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What are rvalues, lvalues, xvalues, glvalues, and prvalues?
... longer say that SomeType&& means the same thing everwhere. You've now made a distinction between named rvalue references and unnamed rvalue references. Well, named rvalue references are lvalues; that was our solution above. So what do we call unnamed rvalue references (the return value from...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
...ex + 1) (triangle + index + 1)
main = print $ nextTriangle 1 1
EDIT: So now that we've explored that, lets address the questions
Question 1: Do erlang, python and haskell lose speed due to using
arbitrary length integers or don't they as long as the values are less
than MAXINT?
In Haske...
How to plot two columns of a pandas data frame using points?
...
Now in latest pandas you can directly use df.plot.scatter function
df = pd.DataFrame([[5.1, 3.5, 0], [4.9, 3.0, 0], [7.0, 3.2, 1],
[6.4, 3.2, 1], [5.9, 3.0, 2]],
columns=['length', 'width...
Get the full URL in PHP
...erything else you had to say. Also, I didn't misunderstand anything (You know what they say about assuming...), I know exactly what you're doing, and it's not good practice.
– Yes Barry
Aug 6 '14 at 14:46
...
Programmatically change UITextField Keyboard type
...one project with respective keyboard type. this is woked few days ago. but now this is not worked. Not getting actual reason
– Rahul Phate
Jun 19 '19 at 11:43
...
Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?
...are based on the same underlying principle: in general, you simply cannot know what the current directory is, when your code is run. Which means that, when you require a file and depend on it being in the current directory, you have no way of controlling whether that file will even be there, or whet...
Immutable vs Mutable types
I'm confused on what an immutable type is. I know the float object is considered to be immutable, with this type of example from my book:
...
What does new self(); mean in PHP?
...
That's why PHP 5.3 introduces a new usage for the static keyword : it can now be used exactly where we used self in those examples :
class MyParentClass {
public static function getInstance() {
return new static();
}
}
class MyChildClass extends MyParentClass {
}
$a = MyChildClas...
Types in MySQL: BigInt(20) vs Int(20)
...
` it affects only the ZEROFILL option:` now my curiosity ends
– Umair Ayub
Jul 5 '16 at 10:42
6
...
How do I log a Python error with debug information?
...pplication does logging some other way – not using the logging module?
Now, traceback could be used here.
import traceback
def log_traceback(ex, ex_traceback=None):
if ex_traceback is None:
ex_traceback = ex.__traceback__
tb_lines = [ line.rstrip('\n') for line in
...