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From io.Reader to string in Go
...I can't imagine a scenario where transmission latency won't be a squillion times larger than the trivial time it takes to copy the byte array. Any functional language copies this type of immutable stuff around all over the place, and still runs plenty fast.
– see sharper
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Extending the User model with custom fields in Django
...OFILE_MODULE = 'YOURAPP.UserProfile'
This will create a userprofile each time a user is saved if it is created.
You can then use
user.get_profile().whatever
Here is some more info from the docs
http://docs.djangoproject.com/en/dev/topics/auth/#storing-additional-information-about-users
Upd...
How can I efficiently download a large file using Go?
...o you can use any functions that take a Reader, to, e.g. read a chunk at a time rather than all at once. In this specific case, io.Copy() does the gruntwork for you.
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Best practices for circular shift (rotate) operations in C++
... MIPS that only provide a rotate-right. (This optimizes away with compile-time-constant counts.)
Fun fact: ARM doesn't really have dedicated shift/rotate instructions, it's just MOV with the source operand going through the barrel-shifter in ROR mode: mov r0, r0, ror r1. So a rotate can fold into...
Print multiple arguments in Python
...ting with numbers (useful for reordering or printing the same one multiple times):
print("Total score for {0} is {1}".format(name, score))
Use new-style string formatting with explicit names:
print("Total score for {n} is {s}".format(n=name, s=score))
Concatenate strings:
print("Total score for...
Greenlet Vs. Threads
...es to complete the work and this test shows nothing (also did you take the timeout off of the gevent.joinall() call?). Try using a thread pool of about 50 threads, see my answer: stackoverflow.com/a/51932442/34549
– zzzeek
Aug 20 '18 at 14:14
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How to write a scalable Tcp/Ip based server
... about changing. For one, only have a single BeginAccept called at any one time. There used to be a very annoying .net bug around this, which was years ago so I don't recall the details.
Also, in the ReceiveCallback code, we process anything received from the socket before we queue the next receiv...
In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
...readable.
Other answers have suggested that a new string is created every time you use "". This is not true - due to string interning, it will be created either once per assembly or once per AppDomain (or possibly once for the whole process - not sure on that front). This difference is negligible -...
Has reCaptcha been cracked / hacked / OCR'd / defeated / broken? [closed]
...detailed report on how 4chan defeated reCAPTCHA, and used it to manipulate Time.com's annual TIME 100 Poll results.
Hacking Recaptcha (aka ‘The Penis Flood’)
The next tactic used was to see if they could find a flaw in the reCAPTCHA implementation. One thing they discovered about reCAP...
How can I time a code segment for testing performance with Pythons timeit?
...on script which works just as it should, but I need to write the execution time. I've googled that I should use timeit but I can't seem to get it to work.
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