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What is a unix command for deleting the first N characters of a line?
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Use cut. Eg. to strip the first 4 characters of each line (i.e. start on the 5th char):
tail -f logfile | grep org.springframework | cut -c 5-
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im...
What is __declspec and when do I need to use it?
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edited Dec 13 '17 at 4:02
Mark Benningfield
2,31944 gold badges2424 silver badges2727 bronze badges
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Correct way to use get_or_create?
...irst_name='John',
last_name='Lennon',
defaults={'birthday': date(1940, 10, 9)},
)
# get_or_create() didn't have to create an object.
>>> created
False
Explanation:
Fields to be evaluated for similarity, have to be mentioned outside defaults. Rest of the fields have to be include...
is not JSON serializable
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cyph3rn3tz
344 bronze badges
answered May 28 '13 at 11:04
alecxealecxe
392k9797 gold badge...
Cost of storing AMI
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edited Jun 3 '17 at 15:46
Michał Zalewski
2,19211 gold badge1919 silver badges3030 bronze badges
ans...
how do you filter pandas dataframes by multiple columns
...b-statements with ():
males = df[(df[Gender]=='Male') & (df[Year]==2014)]
To store your dataframes in a dict using a for loop:
from collections import defaultdict
dic={}
for g in ['male', 'female']:
dic[g]=defaultdict(dict)
for y in [2013, 2014]:
dic[g][y]=df[(df[Gender]==g) & (d...
Populating spinner directly in the layout xml
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594
I'm not sure about this, but give it a shot.
In your strings.xml define:
<string-array name...
Is it possible to execute code once before all tests run?
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154
FWIW, you can use the AssemblyInitialize attribute to run code before all unit tests in an assem...
Escaping keyword-like column names in Postgres
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214
Simply enclose year in double quotes to stop it being interpreted as a keyword:
INSERT INTO tab...
GoTo Next Iteration in For Loop in java
...+){
if(i==2){
continue;
}
System.out.print(i);
}
This will print
0134
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