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Implement Stack using Two Queues
...eue1 is bigger than 1, pipe dequeued items from queue1 into queue2
dequeue and return the last item of queue1, then switch the names of queue1 and queue2
Version B (efficient pop):
push:
enqueue in queue2
enqueue all items of queue1 in queue2, then switch the names of queue1 and queue2
pop:
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GDB missing in OS X v10.9 (Mavericks)
I went to use GDB in OS X v10.9 (Mavericks), and it's not there. Where has it gone?
12 Answers
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How do I format a date in Jinja2?
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There are two ways to do it. The direct approach would be to simply call (and print) the strftime() method in your template, for example
{{ car.date_of_manufacture.strftime('%Y-%m-%d') }}
Another, sightly better approach would be to define your own filter, e.g.:
from flask import Flask
import b...
How can I view all the git repositories on my machine?
...which I can see all the git repositories that exist on my machine? Any command for that?
10 Answers
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Looping a video with AVFoundation AVPlayer?
...ect as? AVPlayerItem {
playerItem.seek(to: CMTime.zero, completionHandler: nil)
}
}
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javascript: Clear all timeouts?
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It need not start at 1. The HTML5 spec says "Let handle be a user-agent-defined integer that is greater than zero that will identify the timeout to be set by this call." which leaves room for the handle to be any positive integer including non-consecutive and non-small integ...
setResult does not work when BACK button pressed
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You need to overide the onBackPressed() method and set the result before the call to superclass, i.e
@Override
public void onBackPressed() {
Bundle bundle = new Bundle();
bundle.putString(FIELD_A, mA.getText().toString());
Intent mIntent = new Intent();
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How can I get the ID of an element using jQuery?
Why doesn't the above work, and how should I do this?
19 Answers
19
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Accept server's self-signed ssl certificate in Java client
It looks like a standard question, but I couldn't find clear directions anywhere.
12 Answers
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How to select unique records by SQL
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With the distinct keyword with single and multiple column names, you get distinct records:
SELECT DISTINCT column 1, column 2, ...
FROM table_name;
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