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Python: Why is functools.partial necessary?
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269
What functionality does functools.partial offer that you can't get through lambdas?
Not m...
下拉刷新使用指导 · App Inventor 2 中文网
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How to manually deprecate members
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273
You can use the Available tag, for example :
@available(*, deprecated)
func myFunc() {
/...
CSS table-cell equal width
...o use table-layout: fixed; and some width on each cell to trigger it, here 2%. That will trigger the other table algorightm, the one where browsers try very hard to respect the dimensions indicated.
Please test with Chrome (and IE8- if needed). It's OK with a recent Safari but I can't remember the c...
How to overcome “datetime.datetime not JSON serializable”?
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32 Answers
32
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What is the difference between Left, Right, Outer and Inner Joins?
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edited Nov 2 '17 at 15:02
Dan C
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answered Jan 15 '09 at 19:18
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What is the 'pythonic' equivalent to the 'fold' function from functional programming?
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edited Sep 21 '19 at 0:30
goetzc
1,25111 gold badge2121 silver badges2828 bronze badges
a...
How to URL encode a string in Ruby
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str = "\x12\x34\x56\x78\x9a\xbc\xde\xf1\x23\x45\x67\x89\xab\xcd\xef\x12\x34\x56\x78\x9a".force_encoding('ASCII-8BIT')
puts CGI.escape str
=> "%124Vx%9A%BC%DE%F1%23Eg%89%AB%CD%EF%124Vx%9A"
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How to output only captured groups with sed?
... output as well as specifying what you do want.
string='This is a sample 123 text and some 987 numbers'
echo "$string" | sed -rn 's/[^[:digit:]]*([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)[^[:digit:]]*/\1 \2/p'
This says:
don't default to printing each line (-n)
exclude zero or more non-digits
in...
C# loop - break vs. continue
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edited Jul 8 '16 at 17:21
answered Aug 8 '08 at 21:51
Mi...