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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
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What would cause an algorithm to have O(log log n) complexity?
...ons by a constant, the algorithm must shrink the problem size down to 0 or 1. This is why, for example, binary search has complexity O(log n).
Interestingly, there is a similar way of shrinking down the size of a problem that yields runtimes of the form O(log log n). Instead of dividing the input ...
Extract substring in Bash
Given a filename in the form someletters_12345_moreleters.ext , I want to extract the 5 digits and put them into a variable.
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Eclipse error: “The import XXX cannot be resolved”
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Do SVG docs support custom data- attributes?
...in XML attributes whose names start with data- such as <p data-myid="123456"> . Is this part of the SVG spec too?
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Pandas selecting by label sometimes return Series, sometimes returns DataFrame
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Granted that the behavior is inconsistent, but I think it's easy to imagine cases where this i...
Android Studio - local path doesn't exist
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I originally saw this error after upgrading from 0.2.13 to 0.3. These instructions have been updated for the release of Android Studio 0.5.2. These are the steps I completed to resolve the issue.
1.In build.gradle make sure gradle is set to 0.9.0
buildscript {
repositorie...
How to implement “select all” check box in HTML?
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<script language="JavaScript">
function toggle(source) {
checkboxes = document.getEleme...
JS: Check if date is less than 1 hour ago?
Is there a way to check if a date is less than 1 hour ago?
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