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Why do we use arrays instead of other data structures?

...gured the added "features" in programming languages had improved upon this and by that replaced them. I see now that they aren't replaced but rather given new life, so to speak. ...
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What exactly is Python multiprocessing Module's .join() Method Doing?

Learning about Python Multiprocessing (from a PMOTW article ) and would love some clarification on what exactly the join() method is doing. ...
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Swift: Testing optionals for nil

... For those who are new to swift as I am and are wondering: You still have to unwrap xyz inside the if block. It's safe though, even if you force unwrap – Omar Jun 10 '19 at 1:05 ...
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How to delete a workspace in Perforce (using p4v)?

I'm new to Perforce and have created a few workspaces as exercises for getting familiar with it. Now I would like to delete some of the workspaces. I just want to get rid of the workspaces so that they do not appear on the drop-down in the workspaces view ( do not want to do anything with actual de...
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Java RegEx meta character (.) and ordinary dot?

... RegEx, how to find out the difference between . (dot) the meta character and the normal dot as we using in any sentence. How to handle this kind of situation for other meta characters too like ( * , + , \d ,...) ...
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Android: Background Image Size (in Pixel) which Support All Devices

I am creating an Application which will run on all Android Devices. I want to create xhdpi Graphics for My App. My App is full screen. I am confused in Creating graphics. can any one tell me the best sizes of my background image in pixels. ...
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Send email using the GMail SMTP server from a PHP page

...lease give me a link where I can get the Mail.php file. Because I tried it and it would not work Thanks – Yoosuf Apr 17 '11 at 6:52 11 ...
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What are the differences between -std=c++11 and -std=gnu++11?

What are the differences between -std=c++11 and -std=gnu++11 as compilation parameter for gcc and clang? Same question with c99 and gnu99 ? I know about C++ and C standards, it's the differences in the parameters that interest me. ...
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How do I clone a subdirectory only of a Git repository?

...it. Implementing something like this in Git would be a substantial effort and it would mean that the integrity of the clientside repository could no longer be guaranteed. If you are interested, search for discussions on "sparse clone" and "sparse fetch" on the git mailinglist. In general, the cons...
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Is there a “goto” statement in bash?

... No, there is not; see §3.2.4 "Compound Commands" in the Bash Reference Manual for information about the control structures that do exist. In particular, note the mention of break and continue, which aren't as flexible as goto, but are more flexible in Bash than in som...