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.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,

.NET has a lot of complex data structures. Unfortunately, some of them are quite similar, and I'm not always sure when to use one and when to use another. Most of my C# and Visual Basic books talk about them to a certain extent, but they never really go into any real detail. ...
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Using the RUN instruction in a Dockerfile with 'source' does not work

... Eh? If you source a script inside a shell that only exists for the command, it's not able to have a lasting effect on any future commands run, assuming that the sum total of its action is setting environment variables. So why would you use source at all, vs just bash /usr/local/bin/vi...
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Best JavaScript compressor [closed]

What is the the best JavaScript compressor available? I'm looking for a tool that: 13 Answers ...
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What's the maximum value for an int in PHP?

Ignoring the special libraries that allow you to work with very big numbers, what's the largest int value you can store in PHP? ...
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How do you create a dictionary in Java? [closed]

...ing to implement a dictionary (as in the physical book). I have a list of words and their meanings. 4 Answers ...
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Web-scraping JavaScript page with Python

...ate it. The old answer is still at the end. dryscape isn't maintained anymore and the library dryscape developers recommend is Python 2 only. I have found using Selenium's python library with Phantom JS as a web driver fast enough and easy to get the work done. Once you have installed Phantom JS, ...
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Do try/catch blocks hurt performance when exceptions are not thrown?

...block. She and an IT representative suggested this can have effects on performance of the code. In fact, they suggested most of the code should be outside of try/catch blocks, and that only important sections should be checked. The Microsoft employee added and said an upcoming white paper warns agai...
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How to refresh app upon shaking the device?

...r activity class: /* put this into your activity class */ private SensorManager mSensorManager; private float mAccel; // acceleration apart from gravity private float mAccelCurrent; // current acceleration including gravity private float mAccelLast; // last acceleration including gravity ...
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Re-raise exception with a different type and message, preserving existing information

I'm writing a module and want to have a unified exception hierarchy for the exceptions that it can raise (e.g. inheriting from a FooError abstract class for all the foo module's specific exceptions). This allows users of the module to catch those particular exceptions and handle them distinctly,...
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Abstract functions in Swift Language

... or fatalError("This method must be overridden") – nathan Jun 8 '14 at 20:20 5 ...