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Returning multiple values from a C++ function
... put the function definition of divide into a separate cpp file? I get the error error: use of ‘auto divide(int, int)’ before deduction of ‘auto’. How do I solve this?
– Adriaan
Feb 23 '18 at 20:26
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Max or Default?
...nce DefaultIfEmpty isn't implemented in LINQ to SQL, I did a search on the error it returned and found a fascinating article that deals with null sets in aggregate functions. To summarize what I found, you can get around this limitation by casting to a nullable within your select. My VB is a little ...
Why would one use REST instead of SOAP based services? [closed]
...g, "Advanced CORBA® Programming with C++". However, he has since seen the error of his client/server ways, and now swears by REST.
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Forward host port to docker container
Is it possible to have a Docker container access ports opened by the host? Concretely I have MongoDB and RabbitMQ running on the host and I'd like to run a process in a Docker container to listen to the queue and (optionally) write to the database.
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Check if a string matches a regex in Bash script
...e your answer as it lets the date function deal with the dates and not the error-prone regexs'
– Ali
Feb 1 '17 at 1:38
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Sample random rows in dataframe
...ow make it better by checking first if n<=nrow(df) and stopping with an error.
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Django connection to PostgreSQL: “Peer authentication failed”
This is the error I am receiving when I try to get to my Django admin site. I had been using MySQL database no problem. I am new to PostgreSQL, but decided to switch because the host I ultimately plan to use for this project does not have MySQL.
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Truncate Two decimal places without rounding
... of decimal places (say 25) it will cause the end result to have precision error. I fixed it by changing the factor type to decimal.
– TheKingDave
Aug 19 '13 at 14:34
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Android get free size of internal/external memory
...rmatSize(availableBlocks * blockSize);
} else {
return ERROR;
}
}
public static String getTotalExternalMemorySize() {
if (externalMemoryAvailable()) {
File path = Environment.getExternalStorageDirectory();
StatFs stat = new StatFs(...
Check if a variable is of function type
...rence (open your javascript console and reload page, there might be logged error messages). Note: Revision 3 added isFunctionD (based on only typeof == "function") - and it seems to be much faster than Underscore's "fast" version.
– Joel Purra
Feb 2 '12 at 18:3...