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Java ArrayList copy
...ws:
ArrayList<String> src = new ArrayList<String>();
src.add("test string1");
src.add("test string2");
ArrayList<String> dest= new ArrayList<String>();
dest.addAll(src);
This is actual copying of values and not just copying of reference.
...
Multiprocessing: How to use Pool.map on a function defined in a class?
...t;>> p.map(add, x, y)
[4, 6, 8, 10]
>>>
>>> class Test(object):
... def plus(self, x, y):
... return x+y
...
>>> t = Test()
>>>
>>> p.map(Test.plus, [t]*4, x, y)
[4, 6, 8, 10]
>>>
>>> res = p.amap(t.plus, x, y)
>>&...
How to run code when a class is subclassed? [duplicate]
...0(SuperClass):
pass
print("bar")
class SubClass1(SuperClass):
print("test")
prints
foo
was subclassed by SubClass0
bar
test
was subclassed by SubClass1
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Is using Random and OrderBy a good shuffle algorithm?
...ick of hearing from me on this, but I ran into a slight problem in my unit tests that you might want to be aware of. There's a quirk with ElementAt that makes it invoke the extension each time, giving unreliable results. In my tests I'm materializing the result before checking to avoid this.
...
What does the PHP error message “Notice: Use of undefined constant” mean?
...
<?php
${test}="test information";
echo $test;
?>
Notice: Use of undefined constant test - assumed 'test' in D:\xampp\htdocs\sp\test\envoirnmentVariables.php on line 3
test information
...
Get all attributes of an element using jQuery
...bute ) {
attrs[attribute.name] = attribute.value;
}, {} );
}
Test page
At JS Bin, there is a live test page covering all these functions. The test includes boolean attributes (hidden) and enumerated attributes (contenteditable="").
...
Select the values of one property on all objects of an array in PowerShell
...tically defined) regular .NET type. Both scenarios are covered below.
The tests use already-in-memory-in-full collections as input, so as to focus on the pure property extraction performance. With a streaming cmdlet / function call as the input, performance differences will generally be much less p...
Benchmarking (python vs. c++ using BLAS) and (numpy)
...enBLAS and MKL perform on the same level, with the exception of Eigenvalue test.
The Eigenvalue test performs only reasonably well on OpenBLAS in single threaded mode.
In multi-threaded mode the performance is worse.
The "Matrix size vs threads chart" also show that although MKL as well as OpenBL...
Example of multipart/form-data
... -F "file1=@a.html" -F "file1=@a.txt" localhost:8000
You can do multiple tests with:
while true; do printf '' | nc -l localhost 8000; done
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Separation of business logic and data access in django
...your system log, etc.
Such scenario's also really help you in setting up a Test Driven Development environment.
And finally, thinking in commands really helps you create a task-oriented application. Your users will appreciate this :-)
Expressing Commands
Django provides two easy ways of expressing c...