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Can we write our own iterator in Java?
...ok at a more complete implementation at my personal practice google code.
Now, to get the effects of what you need I think you need to plug a concept of a filter in the Iterator... Since the iterator depends on the next values, it would be hard to return true on hasNext(), and then filter the next(...
PHP Error handling: die() Vs trigger_error() Vs throw Exception
In regards to Error handling in PHP -- As far I know there are 3 styles:
2 Answers
2
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Using the “animated circle” in an ImageView while loading stuff
..._LOADING_DIALOG);
fooThread = new FooThread(handler);
fooThread.start();
Now the thread does the work:
private class FooThread extends Thread {
Handler mHandler;
FooThread(Handler h) {
mHandler = h;
}
public void run() {
//Do all my work here....you might need a...
What is tail call optimization?
...tyle. Many languages (Java, Python) doesn't provide TCO, then you have to know that a functional call costs memory... and the imperative style is prefered.
– mcoolive
Nov 7 '16 at 12:41
...
How could I use requests in asyncio?
... what you would write if you got Python 3.5+.
aiohttp supports http proxy now
import aiohttp
import asyncio
async def fetch(session, url):
async with session.get(url) as response:
return await response.text()
async def main():
urls = [
'http://python.org',
...
Why does the lock object have to be static?
... a comment above you rightly said: "You are just overcomplicating things," now I see 1 min before saying that, it seems you were overcomplicating things :)
– Nicholas Petersen
Jul 25 '16 at 16:59
...
How do you create a transparent demo screen for an Android app?
...a transparent activity, so you will be able to see the activity below it.
Now I'm guessing you want a translucent background too.
In the xml layout (of your transparent activity) add:
android:background="#aa000000"
The last 6 digits define the color: 000000 is black.
The first 2 define the o...
Turning Sonar off for certain code
...cident.
You can read more about this in the FAQ
Edit: 6/30/16
SonarQube is now called SonarLint
In case you are wondering how to find the squid number. Just click on the Sonar message (ex. Remove this method to simply inherit it.) and the Sonar issue will expand.
On the bottom left it will have the ...
What is the difference between persist() and merge() in JPA and Hibernate?
...entity (updated) and a copy of this updated entity will return back. (from now on any changes should be made on this returned entity if you want to reflect your changes in persistence context)
share
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How can I measure the speed of code written in PHP? [closed]
...rturbating element" is averaged.
Something like this, so, if you want to know how long it take to serialize an array :
$before = microtime(true);
for ($i=0 ; $i<100000 ; $i++) {
serialize($list);
}
$after = microtime(true);
echo ($after-$before)/$i . " sec/serialize\n";
Not perfect, but...