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How to convert hex to rgb using Java?
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I guess this should do it:
/**
*
* @param colorStr e.g. "#FFFFFF"
* @return
*/
public static Color hex2Rgb(String colorStr) {
return new Color(
Integer.valueOf( colorStr.substring( 1, 3 ), 16 ),
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Android - Handle “Enter” in an EditText
...g Enter while typing in an EditText , something like the onSubmit HTML event.
28 Answers
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What's the difference between SCSS and Sass?
From what I've been reading, Sass is a language that makes CSS more powerful with variable and math support.
13 Answers
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Haskell, Lisp, and verbosity [closed]
For those of you experienced in both Haskell and some flavor of Lisp, I'm curious how "pleasant" (to use a horrid term) it is to write code in Haskell vs. Lisp.
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How do I make a textbox that only accepts numbers?
I have a windows forms app with a textbox control that I want to only accept integer values. In the past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more g...
Really Cheap Command-Line Option Parsing in Ruby
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Unfortunately MyApp has stopped. How can I solve this?
I am developing an application, and everytime I run it, I get the message:
20 Answers
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Batch file to delete files older than N days
...ooking for a way to delete all files older than 7 days in a batch file. I've searched around the web, and found some examples with hundreds of lines of code, and others that required installing extra command line utilities to accomplish the task.
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Random hash in Python
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A md5-hash is just a 128-bit value, so if you want a random one:
import random
hash = random.getrandbits(128)
print("hash value: %032x" % hash)
I don't really see the point, though. Maybe you should elaborate why you need this...
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Can I run multiple programs in a Docker container?
...ask web application and mongo database. Normally I would install both in a VM and, forward a host port to the guest web app. I'd like to give Docker a try but I'm not sure how I'm meant to use more than one program. The documentations says there can only be only ENTRYPOINT so how can I have Mongo an...