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Use URI builder in Android or create URL with variables
...p;sort=relevance#section-name
To build this with the Uri.Builder I would do the following.
Uri.Builder builder = new Uri.Builder();
builder.scheme("https")
.authority("www.myawesomesite.com")
.appendPath("turtles")
.appendPath("types")
.appendQueryParameter("type", "1")
.appen...
How does HashSet compare elements for equality?
...red equal"). This is almost never implemented on the type itself (i.e. Foo doesn't implement IEqualityComparer<Foo>) but in a separate type which is only used for comparisons.
Implement equality in the type itself, by overriding GetHashCode and Equals(object). Ideally, implement IEquatable<...
How to implement __iter__(self) for a container object (Python)
...ld from some_list
Pre-3.3, yield from didn't exist, so you would have to do:
def __iter__(self):
yield 5
for x in some_list:
yield x
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Custom thread pool in Java 8 parallel stream
... pool. If you execute it as a task in a fork-join pool, it stays there and does not use the common one.
final int parallelism = 4;
ForkJoinPool forkJoinPool = null;
try {
forkJoinPool = new ForkJoinPool(parallelism);
final List<Integer> primes = forkJoinPool.submit(() ->
...
How to remove a lua table entry by its key?
...ted way of removing an item in the hashmap portion of a table. What you're doing is standard. However, I'd recommend not overriding table.remove() - for the array portion of a table, the default table.remove() functionality includes renumbering the indices, which your override would not do. If you d...
Difference between 'new operator' and 'operator new'?
...nd only once it uses new operator to refer to the place of call. I tend to do the same: operator new for the allocator and new expression for the use.
– David Rodríguez - dribeas
Mar 16 '11 at 19:19
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How to get share counts using graph API
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The linkedin one does not work (gives 403 access denied)
– Maxim Krizhanovsky
Feb 23 '14 at 15:42
2
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Count the number of occurrences of a character in a string in Javascript
...head in speed, at least in Chrome, but again creating the extra array just doesn't seem sane.
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How to crop circular area from bitmap in Android
...s bitmap. All pixels outside the circle should be transparent. How can I do this?
17 Answers
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How can I use UUIDs in SQLAlchemy?
...ID columns. This is easy (and the question is specifically postgres) -- I don't understand why the other answers are all so complicated.
Here is an example:
from sqlalchemy.dialects.postgresql import UUID
from flask_sqlalchemy import SQLAlchemy
import uuid
db = SQLAlchemy()
class Foo(db.Model):...