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How to get all subsets of a set? (powerset)

... the letters to form strings) writing a custom recipe utilizing generators and building up the output you want (e.g. adding together two strings) can be much faster. – Ceasar Bautista Feb 23 '18 at 7:48 ...
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How to change context root of a dynamic web project in Eclipse?

...hese answers give workarounds. What actually must happen is that you clean and re-publish your project to "activate" the new URI. This is done by right-clicking your server (in the Servers view) and choosing Clean. Then you start (or restart it). Most of the other answers here suggest you do things ...
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Forced naming of parameters in Python

... Parameters after “*” or “*identifier” are keyword-only parameters and may only be passed used keyword arguments. >>> def foo(pos, *, forcenamed): ... print(pos, forcenamed) ... >>> foo(pos=10, forcenamed=20) 10 20 >>> foo(10, forcenamed=20) 10 20 >>&g...
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Can't seem to discard changes in Git

After seeing the following from the command line: 19 Answers 19 ...
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How to run a shell script at startup

On an Amazon S3 Linux instance, I have two scripts called start_my_app and stop_my_app which start and stop forever (which in turn runs my Node.js application). I use these scripts to manually start and stop my Node.js application. So far so good. ...
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Where is C not a subset of C++? [closed]

...definitions in C++ int n; int n; // ill-formed: n already defined int[] and int[N] not compatible (no compatible types in C++) int a[1]; int (*ap)[] = &a; // ill-formed: a does not have type int[] No K&R function definition style int b(a) int a; { } // ill-formed: grammar error Nest...
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How to use a dot “.” to access members of dictionary?

... Recommend adding getstate and setstate so that deep copy and other systems can support it. – user1363990 Sep 27 '17 at 3:01 4 ...
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Xcode: failed to get the task for process

...bution certificate, which disallows this behavior (you wouldn't want some random fool hooking into your app after downloading it from the app store). Compile with the development certificate instead. You can change this in the building settings under code signing. ...
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Check folder size in Bash

I'm trying to write a script that will calculate a directory size and if the size is less than 10GB, and greater then 2GB do some action. Where do I need to mention my folder name? ...
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How to change an Android app's name?

... Yes you can. By changing the android:label field in your application node in AndroidManifest.xml. Note: If you have added a Splash Screen and added <intent-filter> <action android:name="android.intent.action.MAIN" /> ...