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Get nodes where child node contains an attribute
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answered Sep 22 '09 at 1:07
laviniolavinio
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inserting characters at the start and end of a string
...you can also create a string with n Ls by using multiplication:
m = 1
n = 2
yourstring = ("L" * m) + yourstring + ("L" * n)
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How to remove elements from a generic list while iterating over it?
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27 Answers
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Sort a list of tuples by 2nd item (integer value) [duplicate]
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Try using the key keyword with sorted().
sorted([('abc', 121),('abc', 231),('abc', 148), ('abc',221)], key=lambda x: x[1])
key should be a function that identifies how to retrieve the comparable element from your data structure. In your case, it is the second element of the tuple...
jQuery form serialize - empty string
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216
You have to give the input element a name. E.g.:
<form id="form1" action="/Home/Test1" met...
How can I pass a member function where a free function is expected?
...ion(void (*fptr)(void*, int, int), void* context) {
fptr(context, 17, 42);
}
void non_member(void*, int i0, int i1) {
std::cout << "I don't need any context! i0=" << i0 << " i1=" << i1 << "\n";
}
struct foo {
void member(int i0, int i1) {
std::cout...
Django Rest Framework: Dynamically return subset of fields
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124
You can override the serializer __init__ method and set the fields attribute dynamically, based...
How do you use variables in a simple PostgreSQL script?
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132
Complete answer is located in the official PostgreSQL documentation.
You can use new PG9.0 anon...
How can I selectively escape percent (%) in Python strings?
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answered May 21 '12 at 0:03
Nolen RoyaltyNolen Royalty
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