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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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Tools to get a pictorial function call graph of code [closed]
...of C code. Although I can see the functions called from a function in MS VS2005 using the Object browser, and in MSVC 6.0 also, this only shows functions called from a particular function in a non-graphical kind of display. Additionally, it does not show the function called starting from say main()...
How to redirect output of an already running process [duplicate]
...es it has open:
$ ls -l /proc/6760/fd
total 3
lrwx—— 1 rjc rjc 64 Feb 27 15:32 0 -> /dev/pts/5
l-wx—— 1 rjc rjc 64 Feb 27 15:32 1 -> /tmp/foo1
lrwx—— 1 rjc rjc 64 Feb 27 15:32 2 -> /dev/pts/5
Now run GDB:
$ gdb -p 6760 /bin/cat
GNU gdb 6.4.90-debian
[license stuff snipp...