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How to return a string value from a Bash function
I'd like to return a string from a Bash function.
18 Answers
18
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Copying files using rsync from remote server to local machine
...e ssh'd into my remote server, what would the command be to copy all files from a directory to a local directory on my machine?
...
How does the Amazon Recommendation feature work?
...ata sources they have to mine...
Purchased shopping carts = real money from real people spent on real items = powerful data and a lot of it.
Items added to carts but abandoned.
Pricing experiments online (A/B testing, etc.) where they offer the same products at different prices and see the r...
How can I solve a connection pool problem between ASP.NET and SQL Server?
...n();
someCall(connection);
}
When your function returns a connection from a class method make sure you cache it locally and call its Close method. You'll leak a connection using this code for example:
var command = new OleDbCommand(someUpdateQuery, getConnection());
result = command.ExecuteNo...
Virtual functions and performance - C++
...loop, so the additional overhead per call was 7 nanoseconds per function.
From this I conclude: yes, virtual functions are much slower than direct functions, and no, unless you're planning on calling them ten million times per second, it doesn't matter.
See also: comparison of the generated assemb...
How to implement __iter__(self) for a container object (Python)
...and then every item in some_list.
def __iter__(self):
yield 5
yield from some_list
Pre-3.3, yield from didn't exist, so you would have to do:
def __iter__(self):
yield 5
for x in some_list:
yield x
sha...
I want to get Year, Month, Day, etc from Java Date to compare with Gregorian Calendar date in Java.
...ocalDate.getDayOfMonth();
Note that getMonthValue() returns an int value from 1 to 12.
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How do you write tests for the argparse portion of a python module? [closed]
...ock what parse_args returns so that it doesn't need to actually get values from the command line. The mock package can be installed via pip for python versions 2.6-3.2. It's part of the standard library as unittest.mock from version 3.3 onwards.
import argparse
try:
from unittest import mock #...
Spring AOP vs AspectJ
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@Configurable requires the use of AspecJ via Spring. From the docs: If you need to advise objects not managed by the Spring container (such as domain objects typically), then you will need to use AspectJ.
– HDave
Aug 13 '13 at 3:46
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Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?
...ust stylistic points, they're entirely necessary if your API is to be safe from deadlocks or other edge-case behavior that WILL otherwise hang you from the nearest tree someday. :-)
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