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Chmod 777 to a folder and all contents [duplicate]

I have a web directory /www and a folder in that directory called store . 7 Answers ...
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Are Databases and Functional Programming at odds?

I've been a web developer for some time now, and have recently started learning some functional programming. Like others, I've had some significant trouble apply many of these concepts to my professional work. For me, the primary reason for this is I see a conflict between between FP's goal of rem...
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Checkout another branch when there are uncommitted changes on the current branch

... Git version 2.13, to fix up some problems with the arguments to git stash and allow for new options. Both do the same thing, when used in the basic ways. You can stop reading here, if you like! If Git won't let you switch, you already have a remedy: use git stash or git commit; or, if your chan...
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Return type of '?:' (ternary conditional operator)

... Expressions don't have return types, they have a type and - as it's known in the latest C++ standard - a value category. A conditional expression can be an lvalue or an rvalue. This is its value category. (This is somewhat of a simplification, in C++11 we have lvalues, xvalues a...
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Message Queue vs. Web Services? [closed]

... When you use a web service you have a client and a server: If the server fails the client must take responsibility to handle the error. When the server is working again the client is responsible of resending it. If the server gives a response to the call and the clien...
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What are enums and why are they useful?

Today I was browsing through some questions on this site and I found a mention of an enum being used in singleton pattern about purported thread safety benefits to such solution. ...
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Always pass weak reference of self into block in ARC?

...am a little confused about block usage in Objective-C. I currently use ARC and I have quite a lot of blocks in my app, currently always referring to self instead of its weak reference. May that be the cause of these blocks retaining self and keeping it from being dealloced ? The question is, sho...
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What's the difference between a proc and a lambda in Ruby?

And when would you use one rather than the other? 8 Answers 8 ...
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What's the difference between detaching a Fragment and removing it?

In the Android docs for a FragmentTransaction I noticed two very similar methods: detach and remove . The descriptions over there don't seem to provide much insight about when to use each, and from what I can tell they appear to be the same. ...
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When to use single quotes, double quotes, and backticks in MySQL

I am trying to learn the best way to write queries. I also understand the importance of being consistent. Until now, I have randomly used single quotes, double quotes, and backticks without any real thought. ...