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What is pip's equivalent of `npm install package --save-dev`?
...ject with an existing requirements.txt, installing all requirements (I use Python3.7 but you can remove the --three if you do not) is as simple as:
pipenv --three install
Activating the virtualenv to run commands is also easy
pipenv shell
Installing requirements will automatically update the P...
Generate list of all possible permutations of a string
...
Non recursive solution according to Knuth, Python example:
def nextPermutation(perm):
k0 = None
for i in range(len(perm)-1):
if perm[i]<perm[i+1]:
k0=i
if k0 == None:
return None
l0 = k0+1
for i in range(k0+1, len...
How do you manage databases in development, test, and production?
...red Aug 17 '08 at 9:38
Juha SyrjäläJuha Syrjälä
30k3030 gold badges121121 silver badges171171 bronze badges
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Soft hyphen in HTML ( vs. ­)
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&shy; is a soft hyphen, i.e., U+00AD: SOFT HYPHEN. For example,
innehålls&shy;förteckning
might be rendered as
innehållsförteckning
or as
innehålls-
förteckning
As of today, soft hyphens work in Firefox, Chrome, and Internet Explorer.
The wbr element
The wbr element is a wo...
Alter a MySQL column to be AUTO_INCREMENT
... answered Jan 30 '10 at 19:22
Håvard SHåvard S
20.4k55 gold badges5555 silver badges6767 bronze badges
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How to check if string input is a number? [duplicate]
...t things like 4.1 when technically only 4 is valid. It is also against the python mentality to have secret conversions like this happening and I would prefer to do strict checks at my public interface
– Peter R
Feb 19 '15 at 14:24
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Bootstrap table without stripe / borders
...hows borders, so I need to know why. Any ideas?
– GµårÐïåñ
Sep 2 at 19:23
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How do I list all files of a directory?
How can I list all files of a directory in Python and add them to a list ?
21 Answers
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What does middleware and app.use actually mean in Expressjs?
...note. No other answer mentions this. For a beginner who has worked only on python this is extremely important as these things might have never been encountered.
– Dheeraj M Pai
Dec 29 '19 at 22:12
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Why does the PHP json_encode function convert UTF-8 strings to hexadecimal entities?
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This also works with Danish letters Æ,æ,Ø,ø,Å,å Thank you!
– ymerdrengene
Jan 22 '16 at 11:23
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