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error LNK2019: 无法解析的外部符号_socket,该符号在函数 中被引用 - C/C+...

error LNK2019: 无法解析的外部符号_socket,该符号在函数 中被引用1>NetClient.obj : error LNK2019: 无法解析的外部符号 _closesocket@4,该符号在函数 _main 中被引用1>NetClient.obj : error L...1>NetClient.obj : error LNK2019: 无法解析的外部符号 _closesocket@...
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Received fatal alert: handshake_failure through SSLHandshakeException

...ificate validation. In most cases, this will be the cacerts file in the JRE_HOME/lib/security directory. If the location of the trust store has been specified using the JVM system property javax.net.ssl.trustStore, then the store in that path is usually the one used by the client library. If you are...
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How to automatically generate a stacktrace when my program crashes

...nclude <unistd.h> void handler(int sig) { void *array[10]; size_t size; // get void*'s for all entries on the stack size = backtrace(array, 10); // print out all the frames to stderr fprintf(stderr, "Error: signal %d:\n", sig); backtrace_symbols_fd(array, size, STDERR_FILENO)...
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Outputting data from unit test in python

... %r", self.that ) # etc. self.assertEquals( 3.14, pi ) if __name__ == "__main__": logging.basicConfig( stream=sys.stderr ) logging.getLogger( "SomeTest.testSomething" ).setLevel( logging.DEBUG ) unittest.main() That allows us to turn on debugging for specific tests whi...
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Adding git branch on the Bash command prompt

... git 1.9.3 or later: use __git_ps1 Git provides a shell script called git-prompt.sh, which includes a function __git_ps1 that prints text to add to bash PS1 prompt (includes branch name) Its most basic usage is: $ __git_ps1 (master) It also...
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Relationship between SciPy and NumPy

... Last time I checked it, the scipy __init__ method executes a from numpy import * so that the whole numpy namespace is included into scipy when the scipy module is imported. The log10 behavior you are describing is interesting, because both versions are co...
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How to go about formatting 1200 to 1.2k in java

...ng, String> suffixes = new TreeMap<> (); static { suffixes.put(1_000L, "k"); suffixes.put(1_000_000L, "M"); suffixes.put(1_000_000_000L, "G"); suffixes.put(1_000_000_000_000L, "T"); suffixes.put(1_000_000_000_000_000L, "P"); suffixes.put(1_000_000_000_000_000_000L, "E"); } publ...
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Is it valid to replace http:// with // in a ?

...wing parts: foo://example.com:8042/over/there?name=ferret#nose \_/ \______________/\_________/ \_________/ \__/ | | | | | scheme authority path query fragment When defining relative URIs (Section 5.2), you can omit any...
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Convert Django Model object to dict with all of the fields intact

...f corner case handling and closeness to the desired result. 1. instance.__dict__ instance.__dict__ which returns {'_foreign_key_cache': <OtherModel: OtherModel object>, '_state': <django.db.models.base.ModelState at 0x7ff0993f6908>, 'auto_now_add': datetime.datetime(2018, 12, 20...
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Python error “ImportError: No module named”

... your comments to orip's post, I guess this is what happened: You edited __init__.py on windows. The windows editor added something non-printing, perhaps a carriage-return (end-of-line in Windows is CR/LF; in unix it is LF only), or perhaps a CTRL-Z (windows end-of-file). You used WinSCP to copy t...