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What is the “assert” function?
...been studying OpenCV tutorials and came across the assert function; what does it do?
9 Answers
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Warn user before leaving web page with unsaved changes
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Short, wrong answer:
You can do this by handling the beforeunload event and returning a non-null string:
window.addEventListener("beforeunload", function (e) {
var confirmationMessage = 'It looks like you have been editing something. '
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Remove duplicate dict in list in Python
... want to preserve ordering, the one-liner above won't work since set won't do that. However, with a few lines of code, you can also do that:
l = [{'a': 123, 'b': 1234},
{'a': 3222, 'b': 1234},
{'a': 123, 'b': 1234}]
seen = set()
new_l = []
for d in l:
t = tuple(d.items())
i...
Why would one use nested classes in C++?
...;
private:
Node* head;
Node* tail;
};
Here I don't want to expose Node as other people may decide to use the class and that would hinder me from updating my class as anything exposed is part of the public API and must be maintained forever. By making the class private, ...
Can you overload controller methods in ASP.NET MVC?
... two methods accept different arguments. Is this something that cannot be done?
17 Answers
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How to debug Spring Boot application with Eclipse?
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Why don't you just right click on the main() method and choose "Debug As... Java Application"?
share
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improve this answer
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Advantages and disadvantages of GUID / UUID database keys
...all the database keys had been GUID / UUID values. I've considered going down this path a few times, but there's always a bit of uncertainty, especially around performance and un-read-out-over-the-phone-able URLs.
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How do I get SUM function in MySQL to return '0' if no values are found?
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Thanks Brad. That does the job nicely.
– Nick
Sep 29 '11 at 23:54
1
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Class with single method — best approach?
... be filled in as well... Had we created a class with the single purpose of doing what this static method did, we could solve this by taking in the required parameters in the constructor, and allowing the user to set optional values through properties, or methods to set multiple interdependent values...
Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...e able to help you more if you told as what exactly it is that you want to do.
EDIT:
Systrace would work for your case, but I think that something based on the Linux Security Model like AppArmor or SELinux is a more standard, and thus preferred, alternative, depending on your distribution.
EDIT 2...