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What's the difference between HEAD^ and HEAD~ in Git?
...e-ref failed" if $?;
# for browsing history - http://blog.kfish.org/2010/04/git-lola.html
system "git config alias.lol 'log --graph --decorate --pretty=oneline --abbrev-commit'";
system "git config alias.lola 'log --graph --decorate --pretty=oneline --abbrev-commit --all'";
It adds aliases in the...
【解决】bufferevent_openssl.c:228:19: error: storage size of \'methods...
...2。
最后将 libevent-2.1.11-stable.tar.bz2 放入/xunsearch-full-1.4.15/packages/ 目录下，继续执行 setup.sh，问题解决。
xunsearch libevent
What are bitwise operators?
... For example, reading an integer from four bytes:
int val = (A << 24) | (B << 16) | (C << 8) | D;
Assuming that A is the most-significant byte and D the least. It would end up as:
A = 01000000
B = 00000101
C = 00101011
D = 11100011
val = 01000000 00000101 00101011 11100011
...
Swap key with value JSON
...
answered Apr 11 '14 at 13:16
jPOjPO
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Convert sqlalchemy row object to python dict
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240
You may access the internal __dict__ of a SQLAlchemy object, like the following::
for u in ses...
Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]
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answered Mar 28 '09 at 23:48
Daniel EarwickerDaniel Earwicker
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Create array of all integers between two numbers, inclusive, in Javascript/jQuery [duplicate]
... BenBen
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10
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What's the meaning of interface{}?
...
194
You can refer to the article "How to use interfaces in Go" (based on "Russ Cox’s description o...
How can I read and parse CSV files in C++?
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304
If you don't care about escaping comma and newline,
AND you can't embed comma and newline in quo...
Counting the number of elements with the values of x in a vector
...
You can just use table():
> a <- table(numbers)
> a
numbers
4 5 23 34 43 54 56 65 67 324 435 453 456 567 657
2 1 2 2 1 1 2 1 2 1 3 1 1 1 1
Then you can subset it:
> a[names(a)==435]
435
3
Or convert it into a data.frame if you're mor...