大约有 2,300 项符合查询结果（耗时：0.0184秒） [XML]
Good scalaz introduction [closed]
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Thanks a lot! I added these resources to my blog post: hacking-scala.posterous.com/scalaz-resources-for-beginners
– tenshi
Feb 20 '12 at 21:57
add a commen...
Installing pip packages to $HOME folder
... Anyway, I disagree, this is not a "neat solution". It's a pointless hack.
– nyuszika7h
Jan 18 '15 at 21:54
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How should I ethically approach user password storage for later plaintext retrieval?
... of security audits. The issue is not how difficult it would be for some "hacker" who got access to your database to recover the passwords. The vast majority of security threats are internal. What you need to protect against is some disgruntled employee walking off with all the passwords and sell...
How do I remove background-image in css?
...rude of him to downvote just for backwards compatibility that isn't even a hack, regardless of if he could reproduce it or not
– Kavi Siegel
Jun 19 '13 at 15:25
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Count number of occurrences of a pattern in a file (even on same line)
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Hack grep's color function, and count how many color tags it prints out:
echo -e "a\nb b b\nc\ndef\nb e brb\nr" \
| GREP_COLOR="033" grep --color=always b \
| perl -e 'undef $/; $_=<>; s/\n//g; s/\x1b\x5b\x30\x33\x33...
Using grep to search for a string that has a dot in it
...represent a subset of characters to match a single character to) is a nice hack.
– jringoot
Aug 7 '18 at 6:55
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How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?
...t; y = {'a': 1}
>>> dict(x.items() | y.items())
{'a': 2}
Another hack you should not use:
z = dict(x, **y)
This uses the dict constructor, and is very fast and memory efficient (even slightly more-so than our two-step process) but unless you know precisely what is happening here (that is,...
How to update Python?
...stall two different bit versions of Python together, it would require some hacking, so I'll save that exercise for the reader. If you don't want to hack, I suggest that if switching bit-versions, remove the other bit-version first.
UPDATES: 2016-05-16
Anaconda and MiniConda can be used with an ex...
How to write log base(2) in c/c++
...u want to make it fast, you could use a lookup table like in Bit Twiddling Hacks (integer log2 only).
uint32_t v; // find the log base 2 of 32-bit v
int r; // result goes here
static const int MultiplyDeBruijnBitPosition[32] =
{
0, 9, 1, 10, 13, 21, 2, 29, 11, 14, 16, 18, 22, 25, 3, 30,
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Order a MySQL table by two columns
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I been hacking with (-1)*field1, field2 for no reason on numeric fields...thanks.
– Asad Hasan
Jun 11 '14 at 22:50
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