmund']
# he...
Iterate through a C++ Vector using a 'for' loop
...While using iterators it is hard to go wrong with certain cases like empty ranges and the code is more verbose.Ofcourse its a matter or perception and choice, So it can be debated endlessly.
– Alok Save
Oct 3 '12 at 7:08
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How to delete history of last 10 commands in shell?
...ry 1 | awk '{print $1}'
Putting it together you can use this to delete a range, and also delete the history delete command:
for h in $(seq 1006 1008); do history -d 1006; done; history -d $(history 1 | awk '{print $1}')
Wrap this all up in a function to add to your ~/.bashrc:
histdel(){
for ...
Node.js throws “btoa is not defined” error
...u can't even input a string that contains characters outside of the latin1 range into btoa(), as it will throw an exception: Uncaught DOMException: Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the Latin1 range.
Therefore, you need to explicitly set t...
Reintegrate can only be used if revisions X through Y were previously merged from to reintegra
...but this is not the
case:
branches/bronze_services/occl
Missing ranges: /trunk/occl:650-693
I've seen a number of workarounds on Google but they made me nervous as 'hacks'. To address it I decided to do just what subversion is hinting at in the message. I went back to my branch and expl...
Remove the legend on a matplotlib figure
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fig = plt.figure()
ax1 = fig.add_subplot(111)
ax2 = ax1.twinx()
ax1.plot(range(10), range(10, 20), label='line 1')
ax2.plot(range(10), range(30, 20, -1), label='line 2')
fig.legend()
fig.legends = []
plt.show()
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How do I make an attributed string using Swift?
..., which starts at index 17 and has a length of 7. Notice that this is an NSRange and not a Swift Range. (See this answer for more about Ranges.) The addAttribute method lets us put the attribute key name in the first spot, the attribute value in the second spot, and the range in the third spot.
var...
How to print colored text in Python?
...on example code from the answer: It should be noted that the colors in the range 90-97 and 100-107 are non-standard and, indeed, on my terminal they don't all give the colors indicated by the variable names. It's better to use the standard ranges 30-37 and 40-47. Source: en.wikipedia.org/wiki/…
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