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How to use support FileProvider for sharing content to other apps?

... Using FileProvider from support library you have to manually grant and revoke permissions(at runtime) for other apps to read specific Uri. Use Context.grantUriPermission and Context.revokeUriPermission methods. For example: //grant permision for app with package "packegeName", ...
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Reading output of a command into an array in Bash

...tput of a command in an array, with one line per element, there are essentially 3 ways: With Bash≥4 use mapfile—it's the most efficient: mapfile -t my_array < <( my_command ) Otherwise, a loop reading the output (slower, but safe): my_array=() while IFS= read -r line; do my_array+...
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Naming convention for utility classes in Java

... you use it consistently. Like, if you have three utility classes and you call them CustomerUtil, ProductUtils, and StoreUtility, other people trying to use your classes are going to constantly get confused and type CustomerUtils by mistake, have to look it up, curse you a few times, etc. (I heard a...
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Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?

... LOAD_PATH , so this broke them (they reported "no such file to load" for all require statements that based off the project path). Was there a particular justification for doing this? ...
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Why do I need to do `--set-upstream` all the time?

...he one at origin in the same way as git branch --set-upstream does. Personally, I think it's a good thing to have to set up that association between your branch and one on the remote explicitly. It's just a shame that the rules are different for git push and git pull. 1 It may sound silly, but ...
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Declaring and initializing variables within Java switches

... Switch statements are odd in terms of scoping, basically. From section 6.3 of the JLS: The scope of a local variable declaration in a block (§14.4) is the rest of the block in which the declaration appears, starting with its own initializer and including any further decla...
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Better way of getting time in milliseconds in javascript?

...y Date.now(). The skipping is most likely due to garbage collection. Typically garbage collection can be avoided by reusing variables as much as possible, but I can't say specifically what methods you can use to reduce garbage collection pauses. ...
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File extension for PowerShell 3

All of us probably know .bat for Batch files. 1 Answer 1 ...
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Chrome: timeouts/interval suspended in background tabs?

...ted) setTimeout is not very accurate but for most appliances not dramatically inaccurate. Now if I run the test in in Chrome and let it run in a background tab (so, switching to another tab and browse on there), returning to the test and inspecting te results (if the test finished) they are dramat...
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'const string' vs. 'static readonly string' in C#

...e private const for values that aren't, strictly speaking, constants; basically it's misusing const for micro-optimisation purposes. I'm going to stand by my "never, ever, ever" statement, even if it makes me a hypocrite. ;) – LukeH Nov 18 '12 at 1:32 ...