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std::unique_lock or std::lock_guard?
...s other features that allow it to e.g.: be constructed without locking the mutex immediately but to build the RAII wrapper (see here).
std::lock_guard also provides a convenient RAII wrapper, but cannot lock multiple mutexes safely. It can be used when you need a wrapper for a limited scope, e.g.:...
Iterate over model instance field names and values in template
I'm trying to create a basic template to display the selected instance's field values, along with their names. Think of it as just a standard output of the values of that instance in table format, with the field name (verbose_name specifically if specified on the field) in the first column and the ...
Round to at most 2 decimal places (only if necessary)
I'd like to round at most 2 decimal places, but only if necessary .
79 Answers
79
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Swift: #warning equivalent
Does Swift have a #warning equivalent?
It's simply used to show a warning in Xcode's own GUI
14 Answers
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Inline functions in C#?
...nctions" in C#? I don't think I understand the concept. Are they like anonymous methods? Like lambda functions?
14 Answers
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Circular (or cyclic) imports in Python
What will happen if two modules import each other?
11 Answers
11
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What does 'var that = this;' mean in JavaScript?
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I'm going to begin this answer with an illustration:
var colours = ['red', 'green', 'blue'];
document.getElementById('element').addEventListener('click', function() {
// this is a reference to the element clicked on
v...
How to set caret(cursor) position in contenteditable element (div)?
I have this simple HTML as an example:
10 Answers
10
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How do I list all cron jobs for all users?
Is there a command or an existing script that will let me view all of a *NIX system's scheduled cron jobs at once? I'd like it to include all of the user crontabs, as well as /etc/crontab , and whatever's in /etc/cron.d . It would also be nice to see the specific commands run by run-parts in /e...
How can I time a code segment for testing performance with Pythons timeit?
... script which works just as it should, but I need to write the execution time. I've googled that I should use timeit but I can't seem to get it to work.
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