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How to open multiple pull requests on GitHub

...d commits in git should not be though of as just a patch, but as a patch knowing what patch was applied before this. So this is why one should create a new branch with new commits, whose diffs are maybe still the same, but whose links to the previous commits are different. – M...
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Using braces with dynamic variable names in PHP

...me in some cases. In PHP7, dynamic variables, properties, and methods will now be evaluated strictly in left-to-right order, as opposed to the mix of special cases in PHP5. The examples below show how the order of evaluation has changed. Case 1 : $$foo['bar']['baz'] PHP5 interpetation : ${$foo['bar...
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Application not picking up .css file (flask/python)

... "{{ url_for('static',filename='styles/mainpage.css') }}"> Flask will now look for the css file under static/styles/mainpage.css share | improve this answer | follow ...
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How do I do base64 encoding on iOS?

...s) of data objRawData += 3; intLength -= 3; } // now deal with the tail end of things if (intLength != 0) { *objPointer++ = _base64EncodingTable[objRawData[0] >> 2]; if (intLength > 1) { *objPointer++ = _base64EncodingTable[((objRawD...
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Are duplicate keys allowed in the definition of binary search trees?

...se problems. Imagine your tree rule is this: left < root <= right Now imagine a simple tree whose root is 5, left child is nil, and right child is 5. If you do a left rotation on the root you end up with a 5 in the left child and a 5 in the root with the right child being nil. Now somethi...
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What does = +_ mean in JavaScript

...ample: +"1" cast "1" to pure number 1. var _ = "1"; var r = +_; r is now 1, not "1". Moreover, according to the MDN page on Arithmetic Operators: The unary plus operator precedes its operand and evaluates to its operand but attempts to converts it into a number, if it isn't already. [...
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Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?

...answer to the asked question. Despite interesting information (and a must know for any C/C++ programmer), this is no forum, and doesn't belong here. – orlp Jun 30 '12 at 18:11 ...
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Apply .gitignore on an existing repository already tracking large number of files

...ndex, then just run: git add . Commit it: git commit -m ".gitignore is now working" share | improve this answer | follow | ...
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Redirect all to index.php using htaccess

...updated Feb '18 and Jan '19) It's not actually necessary (nor even common now) to set the path as a $_GET variable, many frameworks will rely on $_SERVER['REQUEST_URI'] to retrieve the same information - normally to determine which Controller to use - but the principle is exactly the same. This do...
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unit testing of private functions with mocha and node.js

... or something else that can communicate to the module "you're being tested now". The instances where I've had to do this were in a RequireJS environment, and I've used module.config for this purpose. share | ...