大约有 47,000 项符合查询结果（耗时：0.0465秒） [XML]
Finding quaternion representing the rotation from one vector to another
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How has anyone got this technique to work? For one, sqrt((v1.Length ^ 2) * (v2.Length ^ 2)) simplifies to v1.Length * v2.Length. I couldn't get any variation of this to produce sensible results.
– Joseph Thomson
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Correct way to pass multiple values for same parameter name in GET request
...uess you're right - if RFC3986 doesn't specify a standard then there isn't one. Thanks Eduardo.
– stripybadger
Jan 5 '16 at 14:43
21
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Where is the .NET Framework 4.5 directory?
...T 3.0, 3.5 and 3.5SP1 replaced the assemblies for 2.0. And added some new ones. The CLR version is still 4.0.30319. You only care about the reference assemblies, they are in c:\program files\reference assemblies.
share
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What is “thread local storage” in Python, and why do I need it?
...reads can access (like a global variable) then all threads can access that one Thread object. If you want to atomically modify anything that another thread has access to, you have to protect it with a lock. And all threads must of course share this very same lock, or it wouldn't be very effective.
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What is a Memory Heap?
...d via malloc). Memory allocated from the heap will remain allocated until one of the following occurs:
The memory is free'd
The program terminates
If all references to allocated memory are lost (e.g. you don't store a pointer to it anymore), you have what is called a memory leak. This is where...
GROUP BY with MAX(DATE) [duplicate]
...ated columns in your result set which are not grouped. If a train has only one destination, then just add the destination column to your group by clause, otherwise you need to rethink your query.
Try:
SELECT t.Train, t.Dest, r.MaxTime
FROM (
SELECT Train, MAX(Time) as MaxTime
FROM Trai...
sendmail: how to configure sendmail on ubuntu? [closed]
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One thing that isn't clear is what replacements to make in AuthInfo:your.isp.net "U:root" "I:user" "P:password" Specifically, how do you replace U:root and I:user
– Tom Haws
Aug 29 '13 ...
Something like 'contains any' for Java set?
...r solutions because it does not modify either of the sets or creates a new one.
– devconsole
Sep 20 '12 at 10:37
7
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How do I diff the same file between two different commits on the same branch?
... are in the current directory, not on the top level git managed directory, one has to prepend ./ on Unix: <revision_1>:./filename_1
– Andre Holzner
Aug 12 '13 at 12:44
7
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Is there an equivalent for var_dump (PHP) in Javascript?
...able, so if you dump a bunch of variables, you have to manually label each one. :-(
– Synetech
Oct 6 '19 at 15:24
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