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switch case statement error: case expressions must be constant expression

...ts are not final in a library project. Therefore your code would no longer compile. The solution for this is simple: Convert the switch statement into an if-else statement. public void onClick(View src) { int id = src.getId(); if (id == R.id.playbtn){ checkwificonnection(); } e...
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Accessing last x characters of a string in Bash

...r gets a few regular views, let me add a possibility to address John Rix's comment; as he mentions, if your string has length less than 3, ${string: -3} expands to the empty string. If, in this case, you want the expansion of string, you may use: ${string:${#string}<3?0:-3} This uses the ?: te...
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Usage of sys.stdout.flush() method

... edited May 23 '17 at 12:18 Community♦ 111 silver badge answered Apr 4 '12 at 21:35 Haldean BrownHaldean...
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Comparing Haskell's Snap and Yesod web frameworks

...em all together and provides the powerful snaplets API that makes web apps composable and modular. Yesod has a host of projects on hackage. Most (all?) of them are listed in the Yesod category. Some of the notable ones are yesod-core, warp, persistent, and hamlet. The reality of Haskell web deve...
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Setting unique Constraint with fluent API?

...que Constraint. I was seeing old posts that suggested executing native SQL commands for this, but that seem to defeat the purpose. is this possible with EF6? ...
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Rails Model find where not equal

... edited May 23 '17 at 12:10 Community♦ 111 silver badge answered Sep 12 '11 at 17:54 Vikrant ChaudharyVi...
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Nullable ToString()

... edited May 23 '17 at 12:18 Community♦ 111 silver badge answered Mar 15 '10 at 17:17 Tomas VanaTomas Van...
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What is a “web service” in plain English?

...programs can understand the output. The full definition is obviously more complex but you asked for plain English. share | improve this answer | follow | ...
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Transfer-Encoding: gzip vs. Content-Encoding: gzip

What is the current state of affairs when it comes to whether to do 2 Answers 2 ...
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jQuery changing style of HTML element

...lor: "#fff"}) - PS i hate double quotes but they are easier to see in this comment – danday74 May 9 '19 at 1:36 add a comment  |  ...