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How does the main() method work in C?
... then it finds argc and argv as the two topmost stack items. If it's a platform-specific three-argument variant with an environment pointer (a common extension), that will work too: it will find that third argument as the third element from the top of the stack.
And so a fixed call works for all ca...
Best practice for Django project working directory structure
...y prepared to publish as open-source. I've taken example
below from django-forme
~/projects/django-app/
docs/
app/
tests/
example_project/
LICENCE
MANIFEST.in
README.md
setup.py
pytest.ini
tox.ini
.travis.yml
...
Name of directories is clear (I hope). I put test files outside app directory,
but it...
How do I find which program is using port 80 in Windows? [duplicate]
...the port and process list in a text editor, where you can search for the information you want.
You can also use PowerShell to parse netstat output and present it in a better way (or process it any way you want):
$proc = @{};
Get-Process | ForEach-Object { $proc.Add($_.Id, $_) };
netstat -aon | Sel...
How to replace DOM element in place using Javascript?
...
A.replaceWith(span) - No parent needed
Generic form:
target.replaceWith(element)
Way better/cleaner than the previous method.
For your use case:
A.replaceWith(span)
Advanced usage
You can pass multiple values (or use spread operator ...).
Any string value will be added...
What does the NS prefix mean?
...y laid out in the other answers, that's why I didn't bother copying that information into mine. Sorry if that offends someone - I don't mind if the accepted answer changes to one of the others (if that's possible - never checked that).
– Olaf Kock
Aug 8 '12 at ...
How can I output leading zeros in Ruby?
...rb(main):001:0> "%03d" % 5
=> "005"
The left-hand-side is a printf format string, and the right-hand side can be a list of values, so you could do something like:
irb(main):002:0> filename = "%s/%s.%04d.txt" % ["dirname", "filename", 23]
=> "dirname/filename.0023.txt"
Here's a print...
What is the difference between a definition and a declaration?
...In other words, "forward declaration" a misnomer, since there are no other forms of class declarations in C++.)
Thanks to litb (Johannes Schaub) who dug out the actual chapter and verse in one of his answers.
share
...
Should each and every table have a primary key?
...nique index, you should declare it and get both logical consistency and performance.
See this article in my blog for why you should always create a unique index on unique data:
Making an index UNIQUE
P.S. There are some very, very special cases where you don't need a primary key.
Mostly they i...
Convert to binary and keep leading zeros in Python
...
Use the format() function:
>>> format(14, '#010b')
'0b00001110'
The format() function simply formats the input following the Format Specification mini language. The # makes the format include the 0b prefix, and the 010 si...
What's the complete range for Chinese characters in Unicode?
... Supplement is a Unicode block containing alternative,
often positional, forms of the Kangxi radicals. They are used headers
in dictionary indices and other CJK ideograph collections organized by
radical-stroke.
[\u3190-\u319f]
Kanbun is a Unicode block containing annotation charact...