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How to convert ‘false’ to 0 and ‘true’ to 1 in Python
Is there a way to convert true of type unicode to 1 and false of type unicode to 0 (in Python)?
7 Answers
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Volatile boolean vs AtomicBoolean
...ranteed that every method is "atomic".
Thus, if you use an AtomicInteger and getAndAdd(int delta), you can be sure that the result will be 10. In the same way, if two threads both negate a boolean variable concurrently, with an AtomicBoolean you can be sure it has the original value afterwards, wi...
What is the difference between print and puts?
For example in this line of code I wrote, print and puts produce different results.
6 Answers
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How to create and handle composite primary key in JPA
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You can make an Embedded class, which contains your two keys, and then have a reference to that class as EmbeddedId in your Entity.
You would need the @EmbeddedId and @Embeddable annotations.
@Entity
public class YourEntity {
@EmbeddedId
private MyKey myKey;
@Column(name ...
How do I use disk caching in Picasso?
I am using Picasso to display image in my android app:
9 Answers
9
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Where do I find the current C or C++ standard documents?
For many questions the answer seems to be found in "the standard". However, where do we find that? Preferably online.
12 An...
Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
...e
copying. Use the reference operator to
copy an array by reference.
And the given example :
<?php
$arr1 = array(2, 3);
$arr2 = $arr1;
$arr2[] = 4; // $arr2 is changed,
// $arr1 is still array(2, 3)
$arr3 = &$arr1;
$arr3[] = 4; // now $arr1 and $arr3 are the same
?>
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Behaviour for significant change location API when terminated/suspended?
...stion, I have done a fair bit of testing (mostly on the train between home and work) and have confirmed that the behaviour for suspended apps is as I suspected at the end of the question.
That is, your suspended app is woken up, you don't receive any callbacks on your app delegate, instead you re...
What's the best way of implementing a thread-safe Dictionary?
...e to implement a thread-safe Dictionary in C# by deriving from IDictionary and defining a private SyncRoot object:
8 Answer...
Allowing Untrusted SSL Certificates with HttpClient
...f you want to use the System.Net.Http.HttpClient, you can use the message handler adapter I wrote:
http://www.nuget.org/packages/WinRtHttpClientHandler
Docs are on the GitHub:
https://github.com/onovotny/WinRtHttpClientHandler
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