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Binary search (bisection) in Python
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I originally +1'ed this, but now I've come to the conclusion this isn't a good thing. If this answer is followed, it'll cause a lot of code duplication, and as we all know, it's really simple to f*ck up binary search.
– abyx
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Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
...lly runs a short Bash script. That script, either directly or indirectly, knows where all the files needed are and sets variables and command line parameters, finally calling the program. That's a shell's simplest use.
Linux as we know it however would hardly be Linux without the thousands of shell...
What is the Sign Off feature in Git for?
...eated the patch in question, or that you certify that to the best of your knowledge, it was created under an appropriate open-source license, or that it has been provided to you by someone else under those terms. This can help establish a chain of people who take responsibility for the copyright sta...
What are the use-cases for Web Workers? [closed]
... changing, wait till status changes to "all calculations complete, you can now review the final #s and save".
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Efficient way to rotate a list in python
What is the most efficient way to rotate a list in python?
Right now I have something like this:
26 Answers
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Converting strings to floats in a DataFrame
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NOTE: pd.convert_objects has now been deprecated. You should use pd.Series.astype(float) or pd.to_numeric as described in other
answers.
This is available in 0.11. Forces conversion (or set's to nan)
This will work even when astype will fail; its als...
In-App Billing test: android.test.purchased already owned
...essfully "bought" the test item "android.test.purchased" the first time, I now receive the response code 7 every time I try to buy it again, which means that I already own this item.
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Detect backspace in empty UITextField
...essed in the iPhone keyboard on a UITextField that is empty? I want to know when Backspace is pressed only if the UITextField is empty.
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Do you get charged for a 'stopped' instance on EC2? [closed]
... It seems that we charge a full instance hour part is changed now. Following is from the same EC2 doc you have linked: Each time you start a stopped instance we charge a minimum of one minute for usage. After one minute, we charge only for the seconds you use. For example, if you run a...
Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...ird value returns true - 128 == 128 is evaluated, and is of course, true.
Now, a fair bit happens to make that third result true:
An unboxing conversion occurs with respect to the equivalence operator you're using and the datatypes you have - namely, int and Integer. You're getting an Integer fr...