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What is the difference between single and double quotes in SQL?
...t id, but it's not recommended practice for a column alias to be more than one word.
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Return a `struct` from a function in C
Today I was teaching a couple of friends how to use C struct s. One of them asked if you could return a struct from a function, to which I replied: "No! You'd return pointers to dynamically malloc ed struct s instead."
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Differences between hard real-time, soft real-time, and firm real-time?
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As noted, the dividing lines are pretty fuzzy. The one soft realtime system I worked on had tolerances of a few seconds, so that's where I draw the line.
– Joel
Jun 26 '13 at 0:18
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How do you get assembler output from C/C++ source in gcc?
How does one do this?
17 Answers
17
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Is it possible to set the stacking order of pseudo-elements below their parent element? [duplicate]
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Only one comment to this code: if parent div (parent of owner of pseudo element) has a background (say body tag) it will overlap pseudo element background. To fix it parent div must be set to relative positioning and z-index value...
How to configure postgresql for the first time?
... is a superuser, and will have an encrypted password. The really important ones are -P -E, so that you're asked to type the password that will be encrypted, and -d so that you can do a createdb.
Beware of passwords: it will first ask you twice the new password (for the new user), repeated, and then...
Email validation using jQuery
... is still valid e-mail, however, it still could be written in better way. None part of domain can start with other char than [a-z0-9] (case insensitive). Also, valid e-mail (and domain) has some len limit, which is also not tested.
– tomis
Jul 5 '13 at 8:42
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Are HTTPS URLs encrypted?
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It is still worth noting the thing mentioned by @Jalf in the comment on the question itself. URL data will also be saved in the browser's history, which may be insecure long-term.
– Michael Ekstrand
Jul 12 '09 at 1:37
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Get MD5 hash of big files in Python
...open - otherwise you will get the wrong result.
So to do the whole lot in one method - use something like:
def generate_file_md5(rootdir, filename, blocksize=2**20):
m = hashlib.md5()
with open( os.path.join(rootdir, filename) , "rb" ) as f:
while True:
buf = f.read(bl...
What does the term “porcelain” mean in Git?
...k the answer makes sense to me, but then again, I'm assuming Linus was the one that coined the term, so I tend to adjust my brain to be a little more direct and crass when parsing his world. :)
– Nick Klauer
Oct 21 '11 at 4:16
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