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Difference between sh and bash
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Some Bash keywords like local, source, function, shopt, let, declare, and select are not portable to sh. (Some sh implementations support e.g. local.)
Bash has many C-style syntax extensions like the three-argument for((i=0;i<=3;i++)) loop, += increment assignment, etc. The $'string\nwith\tC\aes...
boost::flat_map and its performance compared to map and unordered_map
...tion for these cases, using partial template specializations, or SFINAE to select algorithms according to traits of T.
About the flat map
Apparently the flat map is a sorted vector wrapper, like Loki AssocVector, but with some supplementary modernizations coming with C++11, exploiting move semanti...
Pros and Cons of SQLite and Shared Preferences [closed]
...s. Imagine retrieving a specific entry which could be handled by a simple "SELECT ... WHERE id = 1". In Preferences path, this will be a long process from deserializing to iterating the results.
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WebRTC - scalable live stream broadcasting / multicasting
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You're actually explaining how an SFU (Selective Forwarding Unit) works. You can do the same with mediasoup
– Dirk V
Jun 17 at 13:16
add a ...
Break a previous commit into multiple commits
...g git reset HEAD~, go through the patches individually using git add -p to select the ones you want in each commit
Edit the working copy to remove the changes you do not want; commit that interim state; and then pull back the full commit for the next round.
Option 2 is useful if you're splitting a...
How to 'git pull' into a branch that is not the current one?
...origin/master into master but I cannot run git checkout to change the selected branch until after the pull is complete. Is there a way to do this?
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Why shouldn't all functions be async by default?
...eason to make all methods async if they are not needed to - extensibility. Selective making methods async only works if your code never evolves and you know that method A() is always CPU-bound (you keep it sync) and method B() is always I/O bound (you mark it async).
But what if things change? Yes,...
What is lazy loading in Hibernate?
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Bydefault lazy loading is true.Lazy loading means when the select query is executed it will not hit the database. It will wait for getter function i.e when we required then ,it will fetch from the datbase.
for example:
You are a parent who has a kid with a lot of toys. But the curren...
Learning Python from Ruby; Differences and Similarities
...lues greater than 15. In Ruby, you'd have to write the following:
values.select {|v| v > 15}.map {|v| v * v}
The Ruby code doesn't feel as compact. It's also not as efficient since it first converts the values array into a shorter intermediate array containing the values greater than 15. Th...
Applications are expected to have a root view controller at the end of application launch
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You can also set this in the project properties. Select project, your target, you can edit this in Summary -> iPhone / iPad Deployment info.
– doekman
Jun 9 '13 at 9:41
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