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How to ignore xargs commands if stdin input is empty?
... "x$linecount" = "x0" ]
then
exit 0
fi
fi
# grep returns an error code for no matching lines, so only activate error checks from here
set -e
set -o pipefail
echo $stdin | /usr/bin/xargs $@
share
|
...
Unable to Cast from Parent Class to Child Class
... Derived fail = (Derived)baseInstance; This compiles without any error in .NET 3.5. Where is the problem you are saying?
– pradeeptp
Jan 15 '10 at 5:02
8
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Scala downwards or decreasing for loop?
...the answer. I'm having trouble using this solution. Here is my stacktrace: Error:(57, 17) value class may not be a member of another class implicit class RichInt(val value: Int) extends AnyVal { ^
– robert
Dec 22 '15 at 20:40
...
Understanding the basics of Git and GitHub [closed]
...lready using a backup system why would you use Git?
If you encounter an error between commits you can use the command git diff to see the differences between the current code and the last working commit, helping you to locate your error.
You can also just go back to the last working commit.
If yo...
When is it appropriate to use C# partial classes?
... present compiler can safely remove that piece of
code and no compile time error will occur.
To verify point 4. Just create a winform project and include this line after the Form1 Constructor and try to compile the code
partial void Ontest(string s);
Here are some points to consider while imple...
How to limit the amount of concurrent async I/O operations?
...There are a lot of pitfalls and direct use of a semaphore can be tricky in error cases, so I would suggest to use AsyncEnumerator NuGet Package instead of re-inventing the wheel:
// let's say there is a list of 1000+ URLs
string[] urls = { "http://google.com", "http://yahoo.com", ... };
// now let...
Difference between webdriver.Dispose(), .Close() and .Quit()
...and files would not be cleared from memory. This may result in memory leak errors.
The above explanation should explain the difference between driver.close and driver.quit methods in WebDriver. I hope you find it useful.
The following website has some good tips on selenium testing : Link
...
float64 with pandas to_csv
...
I got an error TypeError: __init__() got an unexpected keyword argument 'float_format'
– wander95
Oct 26 '17 at 17:40
...
Differences between unique_ptr and shared_ptr [duplicate]
...urce, any attempt to make a copy of a unique_ptr will cause a compile-time error. For example, this code is illegal:
unique_ptr<T> myPtr(new T); // Okay
unique_ptr<T> myOtherPtr = myPtr; // Error: Can't copy unique_ptr
However, unique_ptr can be moved using the new move semanti...
Getting all types that implement an interface
...y in our CI-environment. GetLoadableTypes was a fix for this solution. The error wouldn't be reproducible in the local environment and it was this: System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more inform...