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How to assign a heredoc value to a variable in Bash?
...em:
$ echo "$VAR"
abc'asdf"
$(dont-execute-this)
foo"bar"''
If you want to use indentation for readability in the source code, use a dash after the less-thans. The indentation must be done using only tabs (no spaces).
$ read -r -d '' VAR <<-'EOF'
abc'asdf"
$(dont-execute-this)
...
What exactly is a reentrant function?
...rotected by the mutex
m.unlock();
}
Another function could well need to lock the same mutex:
void bar()
{
foo(nullptr);
}
At first sight, everything seems ok… But wait:
int main()
{
foo(bar);
return 0;
}
If the lock on mutex is not recursive, then here's what will happen, i...
How to use LINQ to select object with minimum or maximum property value
...have a Person object with a Nullable DateOfBirth property. Is there a way to use LINQ to query a list of Person objects for the one with the earliest/smallest DateOfBirth value.
...
Python nested functions variable scoping [duplicate]
I've read almost all the other questions about the topic, but my code still doesn't work.
10 Answers
...
Activity transition in Android
...etween two activities for Android 1.5 and later?
I would like an activity to fade in.
14 Answers
...
Turn off Visual Studio Attach security warning when debugging IIS
When using Visual Studio 2008 or 2010, every time you attach to IIS w3wp.exe you get an Attach Security Warning,
11 Answer...
Swift: Testing optionals for nil
... Xcode 6 Beta 4. I have this weird situation where I cannot figure out how to appropriately test for optionals.
14 Answers
...
Detect whether there is an Internet connection available on Android [duplicate]
I need to detect whether the Android device is connected to the Internet.
6 Answers
6
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Why does the 260 character path length limit exist in Windows?
...
Quoting this article https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file#maximum-path-length-limitation
Maximum Path Length Limitation
In the Windows API (with some exceptions discussed in the following paragraphs), the maximum length for a path is MAX_PATH, which...
Deleting elements from std::set while iterating
I need to go through a set and remove elements that meet a predefined criteria.
8 Answers
...