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How to save an activity state using save instance state?

..."MyString", "Welcome back to Android"); // etc. } The Bundle is essentially a way of storing a NVP ("Name-Value Pair") map, and it will get passed in to onCreate() and also onRestoreInstanceState() where you would then extract the values from activity like this: @Override public void onRestoreI...
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What does the @ symbol before a variable name mean in C#? [duplicate]

...name is recorded in the assembly as "class", vs. with an underscore it is "_class". Thus, if another .NET language doesn't define "class" as a reserved word, they could use the name just "class". – P Daddy Jan 9 '09 at 20:23 ...
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Scala: Abstract types vs generics

... Sommers (May 18, 2009) Update (October2009): what follows below has actually been illustrated in this new article by Bill Venners: Abstract Type Members versus Generic Type Parameters in Scala (see summary at the end) (Here is the relevant extract of the first interview, May 2009, emphasis min...
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How do you sign a Certificate Signing Request with your Certification Authority?

...############################################################ [ ca ] default_ca = CA_default # The default ca section [ CA_default ] default_days = 1000 # How long to certify for default_crl_days = 30 # How long before next CRL default_md = sha256 # Use pub...
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Fast way of counting non-zero bits in positive integer

...nt() took about 1/20th of the time of bin(n).count("1"). So if you can install gmpy, use that. To answer a question in the comments, for bytes I'd use a lookup table. You can generate it at runtime: counts = bytes(bin(x).count("1") for x in range(256)) # py2: use bytearray Or just define it lit...
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How do I get IntelliJ IDEA to display directories?

...lliJ IDEA for JavaScript editing, and I like it so far, but I'm having a small problem with a new project. 15 Answers ...
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Is there a macro recorder for Eclipse? [closed]

...nd it works great. In order to make it work, then the file PracticallyMacro_0.4.9.jar needs to be put in the eclipse/downloads/plugins directory (create the plugins directory if it doesn't exist). You can edit macros by going to Windows/Preferences/Practically Macro Options and you can run the macro...
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String difference in Bash

...e is some difference between the two strings? – alpha_989 Aug 10 '17 at 15:28 @alpha_989 , here's your answer: $ diff ...
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Which Architecture patterns are used on Android? [closed]

I'm doing a small research of mobile platforms and I would like to know which design patterns are used in Android? 12 Answe...
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Is there a better way to do optional function parameters in JavaScript? [duplicate]

... Well, you aren't talking about optional parameters - you really are passing a parameter, so this solution doesn't apply to your case. NaN doesn't mean "undefined" - it means you've passing a number but its value is NaN. See stackoverflow.com/questions/3215120/… for more ...