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What's the difference between event.stopPropagation and event.preventDefault?

...: <div id="a"> <a id="b" href="http://www.google.com/" target="_blank">Google</a> </div> <p id="c"></p> JavaScript: var el = document.getElementById("c"); function capturingOnClick1(ev) { el.innerHTML += "DIV event capture<br>"; } function captur...
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What is “entropy and information gain”?

.... P(m)=9/14 and P(f)=5/14. According to the definition of entropy: Entropy_before = - (5/14)*log2(5/14) - (9/14)*log2(9/14) = 0.9403 Next we compare it with the entropy computed after considering the split by looking at two child branches. In the left branch of ends-vowel=1, we have: Entropy_lef...
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What is Common Gateway Interface (CGI)?

...as you well mention in your question, is an embedded interpreter called mod_php. So, answering your questions: What exactly is CGI? See above. Whats the big deal with /cgi-bin/*.cgi? Whats up with this? I don't know what is this cgi-bin directory on the server for. I don't know why they h...
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How should you build your database from source control?

... Store ALTER scripts: 1 BIG script (or directory of scripts named liked 001_AlterXXX.sql, so that running them in natural sort order will upgrade from version A to B) Which types of objects shouldn't be version controlled? Sequences? Grants? User Accounts? see 2. If your users/roles (or technica...
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What is the difference between a port and a socket?

...te HTTP server) TCP 192.168.1.3:63240 54.252.94.236:80 SYN_SENT TCP 192.168.1.3:63241 54.252.94.236:80 SYN_SENT TCP 192.168.1.3:63242 207.38.110.62:80 SYN_SENT TCP 192.168.1.3:63243 207.38.110.62:80 SYN_SENT TCP 192.168.1.3:64161 ...
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What are free monads?

... foldFree :: Functor f => (f r -> r) -> Free f r -> r foldFree _ (Pure a) = a foldFree f (Roll x) = f (fmap (foldFree f) x) share | improve this answer | follow ...
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What is the “FS”/“GS” register intended for?

...l post. Other than that, it's a good response. – code_dredd Dec 6 '15 at 8:16 5 ...
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What does the git index contain EXACTLY?

... As a result (of using IEOT), commit 7bd9631 clean-up the read-cache.c load_cache_entries_threaded() function for Git 2.23 (Q3 2019). See commit 8373037, commit d713e88, commit d92349d, commit 113c29a, commit c95fc72, commit 7a2a721, commit c016579, commit be27fb7, commit 13a1781, commit 7bd9631, co...
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Big-O for Eight Year Olds? [duplicate]

...ion is sub-n^3 (the regular way is n^3), see the Strassen algorithm (n^(log_2(7))) – Jason S Jan 27 '09 at 0:00 1 ...
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Error-Handling in Swift-Language

...ogramming easier, e.g. 'Swift Way: struct FailableInitializer { init?(_ id: Int, error: NSErrorPointer) { // Always fails in example if error != nil { error.memory = NSError(domain: "", code: id, userInfo: [:]) } return nil } private init() { ...