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Should I avoid 'async void' event handlers?
I know it is considered generally a bad idea to use fire-and-forget async void methods to start tasks, because there is no track of the pending task and it is tricky to handle exceptions which might be thrown inside such a method.
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How can I expose more than 1 port with Docker?
So I have 3 ports that should be exposed to the machine's interface. Is it possible to do this with a Docker container?
4 A...
While loop to test if a file exists in bash
I'm working on a shell script that does certain changes on a txt file only if it does exist, however this test loop doesn't work, I wonder why?
Thank you!
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How do I discard unstaged changes in Git?
How do I discard changes in my working copy that are not in the index?
36 Answers
36
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How to undo the effect of “set -e” which makes bash exit immediately if any command fails?
...that you enable shell options with set - and disable them with set +. Historical raisins, donchanow.
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Showing commits made directly to a branch, ignoring merges in Git
When using git, is there a way to show commits made to a branch, while ignoring all commits that were brought in by merging?
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Why is there no std::stou?
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The most pat answer would be that the C library has no corresponding “strtou”, and the C++11 string functions are all just thinly veiled wrappers around the C library functions: The std::sto* functions mirror strto*, and the std::to_string functions use sprintf.
Edit: As Ke...
Android: how to check if a View inside of ScrollView is visible?
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This works:
Rect scrollBounds = new Rect();
scrollView.getHitRect(scrollBounds);
if (imageView.getLocalVisibleRect(scrollBounds)) {
// Any portion of the imageView, even a single pixel, is within the visible window
} else {
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The requested operation cannot be performed on a file with a user-mapped section open
...es into my bin folder, after stopping the main service, I am getting an error with one file (TexteDll). The error is:
28 An...
Why is it wrong to use std::auto_ptr with standard containers?
...t an STL element must be "copy-constructible" and "assignable." In other words, an element must be able to be assigned or copied and the two elements are logically independent. std::auto_ptr does not fulfill this requirement.
Take for example this code:
class X
{
};
std::vector<std::auto_ptr&...