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Restore the state of std::cout after manipulating it
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you need to #include <iostream> or #include <ios> then when required:
std::ios_base::fmtflags f( cout.flags() );
//Your code here...
cout.flags( f );
You can put these at the beginning and end of your function, or check out this answer on how to use this with RAII.
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Docker can't connect to docker daemon
...: docker-machine ls):
docker-machine create --driver virtualbox default
Then set-up the environment for the Docker client:
eval "$(docker-machine env default)"
Then double-check by listing containers:
docker ps
See: Get started with Docker Machine and a local VM.
Install Docker.app on ma...
Spring Boot JPA - configuring auto reconnect
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If I am myself configuring two different datasource then how do I provide these configuration? Do I need to provide this configuration for both the datasource like spring.datasource.mydatasource1.tomcat.testOnBorrow=true spring.datasource.mydatasource1.tomcat.validationQuer...
How to Compare Flags in C#?
... == 001, that returns false always. Now if you do a bitwise AND with Flag1 then it translates to 011 AND 001 which returns 001 now doing the equality returns true, because 001 == 001
– pqsk
Mar 6 '15 at 22:34
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Understanding Spring @Autowired usage
...ted. This happens exactly when @Autowired fields are injected. Spring will then see that parameters are needed and it will use the same rules used for field injection to find the parameters.
– Aaron Digulla
Sep 4 '17 at 11:53
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Add a new item to a dictionary in Python [duplicate]
... the dict in place, whereas the second one has to create a temporary dict, then mutate, then garbage collect the temporary dict. I'd need to benchmark it to say definitively.
– Chris Eberle
Sep 6 '17 at 23:35
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Emulator error: This AVD's configuration is missing a kernel file
...or:
Note : As per you786 comment if you have previously created emulator then you need to recreate it, otherwise this will not work.
Alternative 1
Intel provides the "Intel hardware accelerated execution manager", which is a VM based emulator for executing X86 images and which is also served by ...
Should I commit or rollback a read transaction?
... ids, join it with a data table to select the data that goes with the ids, then delete the temp table. I'm really just reading data, and I don't care what happens to the temp table, since it's temporary... but from a performance perspective, would it be more expensive to rollback the transaction or...
How to include route handlers in multiple files in Express?
...NodeJS express application I have app.js that has a few common routes. Then in a wf.js file I would like to define a few more routes.
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C# using streams
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BinaryWriter
BinaryReader
To use these, first you acquire your stream, then you create one of the above classes and associate it with the stream. E.g.
MemoryStream memoryStream = new MemoryStream();
StreamWriter myStreamWriter = new StreamWriter(memoryStream);
StreamReader and StreamWriter co...