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Dependent DLL is not getting copied to the build output folder in Visual Studio
... as in upgrade or remove). With this hack, at least you get a nice compile time error reminding you to remove this hack when you remove the dependency, and you still only need to update it in one place.
– jpmc26
Sep 21 '16 at 19:35
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How do I generate random numbers in Dart?
...00));
}
}
This code was tested with the Dart VM and dart2js, as of the time of this writing.
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When should the volatile keyword be used in C#?
...cks guarantee
that only one thread accesses a given chunk of memory at a time, and so
on. The number of situations in which a lock is too slow is very
small, and the probability that you are going to get the code wrong
because you don't understand the exact memory model is very large. I
do...
How to format strings in Java
Primitive question, but how do I format strings like this:
8 Answers
8
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How to join (merge) data frames (inner, outer, left, right)
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There is the data.table approach for an inner join, which is very time and memory efficient (and necessary for some larger data.frames):
library(data.table)
dt1 <- data.table(df1, key = "CustomerId")
dt2 <- data.table(df2, key = "CustomerId")
joined.dt1.dt.2 <- dt1[dt2]
merge...
How to return smart pointers (shared_ptr), by reference or by value?
...rence count, which opens up the risk of deleting something at the improper time. That alone should be enough reason to not return by reference. Interfaces should be robust.
The cost concern is nowadays moot thanks to return value optimization (RVO), so you won't incur a increment-increment-decremen...
UITableView Cell selected Color?
...e in the grouped table view? What if the cell is in the middle? Don't have time to test this.
– Maciej Swic
Jul 22 '13 at 8:15
2
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How to access class constants in Twig?
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Just to save your time. If you need to access class constants under namespace, use
{{ constant('Acme\\DemoBundle\\Entity\\Demo::MY_CONSTANT') }}
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When do Java generics require
...rce a downcast and to have the compiler guarantee that this is safe (no runtime exceptions).
Consider the case of List. The essence of my question is why a method that takes a type T and a List won't accept a List of something further down the chain of inheritance than T. Consider this contrived ex...
Send message to specific client with socket.io and node.js
...000);
const
sequenceNumberByClient = new Map();
// event fired every time a new client connects:
server.on("connection", (socket) => {
console.info(`Client connected [id=${socket.id}]`);
// initialize this client's sequence number
sequenceNumberByClient.set(socket, 1);
// w...