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Eclipse HotKey: how to switch between tabs?

...l confirms: oh wow, selecting "Editing Java Source" actually worked! Now, unfortunately this means that I'm SOL if I nav into a non-Java file (JSP, XML, JS, etc.). The fix for this is to "copy command" for this pair, and select all the "whens" that I want. So far it's at least working beau...
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Retrieve the commit log for a specific line in a file?

...:22:22 -0800 160) "$browser_path" $NEWTAB "$@" & And you want to know the history of what is now line 155. Then, use git log. Here, -L 155,155:git-web--browse.sh means "trace the evolution of lines 155 to 155 in the file named git-web--browse.sh". $ git log --pretty=short -u -L 155,155:gi...
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Why does one hot encoding improve machine learning performance?

... the constraint w×x + b > 0, or equivalently w×x < b. The problem now is that the weight w cannot encode a three-way choice. The three possible values of w×x are 0, w and 2×w. Either these three all lead to the same decision (they're all < b or ≥b) or "UK" and "French" lead to the sa...
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What is the difference between a URI, a URL and a URN?

...hat URN to a URL and download the book for you. Do any browsers actually know how to fetch documents by URN? Not that I know of, but modern web browser do implement the data URI scheme. Does the difference between URL and URI have anything to do with whether it is relative or absolute? No. Bot...
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Non greedy (reluctant) regex matching in sed?

... Holy smokes I can't believe that worked :-) Only thing that sucks is now my script has a Perl dependency :-( On the plus side, virtually every Linux distro has Perl already so probably not an issue :-) – Freedom_Ben Sep 20 '14 at 16:15 ...
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What are the differences between type() and isinstance()?

...n versions do however offer extra goodies: isinstance (and issubclass) can now mean more than just "[an instance of] a derived class" (in particular, any class can be "registered" with an ABC so that it will show as a subclass, and its instances as instances of the ABC); and ABCs can also offer extr...
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Unable to resolve “unable to get local issuer certificate” using git on Windows with self-signed cer

... the "Linux" crypto backend. Beginning with Git for Windows 2.14, you can now configure Git to use SChannel, the built-in Windows networking layer as the crypto backend. This means that you it will use the Windows certificate storage mechanism and you do not need to explicitly configure the curl CA...
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NPM global install “cannot find module”

...hy this has made them incapable of finding installed modules. The fix for now is to point NODE_PATH at the right directory: export NODE_PATH=/opt/lib/node_modules My require('promised-io/promise') now succeeds. share ...
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What Automatic Resource Management alternatives exist for Scala?

... For now Scala 2.13 has finally supported: try with resources by using Using :), Example: val lines: Try[Seq[String]] = Using(new BufferedReader(new FileReader("file.txt"))) { reader => Iterator.unfold(())(_ => Option...
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?

...think of is nested if's: if (cond1) if (cond2) doSomething(); Now, assume you now want to doSomethingElse() when cond1 is not met (new feature). So: if (cond1) if (cond2) doSomething(); else doSomethingElse(); which is obviously wrong, since the else associates with the ...