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Java NIO FileChannel versus FileOutputstream performance / usefulness

I am trying to figure out if there is any difference in performance (or advantages) when we use nio FileChannel versus normal FileInputStream/FileOuputStream to read and write files to filesystem. I observed that on my machine both perform at the same level, also many times the FileChannel way...
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MVC (Laravel) where to add logic

Let's say whenever I do a CRUD operation or modify a relationship in a specific way I also want to do something else. E.g., whenever someone publishes a post I also want to save something to a table for analytics. Maybe not the best example but in general there's a lot of this "grouped" functionalit...
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Foreign Key naming scheme

I'm just getting started working with foreign keys for the first time and I'm wondering if there's a standard naming scheme to use for them? ...
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How to amend older Git commit? [duplicate]

... git rebase -i HEAD^^^ Now mark the ones you want to amend with edit or e (replace pick). Now save and exit. Now make your changes, then git add . git rebase --continue If you want to add an extra delete remove the options from the commit command. If you want to adjust the message, omit ju...
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How to use executables from a package installed locally in node_modules?

How do I use a local version of a module in node.js . For example, in my app, I installed coffee-script: 22 Answers ...
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open() in Python does not create a file if it doesn't exist

What is the best way to open a file as read/write if it exists, or if it does not, then create it and open it as read/write? From what I read, file = open('myfile.dat', 'rw') should do this, right? ...
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What exactly do “u” and “r” string flags do, and what are raw string literals?

... asking this question , I realized I didn't know much about raw strings. For somebody claiming to be a Django trainer, this sucks. ...
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Easiest way to flip a boolean value?

... You can flip a value like so: myVal = !myVal; so your code would shorten down to: switch(wParam) { case VK_F11: flipVal = !flipVal; break; case VK_F12: otherVal = !otherVal; break; default: break; } ...
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Microsoft CDN for jQuery or Google CDN? [closed]

Does it actually matter which CDN you use to link to your jquery file or any javascript file for that matter. Is one potentially faster than the other? What other factors could play a role in which cdn you decide to use? I know that Microsoft, Yahoo, and Google all have CDN's now. ...
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Authorize Attribute with Multiple Roles

I would like to add Authorization to a controller, for multiple Roles at once. 5 Answers ...