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AttributeError: 'module' object has no attribute 'tests'
...est case just try import the test case file in python console.
Example:
from project.apps.app1.tests import *
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How to prevent blank xmlns attributes in output from .NET's XmlDocument?
When generating XML from XmlDocument in .NET, a blank xmlns attribute appears the first time an element without an associated namespace is inserted; how can this be prevented?
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Android studio Gradle build speed up
Since the last update (Build from june 25) any changes in the Android studio Gradle is painfully slow. And it also seems to autotrack changes when you edit the file and recompile on keyup.
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How can a Java variable be different from itself?
...m.out.println("Not ok");
}
Not ok
You can do the same with Double.NaN.
From JLS §15.21.1. Numerical Equality Operators == and !=:
Floating-point equality testing is performed in accordance with the rules of the IEEE 754 standard:
If either operand is NaN, then the result of == is false but th...
Test if remote TCP port is open from a shell script
...ethod for properly testing if a given TCP port is open on a remote server, from inside a Shell script.
16 Answers
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What is the difference between substr and substring?
... first argument, which can be negative for substr (in which case it starts from the end), but not for substring. See JefferMC answer, but it has so many less votes that a lot of people might miss this important part.
– youen
Jul 26 '17 at 19:46
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Returning value from Thread
...tDown() (program order rule) which happens-before latch.await() (guarantee from CountDownLatch) which happens-before the read from value[0] (program order rule).
– Adam Zalcman
Aug 22 '14 at 18:09
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How to remove duplicate values from an array in PHP
How can I remove duplicate values from an array in PHP?
24 Answers
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namedtuple and default values for optional keyword arguments
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Python 3.7
Use the defaults parameter.
>>> from collections import namedtuple
>>> fields = ('val', 'left', 'right')
>>> Node = namedtuple('Node', fields, defaults=(None,) * len(fields))
>>> Node()
Node(val=None, left=None, right=None)
Or b...
Conversion from Long to Double in Java
...could simply do :
double d = (double)15552451L;
Or you could get double from Long object as :
Long l = new Long(15552451L);
double d = l.doubleValue();
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