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Getting the name of a child class in the parent class (static context)
...swered Dec 30 '18 at 22:27
Engr Syed Rowshan AliEngr Syed Rowshan Ali
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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
...This would be the "arrow function expression" introduced in ECMAScript 6.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/arrow_functions
For historical purposes (if the wiki page changes later), it is:
An arrow function expression has a shorter syntax compared to function ex...
Calculating moving average
...comment from @Ricardo Cruz:
cx <- c(0, cumsum(ifelse(is.na(x), 0, x)))
cn <- c(0, cumsum(ifelse(is.na(x), 0, 1)))
rx <- cx[(n+1):length(cx)] - cx[1:(length(cx) - n)]
rn <- cn[(n+1):length(cx)] - cn[1:(length(cx) - n)]
rsum <- rx / rn
This still has the issue that if all the values ...
Similar to jQuery .closest() but traversing descendants?
Is there a function similar to jQuery .closest() but for traversing descendants and returning only closest ones?
16 Ans...
Break a previous commit into multiple commits
...was farther back in the tree than you want to count, then
$ git rebase -i 123abcd~
where 123abcd is the SHA1 of the commit you want to split up.
If you are on a different branch (e.g., a feature branch) that you plan to merge into master:
$ git rebase -i master
When you get the rebase edit sc...
How can I create a self-signed cert for localhost?
I've gone through the steps detailed in How do you use https / SSL on localhost? but this sets up a self-signed cert for my machine name, and when browsing it via https://localhost I receive the IE warning.
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keytool error :java.io.IoException:Incorrect AVA format
...PatrickTaylor -validity 10000
-keystore C:\drops\patrickkeystore
-dname "cn=Patrick Taylor, ou=engineering, o=company, c=US"
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Strangest language feature
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Fun with auto boxing and the integer cache in Java:
Integer foo = 1000;
Integer bar = 1000;
foo <= bar; // true
foo >= bar; // true
foo == bar; // false
//However, if the values of foo and bar are between 127 and -12...
CSS to stop text wrapping under image
... to use a <p> element as a parent for your <span>.
<li id="CN2787">
<img class="fav_star" src="images/fav.png">
<p>
<span>Text, text and more text</span>
</p>
</li>
Since <p> is a block element, you can set its width using CSS...
Android WebView, how to handle redirects in app instead of opening a browser
...de for handling redirect urls and open PDF without download, in webview.
https://gist.github.com/ashishdas09/014a408f9f37504eb2608d98abf49500
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