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What does a space mean in a CSS selector? i.e. What is the difference between .classA.classB and .cl

What is the difference between these two selectors? 3 Answers 3 ...
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Worth switching to zsh for casual use? [closed]

...s not clear that zmv is just renaming files; I thought you might have been converting the format. I don't know what "hashes" support even means. This post seems like it's only "useful" to people that already know zsh. – mpen Mar 26 '14 at 17:52 ...
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How do I get the parent directory in Python?

...directory so you can put it in a JSON string. It would be kind of silly to convert to a Pathlib object and back again for that. If none of the above apply, use Pathlib. What is Pathlib? If you don't know what Pathlib is, the Pathlib module is a terrific module that makes working with files e...
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Define all functions in one .R file, call them from another .R file. How, if possible?

... have to re-source it. If your functions are changing a lot since you are converting the code, put them all in one file and just source the whole thing every time. You could also have a separate smaller file that 1. sources the larger collection of functions and 2. Runs your test cases. In R ther...
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AngularJS - wait for multiple resource queries to complete

... Your answer is very helpful and I believe it is the most sensible way to convert resources to promises in the current angular. It might be helpful to add that in the documentation of $q, which you linked to, it guarantees that the result array is in the same order as the promise array. ...
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Get epoch for a specific date using Javascript

How do I convert 07/26/2010 to a UNIX timestamp using Javascript? 7 Answers 7 ...
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List all commits (across all branches) for a given file

... a file and show its branch graph in SourceTree? Right click on a file and select "Log Selected..." doesn't show history on all branches. – aleung Mar 13 '17 at 8:45 add a com...
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Finding child element of parent pure javascript

... parent 2. get the parent nodename by using parent.nodeName.toLowerCase() convert the nodename to lower case e.g DIV will be div 3. for further specific purpose, get an attribute of the parent e.g parent.getAttribute("id"). this will give you id of the parent 4. Then use document.QuerySelectorAll...
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Why do people hate SQL cursors so much? [closed]

...arts of the RDBMS work under the hood. Often CREATE TABLE and INSERT have SELECT statements, and the implementation is the obvious internal cursor implementation. Using higher-level "set-based operators" bundles the cursor results into a single result set, meaning less API back-and-forth. Cursor...
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How to negate a method reference predicate

...ows how by explicitly casting the method reference to a Predicate and then converting it using the negate function. That is one way among a few other not too troublesome ways to do it. The opposite of this: Stream<String> s = ...; int emptyStrings = s.filter(String::isEmpty).count(); is th...