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How to make a copy of a file in android?

...or me with the exception java.io.FileNotFoundException: /sdcard/AppProj/IMG_20150626_214946.jpg: open failed: ENOENT (No such file or directory) at the FileOutputStream outStream = new FileOutputStream(dst); step. According to the text I realize, that the file doesn't exist, so I check it and call d...
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From inside of a Docker container, how do I connect to the localhost of the machine?

...as described in qoomon's answer. 2020-01: some progress has been made. If all goes well, this should land in Docker 20.04 TLDR Use --network="host" in your docker run command, then 127.0.0.1 in your docker container will point to your docker host. Note: This mode only works on Docker for Linux...
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Find document with array that contains a specific value

... @AeroWang use this db.person.find( { favouriteFoods: { $all: ["sushi", "sashimi"] } } ) will return all person loving both "sushi" and "sashimi" someone pointed it a few answers below – benraay Jul 1 at 14:20 ...
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Plot correlation matrix into a graph

...answered Mar 28 '11 at 2:37 bill_080bill_080 4,34611 gold badge2020 silver badges3030 bronze badges ...
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Add more than one parameter in Twig path

...n pass as many arguments as you want, separating them by commas: {{ path('_files_manage', {project: project.id, user: user.id}) }} share | improve this answer | follow ...
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How to access parent Iframe from JavaScript

...d Oct 10 '10 at 16:13 ingredient_15939ingredient_15939 2,78077 gold badges2727 silver badges4848 bronze badges ...
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What is Haskell used for in the real world? [closed]

... to be able to easily roll back every change if some object deep in the call hierarchy decided the message is flawed? How about having a history of different states? Many housekeeping tasks made for you: deconstructing data structures (PatternMatching), storing variable bindings (LexicalScop...
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Left align two graph edges (ggplot)

... Using cowplot package: A <- ggplot(CO2, aes(x=Plant)) + geom_bar() +coord_flip() B <- ggplot(CO2, aes(x=Type)) + geom_bar() +coord_flip() library(cowplot) plot_grid(A, B, ncol=1, align="v") share ...
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Draw in Canvas by finger, Android

...ur onDraw() you draw the paths using the paint of your choice. You should call invalidate() to refresh the view. To choose options you can click menu and choose the options. The below can be used as a reference. You can modify the below according to your needs. public class FingerPaintActivity ex...
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switch case statement error: case expressions must be constant expression

...instead of an if-else: private enum LayoutElement { NONE(-1), PLAY_BUTTON(R.id.playbtn), STOP_BUTTON(R.id.stopbtn), MENU_BUTTON(R.id.btnmenu); private static class _ { static SparseArray<LayoutElement> elements = new SparseArray<LayoutElement>(); } ...