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What are Maven goals and phases and what is their difference?
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Goals are executed in phases which help determine the order goals get executed in. The best understanding of this is to look at the default Maven lifecycle bindings which shows which goals get run in which phases by default. The compile phase goals will always be executed befo...
gcc warning" 'will be initialized after'
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Make sure the members appear in the initializer list in the same order as they appear in the class
Class C {
int a;
int b;
C():b(1),a(2){} //warning, should be C():a(2),b(1)
}
or you can turn -Wno-reorder
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No module named pkg_resources
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Reported the bug to CentOS.org bugs.centos.org/view.php?id=14042
– rjt
Oct 20 '17 at 19:22
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Is there some way to PUSH data from web server to browser?
...an umbrella term for different ways of opening long-lived HTTP requests in order to push data in real-time to a web browser. I'd recommend StreamHub Push Server, they have some cool demos and it's much easier to get started with than any of the other servers. Check out the Getting Started with Com...
Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?
...group of types that share a similar structure, and treating them simply as ordered set of values. In all cases, a benefit of tuples is that they avoid cluttering your namespace with data-only classes that expose properties but not methods.
Here's an example of a reasonable use for Tuple<>:
v...
Is there a way to iterate over a slice in reverse in Go?
... intended for. Don't use this since it can have nasty side effects (out of order execution). Just use the for loop in the accepted answer. Go is aiming to minimize this kind of clever (not) hacks since they tend to bite you in the ass later on.
– RickyA
Oct 24 ...
How to determine equality for two JavaScript objects?
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@scotts Other problem with converting to JSON is that the order of the properties in the string becomes significant. {x:1, y:2} !== {y:2, x:1}
– Stijn de Witt
Mar 1 '16 at 21:51
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Algorithm to return all combinations of k elements from n
...s' (1970)
The algorithm in C...
Index of Combinations in Lexicographical Order (Buckles Algorithm 515)
You can also reference a combination by its index (in lexicographical order). Realizing that the index should be some amount of change from right to left based on the index we can construct som...
What is the lifetime of a static variable in a C++ function?
...ermination. This means that the run-time must perform some book keeping in order to destruct it only if it was actually constructed.
Additionally, since the standard says that the destructors of static objects must run in the reverse order of the completion of their construction[1], and the order of...
Spring mvc @PathVariable
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suppose you want to write a url to fetch some order, you can say
www.mydomain.com/order/123
where 123 is orderId.
So now the url you will use in spring mvc controller would look like
/order/{orderId}
Now order id can be declared a path variable
@RequestMapping(va...