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What requirement was the tuple designed to solve?

...ff and write a class, and just want to think about what I've writing right now. Which means the signature of the Tuple may change quite a lot in the text half an hour whilst I figure out what data I am going to need for this method, and how it's returning what ever values it will return. If I get ...
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How to get users to read error messages?

...rror messages there will be...which implies...training and documentation...now this is a tricky one to get across...you don't want them to think that there will be 'issues' or 'glitches' and what to do in the event of that...they must not know that there will be possible errors, tricky indeed. Alway...
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What's the difference between struct and class in .NET?

...the moment Internally, reference types are implemented as pointers, and knowing that, and knowing how variable assignment works, there are other behavioral patterns: copying the contents of a value type variable into another variable, copies the entire contents into the new variable, making the ...
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Case statement with multiple values in each 'when' block

... I don't know why, but this strange situation happens: When I write this: when "toyota", "lexus", I get: unexpected tSTRING_BEG, expecting keyword_do or '{' or '(' (SyntaxError). However, when I write this: when "toyota","lexus", it...
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Hibernate Annotations - Which is better, field or property access?

...ou avoid persisting a calculated value by having property based access? I know you are arguing not to do so but I am not getting the point here. Can you please explain? – Geek Jun 19 '14 at 11:12 ...
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How to get my IP address programmatically on iOS/macOS?

...ay 16, 2014 (bug pointed out by lhunath, see comments). Loopback addresses now returned, but its easy for you to uncomment the test to exclude them yourself. EDIT2: (by some unknown person): Improved further March 13, 2015: In case the user uses a VPN (regardless over WiFi or Cellular), the previou...
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How to remove jar file from local maven repository which was added with install:install-file?

I use above command to install local jar into maven local repo. Now I have got the dependency from maven repo. I want to remove this from local repo. How to clean it ? ...
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Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.

... Update data.table v1.9.6+ now supports OP's original attempt and the following answer is no longer necessary. You can use DT[order(-rank(x), y)]. x y v 1: c 1 7 2: c 3 8 3: c 6 9 4: b 1 1 5: b 3 2 6: b 6 3 7: a 1 4 8: a 3 5 9: a 6 6 ...
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techniques for obscuring sensitive strings in C++

...oes an awesome job of protecting your binaries. It is often used by well known programs, such as Spotify, to protect against reverse engineering. It has features to prevent debugging in programs such as OllyDbg and Ida Pro. There is also a larger list, maybe somewhat outdated, of tools to protect...
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Understanding __get__ and __set__ and Python descriptors

... make sure those divisions are / 5.0 and / 9.0). That gives: 100.0 32.0 Now there are other, arguably better ways to achieve the same effect in python (e.g. if celsius were a property, which is the same basic mechanism but places all the source inside the Temperature class), but that shows what c...