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How to crop circular area from bitmap in Android
...t rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
// canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2,
bit...
What is (functional) reactive programming?
...erstand, and I'm disinclined to make wild guesses about what particular subset of English you're looking for. However, I invite you to say specifically what aspects of my explanation above you're having tripping up on, so that I and others can help you out. For instance, are there particular words y...
Adding git branch on the Bash command prompt
...and-substitution:
Bash:
PS1='[\u@\h \W$(__git_ps1 " (%s)")]\$ '
Zsh:
setopt PROMPT_SUBST ; PS1='[%n@%m %c$(__git_ps1 " (%s)")]\$ '
git < 1.9.3
But note that only git 1.9.3 (May 2014) or later allows you to safely display that branch name(!)
See commit 8976500 by Richard Hansen (richardh...
Easy way to dismiss keyboard?
...ks that text field to resign as first responder. If the force parameter is set to YES, the text field is never even asked; it is forced to resign." - so this is IMO the correct answer to the original question (use-case: I have a form with millions of fields, well - ten... or so, and I need to dismis...
JMS and AMQP - RabbitMQ
...aging services.
JMS (Java Messaging Service) is a JCP standard defining a set of structured APIs to be implemented by a MOM. An example of MOM that implements (i.e. is compatible with) the JMS APIs is ActiveMQ; there's also HornetMQ, and others. Such middlewares get the JMS APIs and implement the e...
How many threads is too many?
...sure, don't guess. One suggestion is to make it configurable and initially set it to 100, then release your software to the wild and monitor what happens.
If your thread usage peaks at 3, then 100 is too much. If it remains at 100 for most of the day, bump it up to 200 and see what happens.
You co...
How do ACID and database transactions work?
...
ACID is a set of properties that you would like to apply when modifying a database.
Atomicity
Consistency
Isolation
Durability
A transaction is a set of related changes which is used to achieve some of the ACID properties. Transact...
Get list of data-* attributes using javascript / jQuery
...-value="2" as data.myValue;
jsfiddle.net/3KFYf/33
Edit: If you wanted to set data attributes on your element programmatically from an object, you could:
Object.keys(data).forEach(function(key) {
var attrName = "data-" + key.replace(/[A-Z]/g, function($0) {
return "-" + $0.toLowerCase(...
Anatomy of a “Memory Leak”
... the using statement these include brushes, pens etc.(some people argue to set everything to nothing in addition)
b)Anything that has a close method is closed again using finally or the using statement (although I have found using does not always close depending if you declared the object outside ...
Upload artifacts to Nexus, without Maven
...uilder builder = new RequestBuilder("POST");
Request request = builder.setUrl("https://oss.sonatype.org/service/local/staging/profiles/" + profile + "/finish")
.addHeader("Content-Type", "application/json")
.addHeader("Authorization", "Ba...