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How to get the first element of the List or Set? [duplicate]
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In Java >=8 you could also use the Streaming API:
Optional<String> first = set.stream().findFirst();
(Useful if the Set/List may be empty.)
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sqlalchemy: how to join several tables by one query?
...rmissions.document,
).filter(
User.email == 'someemail',
).all()
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Fastest way to list all primes below N
...4.0 |
| sundaram3 | 416.0 |
+---------------------+-------+
Of all the methods tested, allowing numpy, for n=1000000,
primesfrom2to was the fastest tested.
+---------------------+-------+
| Method | ms |
+---------------------+-------+
| primesfrom2to | 15.9 |
| p...
Ruby: How to post a file via HTTP as multipart/form-data?
...o an HTTP POST that looks like an HMTL form posted from a browser. Specifically, post some text fields and a file field.
12...
How can I check whether Google Maps is fully loaded?
... you're using the Maps API v3, this has changed.
In version 3, you essentially want to set up a listener for the bounds_changed event, which will trigger upon map load. Once that has triggered, remove the listener as you don't want to be informed every time the viewport bounds change.
This may cha...
How do I assert my exception message with JUnit Test annotation?
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I personally wouldn't want to use this since creating fields for the purpose of a small subset of methods is bad practice. Not a criticism of the response, but of JUnit's design. The OP's hypothetical solution would be so much better...
How to activate “Share” button in android app?
...application used for sharing and after sharing complete i have to call one API. Is to possible to check which application used and also how to call API after sharing? Thank you...
– patel135
Jun 6 '16 at 6:00
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jquery change class name
...ss('change_me newClass');
Here's the full list of jQuery methods specifically for the class attribute.
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How do I get the real .height() of a overflow: hidden or overflow: scroll div?
...qual to the minimum clientHeight the element would require in order to fit all the content in the viewpoint without using a vertical scrollbar. It includes the element padding but not its margin.
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How to make Java honor the DNS Caching Timeout?
...rkaddress.cache.negative.ttl as System Properties by using the -D flag or calling System.setProperty because these are not System properties - they are Security properties.
If you want to use a System property to trigger this behavior (so you can use the -D flag or call System.setProperty), you wil...