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Where can I learn how to write C code to speed up slow R functions? [closed]
...unfortunately, I don't have specific resources in mind to help you getting started on C++. I picked it up from Scott Meyers's books (Effective C++, More effective C++, etc ...) but these are not really what one could call introductory.
We almost exclusively use the .Call interface to call C++ code...
npm install vs. update - what's the difference?
...s module and its dependencies.
npm update express updates express module (starting with npm@2.x, it doesn't update its dependencies).
So updates are for when you already have the module and wish to get the new version.
sha...
How to apply a CSS filter to a background image
...019.
Update (01/06/2019): The Mozzilla Firefox team has announced it will start working on implementing this soon.
Update (21/05/2019): Chromium just announced backdrop-filter is available in chrome canary without enabling "Enable Experimental Web Platform Features" flag. This means backdrop-filte...
How do I get currency exchange rates via an API such as Google Finance? [closed]
Now, I did find the Google Finance API and started looking through that but I found a lot of info about portfolios, transactions, positions & other stuff I know nothing about.
...
What is the difference between ? and Object in Java generics?
... don't use a wildcard
when you both get and put.
and the wild card may start making more sense, hopefully.
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Python: split a list based on a condition?
...functional programming (Haskell), or functional style (LINQ) is raised, we start to smell Python for its age - [x for x in blah if ...] - verbose, lambda is clumsy and limited... It feels like driving the coolest car from 1995 today. Not the same as back then.
– Tomasz Gandor
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Can I use my existing git repo with openshift?
...nt
remote: Deployment id is 9037d37a
remote: Activating deployment
remote: Starting PHP 5.4 cartridge (Apache+mod_php)
remote: Application directory "/" selected as DocumentRoot
remote: -------------------------
remote: Git Post-Receive Result: success
remote: Activation status: success
remote: Depl...
What is the most pythonic way to check if an object is a number?
... the collections module for various forms of collections/containers, again starting with 2.6; and, also only in those releases, you can easily add your own abstract base classes if you need to).
Bach to 2.5 and earlier,
"can be added to 0 and is not iterable" could be a good definition in some case...
How to prevent buttons from submitting forms
...ust be done and form sent only if pass the validation.
Normally all would start from something near this (I removed all extra stuff not important):
<form method="post" id="theFormID" name="theFormID" action="">
<input type="text" id="Field1" name="Field1" />
<input type="text"...
How does Facebook disable the browser's integrated Developer Tools?
...be wrapped in a setter for _commandLineAPI, to redefine only when the user started typing.
if (arguments.length > 0 && this.name === "evaluate" && arguments [0].constructor.name === "InjectedScriptHost") { //If thisArg is the evaluate function and the arg0 is the ISH
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