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Error: could not find function … in R
...een added to R on that function's help page (e.g. ?hasName). E.g. neither https://www.rdocumentation.org/packages/utils/versions/3.4.3/topics/hasName nor https://stat.ethz.ch/R-manual/R-devel/library/utils/html/hasName.html say "introduced in R 3.4.0" I ended up figuring it out by browsing through...
Securely storing environment variables in GAE with app.yaml
...astore values in the App Engine console and set them. Here is how:
Go to https://console.cloud.google.com/datastore/
Select your project at the top of the page if it's not already selected.
In the Kind dropdown box, select Settings.
If you ran the code above, your keys will show up. They will all ...
Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
...(bash) to ease the creation of a local repository of Chrome versions - see https://gist.github.com/Rob--W/8577499)
VB Script which automates install, config & launch
I've created a VB script which installs and configures Chrome (tested in XP and Win 7). Launch the script, and a file dialog app...
Auto-size dynamic text to fill fixed size container
...irection, and this is what I ended up with:
Here is a link to the plugin: https://plugins.jquery.com/textfill/
And a link to the source: http://jquery-textfill.github.io/
;(function($) {
$.fn.textfill = function(options) {
var fontSize = options.maxFontPixels;
var ourText = $('...
Bootstrap combining rows (rowspan)
...
div {
height:50px;
}
.short-div {
height:25px;
}
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet" />
<div class="container">
<h1>Responsive Bootstrap</h1>
<div class="row">
<div class="col-lg...
“From View Controller” disappears using UIViewControllerContextTransitioning
...
I've found this extremely useful answer in a related thread by Lefteris:
https://stackoverflow.com/a/27165723/3709173
To sum it up:
set modalPresentationStyle to .Custom
subclass UIPresentationController, override shouldRemovePresentersView (with NO)
override presentationControllerForPresentedV...
Why does struct alignment depend on whether a field type is primitive or user-defined?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
What is the difference between JDK and JRE?
... it needs less Disk space.
The JRE can be downloaded/supported freely from
https://www.java.com
It includes the JVM , Core libraries and other additional components to run applications and applets written in Java.
JDK (Java Development Kit)
It is a bundle of software that you can use to develop ...
Why is a round-trip conversion via a string not safe for a double?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Thread pooling in C++11
...
You can use C++ Thread Pool Library, https://github.com/vit-vit/ctpl.
Then the code your wrote can be replaced with the following
#include <ctpl.h> // or <ctpl_stl.h> if ou do not have Boost library
int main (int argc, char *argv[]) {
ctpl::t...