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Python's equivalent of && (logical-and) in an if-statement
...this class which again prints something to track what is happening:
class Test(object):
def __init__(self, value):
self.value = value
def __bool__(self):
print('__bool__ called on {!r}'.format(self))
return bool(self.value)
__nonzero__ = __bool__ # Python 2 co...
How to Test a Concern in Rails
...y Rails 4 application which has a full_name method, how would I go about testing this using RSpec?
3 Answers
...
Importing modules from parent folder
....py
I call the . the root folder, and in my case it is located in C:\tmp\test_imports.
Steps
1) Add a setup.py to the root folder
The contents of the setup.py can be simply
from setuptools import setup, find_packages
setup(name='myproject', version='1.0', packages=find_packages())
Basically...
Putting uncommitted changes at Master to a new branch by Git
How can you put uncommitted changes to a branch TEST when I am at the branch master ?
4 Answers
...
Scala: List[Future] to Future[List] disregarding failed futures
...version of Scala (2.11.5)... I corrected that, and wrote a few additional tests if anyone is interested... here is my version >
implicit class FutureCompanionOps(val f: Future.type) extends AnyVal {
/** Given a list of futures `fs`, returns the future holding the list of Try's of the fut...
MYSQL OR vs IN performance
... OR.
Do not believe people who give their "opinion", science is all about testing and evidence.
I ran a loop of 1000x the equivalent queries (for consistency, I used sql_no_cache):
IN: 2.34969592094s
OR: 5.83781504631s
Update:
(I don't have the source code for the original test, as it was 6 yea...
What is “rvalue reference for *this”?
... parameter" of the function†:
// t.cpp
#include <iostream>
struct test{
void f() &{ std::cout << "lvalue object\n"; }
void f() &&{ std::cout << "rvalue object\n"; }
};
int main(){
test t;
t.f(); // lvalue
test().f(); // rvalue
}
Output:
$ clang++ -std=c++...
How to list only the file names that changed between two commits?
...ff --name-only HEAD~10 HEAD~5
to see the differences between the tenth latest commit and the fifth latest (or so).
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Unittest setUp/tearDown for several tests
Is there a function that is fired at the beginning/end of a scenario of tests? The functions setUp and tearDown are fired before/after every single test.
...
find filenames NOT ending in specific extensions on Unix?
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total 10
-rw-r--r-- 1 scripter linuxdumb 47 Dec 23 14:46 test1
-rw-r--r-- 1 scripter linuxdumb 0 Jan 4 23:40 test4
-rw-r--r-- 1 scripter linuxdumb 0 Jan 4 23:40 test3
-rw-r--r-- 1 scripter linuxdumb 0 Jan 4 23:40 test2
-rw-r--r-- ...