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How is a CRC32 checksum calculated?
...Because there needs to be a standard given polynomial and the standard was set by IEEE 802.3. Also it is extremely difficult to find a polynomial that detects different bit errors effectively.
You can think of the CRC-32 as a series of "Binary Arithmetic with No Carries", or basically "XOR and shif...
How can I see the raw SQL queries Django is running?
...ueries:
from django.db import connection
print(connection.queries)
Querysets also have a query attribute containing the query to be executed:
print(MyModel.objects.filter(name="my name").query)
Note that the output of the query is not valid SQL, because:
"Django never actually interpolates...
How do I put a bunch of uncommitted changes aside while working on something else
If I have a bunch of uncommitted changes and want to set it aside while working on something else instead, and then later (f.i. after several days) come back to it and proceed working. What would be the easiest workflow to accomplish this? (So far I have only experience with Mercurial's basic functi...
jQuery Validate - require at least one field in a group to be filled
... names as long as there's at least one part number. I think it's better to set rules like require_from_group: [1,".partnumber"] and ...[1,".contactname"] to ensure you're validating the right things.
– Nathan Long
Dec 8 '09 at 17:39
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Razor view engine, how to enter preprocessor(#if debug)
...omments and mention if you are using precompiled views or anything special set up that could result in your views being partially rendered/executed on another thread!
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DateTime.ToString() format that can be used in a filename or extension?
I want to add a timestamp to filenames as files are created but most of the DateTime methods I've tried output something with spaces and slashes. For instance:
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PostgreSQL: Drop PostgreSQL database through command line [closed]
...y, after saying, "SSL connection closed unexpectedly [...] attempting to reset: Succeeded." Annnd, I'm back.
– mlissner
Nov 12 '18 at 19:03
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Why does Haskell's “do nothing” function, id, consume tons of memory?
... editor after snippets, if snippets enabled
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Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
I'm looking for a way to dump the structure of an object, similar to the PHP functions print_r and var_dump for debugging reasons.
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Moving from CVS to Git: $Id$ equivalent?
I read through a bunch of questions asking about simple source code control tools and Git seemed like a reasonable choice. I have it up and running, and it works well so far. One aspect that I like about CVS is the automatic incrementation of a version number.
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