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Boolean literals in PowerShell
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174
$true and $false.
Those are constants, though. There are no language-level literals for boolean...
How do I interpret precision and scale of a number in a database?
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406
Numeric precision refers to the maximum number of digits that are present in the number.
ie ...
PowerMockito mock single static method and return object
....classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
class ClassWithStatics {
public static String getString() {
return "String";
}
public static int getInt() {
return 1;
}
}
@RunWith(PowerMockRunner.class)
@PrepareForTest(ClassWithStatics....
Vim Regex Capture Groups [bau -> byau : ceu -> cyeu]
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4 Answers
4
Active
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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-
share
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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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UITextField - capture return button event
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edited Jul 24 '14 at 17:04
Fattie
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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...
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...