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Slow Requests on Local Flask Server

... Ok I figured it out. It appears to be an issue with Werkzeug and os's that support ipv6. From the Werkzeug site http://werkzeug.pocoo.org/docs/serving/: On operating systems that support ipv6 and have it configured such as modern Linux systems, OS X 10.4 or higher as well as Windows V...
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How to assert greater than using JUnit Assert?

...Error: timestamp Expected: a value greater than <456L> but: <123L> was less than <456L> share | improve this answer | follow | ...
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How to print a groupby object

...dited Aug 24 '18 at 13:39 Seanny123 5,70277 gold badges4949 silver badges100100 bronze badges answered Apr 30 '16 at 6:59 ...
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How to write a large buffer into a binary file in C++, fast?

... fwrite(a, 1, size*sizeof(unsigned long long), pFile); } fclose(pFile); return 0; } I just timed 8GB in 36sec, which is about 220MB/s and I think that maxes out my SSD. Also worth to note, the code in the question used one core 100%, whereas this code only uses 2-5%. Thanks a l...
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How to find all occurrences of an element in a list?

... 123 While not a solution for lists directly, numpy really shines for this sort of thing: import n...
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Is JavaScript guaranteed to be single-threaded?

...e question of whether browsers really implement their JS engines using one OS-thread, or whether other limited threads-of-execution are introduced by WebWorkers.) However, in reality this isn't quite true, in sneaky nasty ways. The most common case is immediate events. Browsers will fire these rig...
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Java NIO FileChannel versus FileOutputstream performance / usefulness

...leChannel.transferFrom(). The key advantage here is that the JVM uses the OS's access to DMA (Direct Memory Access), if present. (This is implementation dependent, but modern Sun and IBM versions on general purpose CPUs are good to go.) What happens is the data goes straight to/from disc, to the b...
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Format a Go string without printing?

...te: you may also display the result of a template execution if you provide os.Stdout as the target (which also implements io.Writer): t := template.Must(template.New("email").Parse(emailTmpl)) if err := t.Execute(os.Stdout, data); err != nil { panic(err) } This will write the result directly ...
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Is there a way to cache GitHub credentials for pushing commits?

I recently switched to synchronizing my repositories to https:// on GitHub (due to firewall issues), and it asks for a password every time. ...
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Change IPython/Jupyter notebook working directory

... Confirmed this does work on Mac OSX, for jupyterlab 0.31.5 / IPython 6.2.1 – Brad Solomon Feb 11 '18 at 16:48 9 ...