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Find row where values for column is maximal in a pandas DataFrame

...values as your index labels, like rows 'a' through 'e', you might want to know that the max occurs in row 4 (not row 'd'). if you want the integer position of that label within the Index you have to get it manually (which can be tricky now that duplicate row labels are allowed). HISTORICAL NOTE...
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Should we pass a shared_ptr by reference or by value?

...er and prettier. Seriously. Value* is short and readable, but it's bad, so now my code is full of const shared_ptr<Value>& and it's significantly less readable and just... less tidy. What used to be void Function(Value* v1, Value* v2, Value* v3) is now void Function(const shared_ptr<Val...
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What do

...it as a proof that A is String--the argument itself isn't important, only knowing that it exists. [edit: well, technically it actually is important because it represents an implicit conversion from A to String, which is what allows you to call a.length and not have the compiler yell at you] Now I c...
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How can I get browser to prompt to save password?

... (I've tested this in Chrome 27 and Firefox 21). There are two things to know: Trigger 'Save password', and Restore the saved username/password 1. Trigger 'Save password': For Firefox 21, 'Save password' is triggered when it detects that there is a form containing input text field and input ...
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Most efficient way to check for DBNull and then assign to a variable?

... Old now, but I've recently seen a number of cases where this was exactly what the profiler said to fix. Imagine evaluating large data sets, where every cell needs to make this check. Optimizing that can can reap big rewards. But ...
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What did MongoDB not being ACID compliant before v4 really mean?

...d have no formal computer science background, so bear with me. I want to know the kinds of real world negative things that can happen if you use an old MongoDB version prior to v4 , which were not ACID compliant. This applies to any ACID noncompliant database. ...
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Mockito: List Matchers with generics

...emoved in Mockito 3. Deprecated because Java 8 compiler can infer the type now. – Kip Nov 29 '16 at 0:02 @artbristol d...
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Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3

... My devices stopped working as Chrome de-activated the now depracated ADB plugin as it's built in dev-tools now. I downloaded the SDK and followed the instructions at Chrome Developers. How ever I found the instructions served by Alphonso out not to be sufficient and I did it th...
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How to mock a final class with mockito

... Mockito 2 now supports final classes and methods! But for now that's an "incubating" feature. It requires some steps to activate it which are described in What's New in Mockito 2: Mocking of final classes and methods is an incubating,...
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How do I create a category in Xcode 6 or higher?

...bjective-C file under Sources in iOS or Mac OS respectively and Click Next Now under File Type: choose either Category, Protocol, or Extension PS. Under File Name: whatever you type here will be either the Category, Protocol, or Extension Name. ...