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“is” operator behaves unexpectedly with integers
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403
Take a look at this:
>>> a = 256
>>> b = 256
>>> id(a)
9987148
>&...
How to get std::vector pointer to the raw data?
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3 Answers
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Set default CRAN mirror permanent in R
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miguelmorin
2,69311 gold badge1313 silver badges3333 bronze badges
answered Dec 12 '11 at 13:40
rinnirinni
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C++ where to initialize static const
... static const char* cs; // Same with C strings.
static const int i = 3; // Integral types can be initialized here (*)...
static const int j; // ... OR in cpp.
};
foo.cpp
#include "foo.h"
const string foo::s = "foo string";
const char* foo::cs = "foo C string";
// No definition for i...
How to send cookies in a post request with the Python Requests library?
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3 Answers
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What is NSZombie?
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193
It's a memory debugging aid. Specifically, when you set NSZombieEnabled then whenever an object ...
Get the key corresponding to the minimum value within a dictionary
... @KarelBílek it means you passed in as "d" a list e.g. [11, 22, 33], instead of a dictionary e.g. {1: 11, 2:22, 3:33}. 'd.get' is valid for a dictionary, but not for a list.
– ToolmakerSteve
Dec 8 '13 at 2:31
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Select Row number in postgres
...guaranteed.
– AlexM
Jun 14 '16 at 4:30
3
@pumbo Appears row_number() returns "the row number of t...
Redis: possible to expire an element in an array or sorted set?
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