大约有 2,100 项符合查询结果(耗时:0.0214秒) [XML]

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What's causing my java.net.SocketException: Connection reset? [duplicate]

...is no longer responding to ACK flags, or that it is not responding per TCP/IP). If the FYN flag was sent, or rather the server closed the connection, you would just get -1 from read(), and an EOFException. When I get home I plan on confirming this either way. – Zombies ...
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Add spaces before Capital Letters

Given the string "ThisStringHasNoSpacesButItDoesHaveCapitals" what is the best way to add spaces before the capital letters. So the end string would be "This String Has No Spaces But It Does Have Capitals" ...
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iPhone: How to get current milliseconds?

...if portability is a priority for you. iPhone 4S CACurrentMediaTime: 1.33 µs/call gettimeofday: 1.38 µs/call [NSDate timeIntervalSinceReferenceDate]: 1.45 µs/call CFAbsoluteTimeGetCurrent: 1.48 µs/call [[NSDate date] timeIntervalSince1970]: 4.93 µs/call iPad 3 CACurrentMediaTime: 1.25 µs/c...
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How to compare Unicode characters that “look alike”?

...ain(string[] args) { char first = 'μ'; char second = 'µ'; // Technically you only need to normalize U+00B5 to obtain U+03BC, but // if you're unsure which character is which, you can safely normalize both string firstNormalized = first.ToString().Normal...
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Characters allowed in a URL

...d and pasted, but I'll do my best. In first matched order: host = IP-literal / IPv4address / reg-name IP-literal = "[" ( IPv6address / IPvFuture ) "]" IPvFuture = "v" 1*HEXDIG "." 1*( unreserved / sub-delims / ":" ) IPv6address = 6( h16 ":" ) ls32 / ...
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Insert an element at a specific index in a list and return the updated list

...ents for Python 3.4.5: Mine answer using sliced insertion - Fastest (3.08 µsec per loop) mquadri$ python3 -m timeit -s "a = list(range(1000))" "b = a[:]; b[500:500] = [3]" 100000 loops, best of 3: 3.08 µsec per loop ATOzTOA's accepted answer based on merge of sliced lists - Second (6.71 µsec...
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“Cloning” row or column vectors

...t;>> %timeit np.array(np.broadcast_to(x, (reps, n))) 10.2 ms ± 62.3 µs per loop (mean ± std. dev. of 7 runs, 100 loops each) >>> %timeit np.repeat(x[np.newaxis, :], reps, axis=0) 9.88 ms ± 52.4 µs per loop (mean ± std. dev. of 7 runs, 100 loops each) >>> %timeit np.ti...
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Python dictionary: Get list of values for list of keys

...imeit map(lambda _: m[_], l) # using 'map' 1000000 loops, best of 3: 1.66 µs per loop In[5]: %timeit list(m[_] for _ in l) # a generator expression passed to a list constructor. 1000000 loops, best of 3: 1.65 µs per loop In[6]: %timeit map(m.__getitem__, l) The slowest run took 4.01 times longer...
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Return multiple columns from pandas apply()

...best of 3: 2.61 ms per loop Return tuple: 1000 loops, best of 3: 819 µs per loop share | improve this answer | follow | ...
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SQL Server: Make all UPPER case to Proper Case/Title Case

...--------- All Upper Case and Some lower Ää Öö Üü Éé Øø Cc Ææ share | improve this answer | follow | ...