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Separate Back Stack for each tab in Android using Fragments
...your own back stacks for each tab.
To be honest, this seems like a really questionable thing to do. I can't imagine it resulting in a decent UI -- if the back key is going to do different things depending on the tab I am, especially if the back key also has its normal behavior of closing the entir...
initializer_list and move semantics
...vec& operator=(const uptr_vec&) = delete;
int operator[] (size_t index) const { return *data[index]; }
};
int main()
{
std::unique_ptr<int> a(new int(3)), b(new int(1)),c(new int(4));
uptr_vec v { std::move(a), std::move(b), std::move(c) };
std::cout << v[0] << ","...
Why would you use an ivar?
I usually see this question asked the other way, such as Must every ivar be a property? (and I like bbum's answer to this Q).
...
How to profile a bash shell script slow startup?
...is an important step, I've done some test and research about this whole SO question and already posted answers.
There is 4+ answer:
The first is based on @DennisWilliamson's idea but with a lot less of resource consumption
The second was my own (before this;)
The third is based on @fgm answer, bu...
What are the applications of binary trees?
...= = = =
This is typically used in maintaining keys for an index of items. I've written database software optimised for the hardware where a node is exactly the size of a disk block (say, 512 bytes) and you put as many keys as you can into a single node. The pointers in this case wer...
Best practice for Django project working directory structure
...
includes/
footer.html
header.html
index.html
myapp/ # Application
core/
migrations/
__init__.py
templates/ # Application templates
myapp/
index.html
static/
...
Why are mutable structs “evil”?
...f a struct array. The best one could do, if one wanted a collection to be indexed with e.g. a string, would probably be to offer a generic "ActOnItem" method which would accept a string for the index, a generic parameter, and a delegate which would be passed by reference both the generic parameter ...
When to use next() and return next() in Node.js
...ncrete implementation that makes us avoid the use of next ()!
In the file index.js
//index.js the entry point to the application also caller app.js
const express = require('express');
const app = express();
const usersRoute = require('./src/route/usersRoute.js');
app.use('/users', usersRoute );
...
MongoDB: Combine data from multiple collections into one..how?
...h updates the merged data periodically. You'll probably want to run ensureIndex on the new collection to make sure queries you perform against it run quickly (keep in mind that your data is still inside a value key, so if you were to index comments_with_demographics on the comment created time, it ...
mongodb group values by multiple fields
...and actually would be better if the $match were allowed and able to use an index in the "sub-pipeline" processing. So which is does not use the "limit to $push" as the referenced issue asks, it actually delivers something that should work better.
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