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How to delete a record in Django models?
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answered Sep 27 '10 at 16:51
WolphWolph
66.6k99 gold badges120120 silver badges141141 bronze badges
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Is there a generator version of `string.split()` in Python?
...irly minimal memory overhead.
def split_iter(string):
return (x.group(0) for x in re.finditer(r"[A-Za-z']+", string))
Demo:
>>> list( split_iter("A programmer's RegEx test.") )
['A', "programmer's", 'RegEx', 'test']
edit: I have just confirmed that this takes constant memory in py...
How do I use the new computeIfAbsent function?
...g a map and putting the values in it for the base cases, namely, fibonnaci(0) and fibonacci(1):
private static Map<Integer,Long> memo = new HashMap<>();
static {
memo.put(0,0L); //fibonacci(0)
memo.put(1,1L); //fibonacci(1)
}
And for the inductive step all we have to do is redef...
no acceptable C compiler found in $PATH when installing python
...make, etc.
– Spectral
Jul 9 '14 at 20:06
2
Is there an alternative for zypper?
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How do I reset a sequence in Oracle?
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Here is a good procedure for resetting any sequence to 0 from Oracle guru Tom Kyte. Great discussion on the pros and cons in the links below too.
tkyte@TKYTE901.US.ORACLE.COM>
create or replace
procedure reset_seq( p_seq_name in varchar2 )
is
l_val number;
begin
exe...
Python non-greedy regexes
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answered Apr 19 '09 at 23:27
Trey StoutTrey Stout
4,57711 gold badge2121 silver badges2424 bronze badges
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:after vs. ::after
... own right.
Actually, better description here: http://bricss.net/post/10768584657/know-your-lingo-pseudo-class-vs-pseudo-element
Also here: http://www.evotech.net/blog/2007/05/after-v-after-what-is-double-colon-notation/
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django : using select_related and get_object_or_404 together
Is there any way of using get_object_or_404 and select_related together or any other way to achieve the result of using these two together(except from putting it in try/except)??
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How to apply multiple transforms in CSS?
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1047
You have to put them on one line like this:
li:nth-child(2) {
transform: rotate(15deg) tr...
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860
jQuery isn't necessary. Most of the top results I got from a Google search gave me this answer:
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