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Implement Stack using Two Queues
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194
Version A (efficient push):
push:
enqueue in queue1
pop:
while size of queue1 is bigger ...
How to convert array values to lowercase in PHP?
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edited Dec 11 '19 at 4:04
answered Jun 13 '12 at 5:03
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Scala best way of turning a Collection into a Map-by-key?
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234
You can use
c map (t => t.getP -> t) toMap
but be aware that this needs 2 traversals.
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How to find elements by class
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684
You can refine your search to only find those divs with a given class using BS3:
mydivs = soup....
Easiest way to convert int to string in C++
... of std::string.
#include <string>
std::string s = std::to_string(42);
is therefore the shortest way I can think of. You can even omit naming the type, using the auto keyword:
auto s = std::to_string(42);
Note: see [string.conversions] (21.5 in n3242)
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Convert file: Uri to File in Android
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4
What is the difference between the two? What does toString do?
– Merlyn Morgan-Graham
Dec 4 '11 at 0...
How to chain scope queries with OR instead of AND?
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edited May 9 '13 at 18:41
maerics
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answer...
How to use regex with find command?
...have some images named with generated uuid1 string. For example 81397018-b84a-11e0-9d2a-001b77dc0bed.jpg. I want to find out all these images using "find" command:
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What are “named tuples” in Python?
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1224
Named tuples are basically easy-to-create, lightweight object types. Named tuple instances can ...
How do I add files and folders into GitHub repos?
... run git commit -m 'Added README'
$ git commit -m 'Added README'
[master 6402a2e] Added README
0 files changed, 0 insertions(+), 0 deletions(-)
create mode 100644 README
Finally, git push -u origin master to push the remote branch master for the repository origin.
$ git push -u origin master...