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Binary search (bisection) in Python
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from bisect import bisect_left
def binary_search(a, x, lo=0, hi=None): # can't use a to specify default for hi
hi = hi if hi is not None else len(a) # hi defaults to len(a)
pos = bisect_left(a, x, lo, hi) # fin...
Is there hard evidence of the ROI of unit testing?
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The bean counters couldn't tell a unit test from the rest of the code if their lives depended on it. I support the suggestion to just do it. There's one caveat, though: If you are not alone, you need your fellow developers to embrace this practice. If not, they will un...
How do you declare an interface in C++?
... It would still be nice to be able to create interfaces, to save us from typing so much (virtual , =0, virtual destructor). Also multiple inheritance seems like a really bad idea to me and I've never seen it used in practice, but interfaces are needed all the time. To bad the C++ comity won't...
Disable browser's back button
...y to hit the back button!
</body>
</html>
What is it doing?
From Comments:
This script leverages the fact that browsers consider whatever comes after the "#" sign in the URL as part of the browsing history. What it does is this: When the page loads, "#1" is added to the URL. After 50...
Finding the number of days between two dates
...time intervals not specific points in time, the format syntax is different from the date() and strftime() syntax. The time interval syntax can be found here: php.net/manual/en/dateinterval.format.php
– Andrew
Jun 4 '13 at 7:56
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Android Studio Checkout Github Error “CreateProcess=2” (Windows)
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I found what I think is a faster solution.
Install Git for Windows from here: http://git-scm.com/download/win
That automatically adds its path to the system variable during installation if you tell the installer to do so (it asks for that). So you don't have to edit anything manually.
Just...
Custom exception type
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From WebReference:
throw {
name: "System Error",
level: "Show Stopper",
message: "Error detected. Please contact the system administrator.",
htmlMessage: "Error detected. Please contact the <a...
Disabled UIButton not faded or grey
...lutions that change the look depending on control state like this and this from below are a much better idea. They're using the built in mechanism to achieve an automatic change, rather than needing to explicitly update the control's look depending on its state.
– Benjohn
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Polymorphism vs Overriding vs Overloading
...ften one of its ancestor classes. For example, in Java all classes inherit from Object. Therefore, you can create a variable of type Object and assign to it an instance of any class.
An override is a type of function which occurs in a class which inherits from another class. An override function "r...
Swift compiler segmentation fault when building
...extension to the class that's giving you problems.
Move a group of methods from the main file to SegFaultDebugger.swift.
Compile.
At this point, one of three things happens:
You still get the segfault in the original file: Move the methods from SegFaultDebugger.swift back to the original file an...