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Are there any SHA-256 javascript implementations that are generally considered trustworthy?
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On https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest I found this snippet that uses internal js module:
async function sha256(message) {
// encode as UTF-8
const msgBuffer = new TextEncoder('utf-8').encode(message);
// h...
How do I run Asynchronous callbacks in Playground
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This API changed again in Xcode 8 and it was moved to the PlaygroundSupport:
import PlaygroundSupport
PlaygroundPage.current.needsIndefiniteExecution = true
This change was mentioned in Session 213 at WWDC 2016.
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Chaining multiple MapReduce jobs in Hadoop
... think that the above method might however be the way the now older mapred API did it, but it should still work. There will be a similar method in the new mapreduce API but i'm not sure what it is.
As far as removing intermediate data after a job has finished you can do this in your code. The way i'...
Get size of folder or file
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Using java-7 nio api, calculating the folder size can be done a lot quicker.
Here is a ready to run example that is robust and won't throw an exception. It will log directories it can't enter or had trouble traversing. Symlinks are ignored, ...
Arrays vs Vectors: Introductory Similarities and Differences [closed]
... safety features. You'll probably start using arrays when interfacing with API's that deal with raw arrays, or when building your own collections.
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How do I change the android actionbar title and icon
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getActionBar().setHomeButtonEnabled(true) uses API level 14 or up, if you just want back button functionality in older as well as newer APIs you just need getActionBar().setDisplayHomeAsUpEnabled(true)
– Akshat Agarwal
Nov 21 '13 at ...
How can I create tests in Android Studio?
...hem to test the parts of your code that just need Java and not the Android APIs. (Sometimes you can make a fake API object to test more things locally. This is called a mocking. A mock Context is an example.)
Instrumented tests. These tests are run on a real device or in the emulator. That makes the...
Makefiles with source files in different directories
...nc -Ipart3/inc
VPATH=part1/src:part2/src:part3/src
OutputExecutable: part1api.o part2api.o part3api.o
This will automatically find the matching partXapi.cpp files in any of the VPATH specified directories and compile them. However, this is more useful when your src directory is broken into subdir...
Python name mangling
...m if you want to look inside the class for some reason. The point is: your API should be good and the rest is details.
Guido said so
Well, this is not controversial: he said so, actually. (Look for "open kimono.")
This is culture
Yes, there are some reasons, but no critical reason. This is mostl...
How to check if a file exists in the Documents directory in Swift?
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Nowadays (2016) Apple recommends more and more to use the URL related API of NSURL, NSFileManager etc.
To get the documents directory in iOS and Swift 2 use
let documentDirectoryURL = try! NSFileManager.defaultManager().URLForDirectory(.DocumentDirectory,
inD...