大约有 1,743 项符合查询结果（耗时：0.0213秒） [XML]
What's the equivalent of use-commit-times for git?
... 2,495 updated files
wine
# 13.53 seconds
# 443,979 log lines processed
# 91,703 commits evaluated
# 6,005 updated files
linux kernel
# 59.11 seconds
# 1,484,567 log lines processed
# 313,164 commits evaluated
# 40,902 updated files
...
Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
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91
The subtle difference is that 3NF makes a distinction between key and non-key attributes (also ...
Homebrew install specific version of formula?
...ql
postgresql
homebrew/versions/postgresql8 homebrew/versions/postgresql91
homebrew/versions/postgresql9 homebrew/versions/postgresql92
We can simply install it by typing
$ brew install homebrew/versions/postgresql8
Cloning into '/usr/local/Library/Taps/homebrew-versions'...
remote: Countin...
Is R's apply family more than syntactic sugar?
...me(z <- lapply(y, foo))
# user system elapsed
# 2.89 0.00 2.91
system.time(z <- vapply(y, foo, numeric(1)))
# user system elapsed
# 1.35 0.00 1.36
Jan. 1, 2020 update:
system.time({z1 <- numeric(1e6); for(i in seq_along(y)) z1[i] <- foo(y[i])})
# user syst...
What is the most efficient/elegant way to parse a flat table into a tree?
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Leniel Maccaferri
91.3k4040 gold badges331331 silver badges445445 bronze badges
answered Dec 22 '10 at 4:31
bobobobobob...
What's the difference between UTF-8 and UTF-8 without BOM?
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91
Here are examples of the BOM usage that actually cause real problems and yet many people don't ...
Is XSLT worth it? [closed]
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91
So much negativity!
I've been using XSLT for a good few years now, and genuinely love it. The ...
How come a non-const reference cannot bind to a temporary object?
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Tony DelroyTony Delroy
91k1010 gold badges149149 silver badges219219 bronze badges
...
How does a public key verify a signature?
...d 7ed2 088d 9675 801c fb9b 4f95 1...~....u....O.
00000010: c936 8cd0 0cc4 9159 33c4 9625 d752 5b77 .6.....Y3..%.R[w
00000020: 5bfc 988d 19fe d790 b633 191f 50cf 1bf7 [........3..P...
00000030: 34c0 7788 efa2 4967 848f 99e2 a442 91b9 4.w...Ig.....B..
00000040: 5fc7 6c79 40ea d0bc 6cd4 3c9a 488e 9...
What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
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91
Yes. They are different file formats (and their file extensions).
Wikipedia entries for each o...