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When should I use Lazy?
... to avoid doing it and is it worth it?
In the end I decided to try my own test and I thought I would share the results here. Unfortunately I am not really an expert at doing these sort of tests and so I am happy to get comments that suggest improvements.
Description
For my case, I was particular...
Prepend text to beginning of string
What is the fastest method, to add a new value at the beginning of a string?
8 Answers
...
Python: reload component Y imported with 'from X import Y'?
...visual clues that the name's being looked up, ease of mocking/injecting in tests, ability to reload, ability for a module to change flexibly by redefining some entries, predictable and controllable behavior on serialization and recovery of your data [[e.g. by pickling and unpickling]], and so on, an...
How to bring back “Browser mode” in IE11?
...ice I've given here (and elsewhere) to avoid using compatibility modes for testing is still valid: If you want to test your site for compatibility with older IE versions, you should always do your testing in a real copy of those IE version.
However, this does mean that the registry hack described i...
Does a javascript if statement with multiple conditions test all of them?
In javascript, when using an if statement with multiple conditions to test for, does javascript test them all regardless, or will it bail before testing them all if it's already false?
...
Dictionary vs Object - which is more efficient and why?
...ave time as well as memory?
Comparing the three approaches on my computer:
test_slots.py:
class Obj(object):
__slots__ = ('i', 'l')
def __init__(self, i):
self.i = i
self.l = []
all = {}
for i in range(1000000):
all[i] = Obj(i)
test_obj.py:
class Obj(object):
def __init__(self, i):
...
How to paste text to end of every line? Sublime 2
...
Let's say you have these lines of code:
test line one
test line two
test line three
test line four
Using Search and Replace Ctrl+H with Regex let's find this: ^ and replace it with ", we'll have this:
"test line one
"test line two
"test line three
"test line fou...
How do I turn on SQL debug logging for ActiveRecord in RSpec tests?
I have some RSpec tests for my models and I would like to turn on SQL ActiveRecord logging just like I see in the Rails server mode. How to do that?
...
Jasmine JavaScript Testing - toBe vs toEqual
...e whether the values for their keys are equivalent). Both of the following tests will pass:
expect(b).not.toBe(c);
expect(b).toEqual(c);
Hope that helps clarify some things.
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Efficiency of premature return in a function
...
There is no difference at all:
=====> cat test_return.cpp
extern void something();
extern void something2();
void test(bool b)
{
if(b)
{
something();
}
else
something2();
}
=====> cat test_return2.cpp
extern void something();
exter...