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Best way to get child nodes
I was wondering, JavaScript offers a variety of methods to get the first child element from any element, but which is the best? By best, I mean: most cross-browser compatible, fastest, most comprehensive and predictable when it comes to behaviour. A list of methods/properties I use as aliases:
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Regular expression that matches valid IPv6 addresses
I'm having trouble writing a regular expression that matches valid IPv6 addresses, including those in their compressed form (with :: or leading zeros omitted from each byte pair).
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What is the difference between .*? and .* regular expressions?
I'm trying to split up a string into two parts using regex. The string is formatted as follows:
3 Answers
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How many threads is too many?
I am writing a server, and I send each action of into a separate thread when the request is received. I do this because almost every request makes a database query. I am using a threadpool library to cut down on construction/destruction of threads.
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Is there any advantage of using map over unordered_map in case of trivial keys?
A recent talk about unordered_map in C++ made me realize that I should use unordered_map for most cases where I used map before, because of the efficiency of lookup ( amortized O(1) vs. O(log n) ). Most times I use a map, I use either int or std::string as the key type; hence, I've got...
How to iterate over rows in a DataFrame in Pandas
I have a DataFrame from Pandas:
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C pointers : pointing to an array of fixed size
This question goes out to the C gurus out there:
9 Answers
9
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How can I use different certificates on specific connections?
A module I'm adding to our large Java application has to converse with another company's SSL-secured website. The problem is that the site uses a self-signed certificate. I have a copy of the certificate to verify that I'm not encountering a man-in-the-middle attack, and I need to incorporate this...
What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?
What is the difference between the remap , noremap , nnoremap and vnoremap mapping commands in Vim?
3 Answers
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asynchronous vs non-blocking
What is the difference between asynchronous and non-blocking calls? Also between blocking and synchronous calls (with examples please)?
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