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How do I read all classes from a Java package in the classpath?

... in a Java package. Those classes are in classpath. I need to do this task from a Java program directly. Do you know a simple way to do? ...
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Uint8Array to string in Javascript

... TextEncoder and TextDecoder from the Encoding standard, which is polyfilled by the stringencoding library, converts between strings and ArrayBuffers: var uint8array = new TextEncoder("utf-8").encode("¢"); var string = new TextDecoder("utf-8").decode(u...
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How to upload a file to directory in S3 bucket using boto

... Try this... import boto import boto.s3 import sys from boto.s3.key import Key AWS_ACCESS_KEY_ID = '' AWS_SECRET_ACCESS_KEY = '' bucket_name = AWS_ACCESS_KEY_ID.lower() + '-dump' conn = boto.connect_s3(AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY) bucket = conn.create...
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How to remove all null elements from a ArrayList or String Array?

...use of brevity, but because it's more expressive. You can almost read it: "From tourists, remove if object is null". Also, the old way is creating a new collection with a single null object, and then asking to remove the contents of a collection from the other. Seems a bit of a hack, don't you think...
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What are free monads?

...if X is a Y with some extra stuff P, then a "free X" is a a way of getting from a Y to an X without gaining anything extra. Examples: a monoid (X) is a set (Y) with extra structure (P) that basically says it has an operation (you can think of addition) and some identity (like zero). So class Mono...
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Maven dependency for Servlet 3.0 API?

...s. Is there a source that confirms this assumption? The maven repository from Java.net indeed offers the following artifact for the WebProfile: <repositories> <repository> <id>java.net2</id> <name>Repository hosting the jee6 artifacts</name> <u...
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Open Sublime Text from Terminal in macOS

...s to work on my OSX box. I used these steps to get it to work: Test subl from your ST installation: First, navigate to a small folder in Terminal that you want ST to open and enter the following command: /Applications/Sublime\ Text.app/Contents/SharedSupport/bin/subl . NOTE: You may need to re...
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Concurrent vs serial queues in GCD

...le: you have a block that takes a minute to execute. You add it to a queue from the main thread. Let's look at the four cases. async - concurrent: the code runs on a background thread. Control returns immediately to the main thread (and UI). The block can't assume that it's the only block running ...
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Extending an Object in Javascript

I am currently transforming from Java to Javascript, and it's a bit hard for me to figure out how to extend objects the way I want it to do. ...
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How to convert a PIL Image into a numpy array?

...uld be able to do either pic.putdata(pix) or create a new image with Image.fromarray(pix). share | improve this answer | follow | ...