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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...y.
What is the classic use case?
Consider that you want to extract information from a recursive data structure. Let's say we want to get all leaf nodes in a tree:
def traverse_tree(node):
if not node.children:
yield node
for child in node.children:
yield from traverse_tree(child)
...
How to embed a SWF file in an HTML page?
...ed is unfortunately gone. Here's an archived version: web.archive.org/web/20180602024700/https://yoast.com/…
– Hermann.Gruber
Feb 13 '19 at 13:51
add a comment
...
Failed to load resource under Chrome
...hromium tip - wasn't aware of this project. Installed version 10.0.621.0 (70119). Have recreated the problem. The message in the Network tab is 16 requests 0B transfered. The console is stating: GET localhost:51707/Content/Theme.css undefined (undefined) Even thought 20 seconds before it fetched it ...
What's the best way to build a string of delimited items in Java?
...m:
StringJoiner
StringJoiner joiner = new StringJoiner(",");
joiner.add("01").add("02").add("03");
String joinedString = joiner.toString(); // "01,02,03"
String.join(CharSequence delimiter, CharSequence... elements))
String joinedString = String.join(" - ", "04", "05", "06"); // "04 - 05 - 06...
How to turn off the Eclipse code formatter for certain sections of Java code?
...
answered Apr 11 '14 at 15:01
RenaudRenaud
13.8k44 gold badges6969 silver badges7575 bronze badges
...
How to enable PHP short tags?
... |
edited Aug 2 '12 at 12:01
answered Feb 2 '10 at 15:46
RJ...
Scala type programming resources
...ype for 0, namely _0; and each integer greater than zero has a type of the form Succ[A], where A is the type representing a smaller integer. For instance, the type representing 2 would be: Succ[Succ[_0]] (successor applied twice to the type representing zero).
We can alias various natural numbers f...
Reference: Comparing PHP's print and echo
...ssion:
5 + echo 6; // syntax error
In contrast, print expr, can alone form a statement:
print 5; // valid
Or, be part of an expression:
$x = (5 + print 5); // 5
var_dump( $x ); // 6
One might be tempted to think of print as if it were a unary operator, like ! or ~ however it i...
How do I use LINQ Contains(string[]) instead of Contains(string)
...
answered Oct 12 '08 at 2:01
tvanfossontvanfosson
475k9191 gold badges672672 silver badges767767 bronze badges
...
What is the difference between a schema and a table and a database?
...ables.
– Jon Skeet
Nov 18 '08 at 14:01
1
@Ian: don't forget that a database will also have constr...