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assertEquals vs. assertEqual in python
... is mistaken.
– LarsH
Aug 25 '14 at 16:12
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Rebase a single Git commit
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how can a question specifically called 'git rebase ...' have the accepted answer than contains a cherry-pick, which is a totally different concept and sometimes per se considered unclean?
– Bondax
Oct 13 '15 at 9:...
__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
...格式，以字节为单位。例如：
int x __attribute__ ((aligned (16))) = 0; 编译器将以16字节（注意是字节byte不是位bit）对齐的方式分配一个变量。也可以对结构体成员变量设置该属性，例如，创建一个双字对齐的int对，可以这么写：
s...
Loading and parsing a JSON file with multiple JSON objects
... contains JSON per line, you are saved the headaches of trying to parse it all in one go or to figure out a streaming JSON parser. You can now opt to process each line separately before moving on to the next, saving memory in the process. You probably don't want to append each result to one list and...
Rename specific column(s) in pandas
I've got a dataframe called data . How would I rename the only one column header? For example gdp to log(gdp) ?
5 Answe...
Using custom std::set comparator
...should use a functor (a class that overloads the () operator so it can be called like a function).
struct lex_compare {
bool operator() (const int64_t& lhs, const int64_t& rhs) const {
stringstream s1, s2;
s1 << lhs;
s2 << rhs;
return s1.str()...
How do you split a list into evenly sized chunks?
...t and empty the second list for the next round of data, but this is potentially extremely expensive.
64 Answers
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How to check if running in Cygwin, Mac or Linux?
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Usually, uname with its various options will tell you what environment you're running in:
pax> uname -a
CYGWIN_NT-5.1 IBM-L3F3936 1.5.25(0.156/4/2) 2008-06-12 19:34 i686 Cygwin
pax> uname -s
CYGWIN_NT-5.1
And, accordin...
os.path.dirname(__file__) returns empty
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edited Oct 16 '11 at 22:42
answered Oct 16 '11 at 9:06
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pandas three-way joining multiple dataframes on columns
...SV files. Each has the first column as the (string) names of people, while all the other columns in each dataframe are attributes of that person.
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