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List of Big-O for PHP functions
... why you said they are "really O(n)" and not "really O(logn)". Great post by the way!
– Cam
Jun 11 '11 at 8:32
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What does “default” mean after a class' function declaration?
...member. This is useful because the move constructor isn't always generated by default (e.g. if you have a custom destructor), unlike the copy constructor (and likewise for assignment), but if there's nothing non-trivial to write, it's better to let the compiler handle it than to spell it out yoursel...
Go: panic: runtime error: invalid memory address or nil pointer dereference
...ording to the docs for func (*Client) Do:
"An error is returned if caused by client policy (such as CheckRedirect), or if there was an HTTP protocol error. A non-2xx response doesn't cause an error.
When err is nil, resp always contains a non-nil resp.Body."
Then looking at this code:
res, err := ...
Python xml ElementTree from a string source?
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for the correct answer, see the one provided by @dgassaway
– 2.718
Sep 26 '14 at 0:15
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How do pointer to pointers work in C?
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Let's assume an 8 bit computer with 8 bit addresses (and thus only 256 bytes of memory). This is part of that memory (the numbers at the top are the addresses):
54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69
+----+----+----+----+----+----+----+----+----+----+---...
How do I import .sql files into SQLite 3?
...ou can mark one of the two answers that answered your question as accepted by clicking the tick under the vote count next to the answer.
– Dominic Rodger
Jan 13 '10 at 6:51
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How do I create a Python function with optional arguments?
...required positional arguments, you can specify specific optional arguments by name.
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How do I test for an empty string in a Bash case statement?
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I use a simple fall through. no parameters passed ($1="") will be caught by the second case statement, yet the following * will catch any unknown parameter. Flipping the "") and *) will not work as *) will catch everything every time in that case, even blanks.
#!/usr/local/bin/bash
# testcase.sh
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Regular Expressions- Match Anything
...ng".
Another option that only works for JavaScript (and is not recognized by any other regex flavor) is [^]* which also matches any string. But [\s\S]* seems to be more widely used, perhaps because it's more portable.
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#1071 - Specified key was too long; max key length is 767 bytes
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767 bytes is the stated prefix limitation for InnoDB tables in MySQL version 5.6 (and prior versions). It's 1,000 bytes long for MyISAM tables. In MySQL version 5.7 and upwards this limit has been increased to 3072 bytes.
You al...