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Pair/tuple data type in Go
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Spring Data JPA find by embedded object property
...ne findByIdAndTwoId(Long oneId, Long twoId); and results in a query of the form: select ...... from one one_ left outer join two two_ on one_.two_id = two_.id where one_id = ? and two_.id = ?
– TroJaN
May 4 at 17:17
...
How to use Git Revert
...even more clear, with a log like this:
# git log --oneline
cb76ee4 wrong
01b56c6 test
2e407ce first commit
Using git revert cb76ee4 will by default bring your files back to 01b56c6 and will add a further commit to your history:
8d4406b Revert "wrong"
cb76ee4 wrong
01b56c6 test
2e407ce first com...
Windbg Step 2 分析程序堆栈实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...断点
2. lm查看loaded Modules
lm
start end module name
01330000 0134b000 MyApp C (private pdb symbols) E:\ProLab\WindbgFirst\Debug\MyApp.pdb
59bc0000 59ce4000 MSVCR90D (deferred)
75100000 75200000 kernel32 (deferred)
76750000 76796000 KE...
Convert Unicode to ASCII without errors in Python
...s sometimes desirable to remove accents from characters and print the base form. This can be accomplished with
>>> import unicodedata
>>> unicodedata.normalize('NFKD', u'aあä').encode('ascii', 'ignore')
'aa'
You may also want to translate other characters (such as punctuation)...
What is the python “with” statement designed for?
... import localcontext
with localcontext() as ctx:
ctx.prec = 42 # Perform a high precision calculation
s = calculate_something()
s = +s # Round the final result back to the default precision
I use this a lot with the Hypergeometric Test which requires the division of large numbers resul...
Python memory usage of numpy arrays
...()
if isinstance(value, numpy.ndarray)):
print("{:>30}: {:>8}".format(name, naturalsize(size)))
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How does “304 Not Modified” work exactly?
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When to throw an exception?
... Hmm, no. Exceptions can be used as control flow mechanisms if maximum performance isn't required, which is true of most web-apps. Python uses the exception 'StopIteration' to terminate iterators, and it works very well. The cost is nothing compared to IO, etc.
– Seun Osewa
...
Expansion of variables inside single quotes in a command in Bash
...h means that it's taken literally, without variable expansion or any other form of interpretation.
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