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What's the best way to iterate over two or more containers simultaneously
...tage of your indices implementation in comparison to boost counting_range? One could simply use boost::counting_range(size_t(0), containerA.size())
– SebastianK
Nov 6 '14 at 13:11
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Why are empty strings returned in split() results?
...results, you may want to look at the filter function.
Example:
f = filter(None, '/segment/segment/'.split('/'))
s_all = list(f)
returns
['segment', 'segment']
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How to make rounded percentages add up to 100%
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Since none of the answers here seem to solve it properly, here's my semi-obfuscated version using underscorejs:
function foo(l, target) {
var off = target - _.reduce(l, function(acc, x) { return acc + Math.round(x) }, 0);
r...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...ork server program that shall handle 1000 clients connected in parallel:
One thread per connection (can be blocking I/O, but can also be non-blocking I/O).
Each thread requires memory resources (also kernel memory!), that is a disadvantage. And every additional thread means more work for the sched...
Regex to get string between curly braces
Unfortunately, despite having tried to learn regex at least one time a year for as many years as I can remember, I always forget as I use them so infrequently. This year my new year's resolution is to not try and learn regex again - So this year to save me from tears I'll give it to Stack Overflow ...
Why generate long serialVersionUID instead of a simple 1L?
... or generated serialVersionUID(3567653491060394677L) . I think that first one is cooler, but many times I saw people using the second option. Is there any reason to generate long serialVersionUID ?
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Why doesn't await on Task.WhenAll throw an AggregateException?
...n.
So, in catch block, you get the actual exception and not the aggregated one. This helps us write more natural and intuitive code.
This was also needed for easier conversion of existing code into using async/await where the a lot of code expects specific exceptions and not aggregated exceptions.
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JPA: How to have one-to-many relation of the same Entity type
... is possible. This is a special case of the standard bidirectional @ManyToOne/@OneToMany relationship. It is special because the entity on each end of the relationship is the same. The general case is detailed in Section 2.10.2 of the JPA 2.0 spec.
Here's a worked example. First, the entity cla...
Remove items from one list in another
... might give you what you want in your context, however, "Remove items from one list in another" is certainly not equivalent to a set difference operation, and you should not misinform people by accepting this as the right answer!!!!
– user1935724
May 26 '16 at ...
A definitive guide to API-breaking changes in .NET
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In fact, it can be a source-level break too, if someone tries to create a delegate for bar.
– Pavel Minaev
Sep 24 '09 at 17:17
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