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Does Python have “private” variables in classes?

...ough, just like you can get around Java's protections if you work at it). By the same convention, the _ prefix means stay away even if you're not technically prevented from doing so. You don't play around with another class's variables that look like __foo or _bar. ...
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throwing exceptions out of a destructor

...the code keeps its original meaning. // Post C++11 destructors are by default `noexcept(true)` and // this will (by default) call terminate if an exception is // escapes the destructor. // // But this example is designed to show that terminate is called ...
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Why are dashes preferred for CSS selectors / HTML attributes?

...lector, which selects any element containing the text, optionally followed by a dash: span[class|="em"] { font-style: italic; } This would make the following HTML elements have italic font-style: <span class="em">I'm italic</span> <span class="em-strong">I'm italic too</span...
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Differences between lodash and underscore [closed]

...n addition there are at least 3 Backbone boilerplates that include Lo-Dash by default and Lo-Dash is now mentioned in Backbone’s official documentation. Check out Kit Cambridge's post, Say "Hello" to Lo-Dash, for a deeper breakdown on the differences between Lo-Dash and Underscore. Footnotes: ...
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Getting MAC Address

...2X" % mac)[i:i+2] for i in range(0, 12, 2)) for an uppercase MAC with each byte separated by a colon. – tomlogic Nov 10 '14 at 17:21 5 ...
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How do I convert an existing callback API to promises?

...ode style callbacks: There is no golden rule here, you promisify them one by one. However, some promise implementations allow you to do this in bulk, for example in Bluebird, converting a nodeback API to a promise API is as simple as: Promise.promisifyAll(API); Or with native promises in Node: ...
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What does “not run” mean in R help pages?

...show' encloses code that is invisible on help pages, but will be run both by the package checking tools, and the 'example()' function. This was previously 'testonly', and that form is still accepted. share | ...
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top -c command in linux to filter processes listed based on processname

...op lists all the processes, there are good options to filter the processes by username by using the option -u but I am wondering if there is any easy way to filter the processes based on processname listed under COMMAND column of the top output. ...
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Most simple but complete CMake example

Somehow I am totally confused by how CMake works. Every time I think that I am getting closer to understand how CMake is meant to be written, it vanishes in the next example I read. All I want to know is, how should I structure my project, so that my CMake requires the least amount of maintainance i...
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Difference between Java Enumeration and Iterator

...ator will give successive elements, but Iterator improved the method names by shortening away the verbiage, and it has an additional remove method. Here is a side-by-side comparison: Enumeration Iterator ---------------- ---------------- hasMoreElements() ...