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Check if item is in an array / list
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How to create a temporary directory and get the path / file name in Python
... shutil.rmtree(temp_dir.name) is not necessary.
– sidcha
Nov 14 '19 at 7:14
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Difference between . and : in Lua
...kind of call will be used internally to make sure object and any possible side-effects of calculations/access are calculated only once. Calling object:method(arg1, arg2) is otherwise same as object.method(object, arg1, arg2).
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How do I create a class instance from a string name in ruby?
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how do I insert a column at a specific column index in pandas?
...B': [1, 2, 3], 'C': [4, 5, 6]})
df
Out:
B C
0 1 4
1 2 5
2 3 6
idx = 0
new_col = [7, 8, 9] # can be a list, a Series, an array or a scalar
df.insert(loc=idx, column='A', value=new_col)
df
Out:
A B C
0 7 1 4
1 8 2 5
2 9 3 6
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How to find the installed pandas version
...
In [77]: pd.__version__
Out[77]: '0.12.0-933-g281dc4e'
Pandas also provides a utility function, pd.show_versions(), which reports the version of its dependencies as well:
In [53]: pd.show_versions(as_json=False)
INSTALLED VERSIONS
------------------
commit: None
python: 2.7.6.final.0
python-bi...
How can I catch a ctrl-c event?
...ude <stdlib.h>
#include <stdio.h>
#include <unistd.h>
void my_handler(int s){
printf("Caught signal %d\n",s);
exit(1);
}
int main(int argc,char** argv)
{
struct sigaction sigIntHandler;
sigIntHandler.sa_handler = my_handler;
sigemptyset(&sig...
Difference between Service, Async Task & Thread?
...t wrong all of them are used to do some stuff in background. So, how to decide which to use and when?
6 Answers
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In-place edits with sed on OS X
...
You can use the -i flag correctly by providing it with a suffix to add to the backed-up file. Extending your example:
sed -i.bu 's/oldword/newword/' file1.txt
Will give you two files: one with the name file1.txt that contains the substitution, and one with the n...
csv.Error: iterator should return strings, not bytes
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