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PHP method chaining?

...g PHP 5 and I've heard of a new featured in the object-oriented approach, called 'method chaining'. What is it exactly? How do I implement it? ...
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Can I make fast forwarding be off by default in git?

I can't really ever think of a time when I would use git merge rather than git rebase and not want to have a commit show up. Is there any way to configure git to have fast forwarding off by default? The fact that there's an --ff option would seem to imply that there's a way, but I can't se...
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Mean per group in a data.frame [duplicate]

... the many ways to specify the variables to act on. Here, vars(-Month) says all variables except Month. share | improve this answer | follow | ...
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How to increase the Java stack size?

I asked this question to get to know how to increase the runtime call stack size in the JVM. I've got an answer to this, and I've also got many useful answers and comments relevant to how Java handles the situation where a large runtime stack is needed. I've extended my question with the summary of ...
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Are NSLayoutConstraints animatable? [duplicate]

...g now (I was using this pattern before but still with no success)...I was calling setNeedsLayout instead of layoutIfNeeded Surely a DOH moment! Actually just changing a constraint automatically calls setNeedsLayout so I guess layoutIfNeeded overrides it somehow. – borrrden ...
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What is the “FS”/“GS” register intended for?

...dows and Linux. The original intention behind the segment registers was to allow a program to access many different (large) segments of memory that were intended to be independent and part of a persistent virtual store. The idea was taken from the 1966 Multics operating system, that treated files a...
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Using .gitignore to ignore everything but specific directories

... Here's how I did it - you essentially have to walk up the paths, you can't wildcard more than one level in any direction: # Ignore everything: * # Except for the themes directories: !wordpress/ !wordpress/*/ !wordpress/*/wp-content/ !wordpress/*/wp-conten...
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How unique is UUID?

...om numbers. However, it seems to me that given enough time, it would eventually repeat it self, just by pure chance. Is there a better system or a pattern of some type to alleviate this issue? ...
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Received fatal alert: handshake_failure through SSLHandshakeException

... server's certificate is probably not trusted by the client. This would usually result in a more verbose error, but it is quite possible. Usually the fix is to import the server's CA certificate into the client's trust store. The cerificate is issued for a different domain. Again, this would have re...
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How do I get the width and height of a HTML5 canvas?

...n the canvas element, the default 300x150 size will be returned. To dynamically get the correct width and height use the following code: const canvasW = canvas.getBoundingClientRect().width; const canvasH = canvas.getBoundingClientRect().height; Or using the shorter object destructuring syntax: ...