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Twitter API returns error 215, Bad Authentication Data

... A very concise code without any other php file include of oauth etc. Please note to obtain following keys you need to sign up with https://dev.twitter.com and create application. <?php $token = 'YOUR_TOKEN'; $token_secret = 'YOUR_TOKEN_SECRET'; $consumer_key = 'CONSUMER_KEY'; $consume...
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data.table vs dplyr: can one do something well the other can't or does poorly?

...ll become a column in result. You can use c(), as.list(), lapply(), list() etc... base functions to accomplish this, without having to learn any new functions. You will need to learn just the special variables - .N and .SD at least. The equivalent in dplyr are n() and . Joins dplyr provides s...
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jQuery .hasClass() vs .is()

... is is multi-purpose, you can for example do is('.class'), is(':checked'), etc which means is has more to do where is hasClass is limited which only checks for a class being set or not. Hence, hasClass should be faster if performance at any level is your priority. ...
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How can I get nth element from a list?

...hat the standard library contains some such partial functions (head, last, etc.). For safety, use an option type Maybe, or the Safe module. Example of a reasonably efficient, robust total (for indices ≥ 0) indexing function: data Maybe a = Nothing | Just a lookup :: Int -> [a] -> Maybe a ...
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What is the difference between “def” and “val” to define a function

... x % 2 == 0)" function (not any other statement before i.e. println("val") etc. Invoking event2 with different parameters will actually invoke "(x => x % 2 == 0)" code, as only that is saved with event2. scala> even2(2) res7: Boolean = true scala> even2(3) res8: Boolean = false Just to ...
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jQuery: keyPress Backspace won't fire?

...is; setTimeout( function(){ /** Code that processes backspace, etc. **/ }, 100 ); } ); share | improve this answer | follow | ...
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Should the .gradle folder be added to version control?

...radle folder will contain generic information such as dependency mappings, etc and uploaded it on version control. I then tried setting up a new machine with a different OS flavor and Java version using code from the version control including the .gradle folder and ran into errors. Turned out that t...
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Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?

...e calls to an Attribute("style", "display:none").Attribute("class", "foo") etc) If C# had a less verbose syntax for dictionary literals, then I wouldn't have bothered including this syntax in the grid component :) I also want to point out that the use of this in MvcContrib is completely optional -...
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Contributing to project on github, how to “rebase my pull request on top of master”

... You only show a fetch on the upstream repo. That doesn't actually update any of your local branches. It only updates your knowledge of upstream. You'd need to ensure upstream/master is fully merged into your master, like with a git pull, prio...
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iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?

...Element is an element which shows the keyboard (input type=text, textarea, etc). The following code fudges things for our purposes (although not generally correct). function getViewport() { if (window.visualViewport && /Android/.test(navigator.userAgent)) { // https://developer...