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When is std::weak_ptr useful?
I started studying smart pointers of C++11 and I don't see any useful use of std::weak_ptr . Can someone tell me when std::weak_ptr is useful/necessary?
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How do I allow HTTPS for Apache on localhost?
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I've just attempted this - I needed to test some development code on my localhost Apache on Windows. This was WAAAY more difficult than it should be. But here are the steps that managed to work after much hairpulling...
I found that my ...
Java ArrayList - how can I tell if two lists are equal, order not mattering?
I have two ArrayList s of type Answer (self-made class).
18 Answers
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“static const” vs “#define” vs “enum”
Which one is better to use among the below statements in C?
17 Answers
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How can you dynamically create variables via a while loop? [duplicate]
I want to create variables dynamically via a while loop in Python. Does anyone have any creative means of doing this?
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How to write a Unit Test?
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Define the expected and desired output for a normal case, with correct input.
Now, implement the test by declaring a class, name it anything (Usually something like TestAddingModule), and add the testAdd method to it (i.e. like the one below) :
Write a method, and abov...
HTML minification? [closed]
Is there a online tool that we can input the HTML source of a page into and will minify the code?
8 Answers
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How to speed up insertion performance in PostgreSQL
I am testing Postgres insertion performance. I have a table with one column with number as its data type. There is an index on it as well. I filled the database up using this query:
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How to check for valid email address? [duplicate]
Is there a good way to check a form input using regex to make sure it is a proper style email address? Been searching since last night and everybody that has answered peoples questions regarding this topic also seems to have problems with it if it is a subdomained email address.
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How To Set Up GUI On Amazon EC2 Ubuntu server
I'm using an amazon Ubuntu EC2 instance which is only has a command line interface. I want to setup UI for that server to access using remote desktop tools. Is there any way to apply GUI to the EC2 instance?
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