大约有 40,000 项符合查询结果（耗时：0.0707秒） [XML]
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...
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...
Dynamically update values of a chartjs chart
I created an basic bar chart using chartjs and it works fine. Now I want to update the values on a time based interval. My problem is that after I created the chart, I do not know how to update its values correctly...
...
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...
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(...
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...
How do I completely uninstall Node.js, and reinstall from beginning (Mac OS X)
...
How to set env vars so that node and npm are available after such install?
– Maxim V. Pavlov
Sep 13 '15 at 9:55
...
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...
Floating point vs integer calculations on modern hardware
...t as scalar addss. (Use -march=native to allow using whatever instruction sets your CPU supports, not just the SSE2 baseline for x86-64).
– Peter Cordes