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JOIN queries vs multiple queries
...d networking resources (between SQL server and your code server).
Source: https://dev.mysql.com/doc/refman/8.0/en/nested-join-optimization.html ; https://dev.mysql.com/doc/workbench/en/wb-relationship-tools.html
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Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
...o 2013: javascript:void(0) violates Content Security Policy on CSP-enabled HTTPS pages. One option would be then to use href='#' and event.preventDefault() in the handler, but I don't like this much. Perhaps you can establish a convention to use href='#void' and make sure no element on the page has ...
How to call asynchronous method from synchronous method in C#?
...read) that has comments to indicate that it is MIT Licensed by Microsoft. https://github.com/aspnet/AspNetIdentity/blob/master/src/Microsoft.AspNet.Identity.Core/AsyncHelper.cs
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Should IBOutlets be strong or weak under ARC?
...rong should be the default and that the developer docs are being updated.
https://twitter.com/_danielhall/status/620716996326350848
https://twitter.com/_danielhall/status/620717252216623104
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What does the function then() mean in JavaScript?
...g callback functions on the promise object.
Deferred objects in Jquery : https://api.jquery.com/jquery.deferred/
Deferred objects in AngularJs : https://docs.angularjs.org/api/ng/service/$q
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Error: could not find function … in R
...een added to R on that function's help page (e.g. ?hasName). E.g. neither https://www.rdocumentation.org/packages/utils/versions/3.4.3/topics/hasName nor https://stat.ethz.ch/R-manual/R-devel/library/utils/html/hasName.html say "introduced in R 3.4.0" I ended up figuring it out by browsing through...
Securely storing environment variables in GAE with app.yaml
...astore values in the App Engine console and set them. Here is how:
Go to https://console.cloud.google.com/datastore/
Select your project at the top of the page if it's not already selected.
In the Kind dropdown box, select Settings.
If you ran the code above, your keys will show up. They will all ...
Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
...(bash) to ease the creation of a local repository of Chrome versions - see https://gist.github.com/Rob--W/8577499)
VB Script which automates install, config & launch
I've created a VB script which installs and configures Chrome (tested in XP and Win 7). Launch the script, and a file dialog app...
Auto-size dynamic text to fill fixed size container
...irection, and this is what I ended up with:
Here is a link to the plugin: https://plugins.jquery.com/textfill/
And a link to the source: http://jquery-textfill.github.io/
;(function($) {
$.fn.textfill = function(options) {
var fontSize = options.maxFontPixels;
var ourText = $('...
Bootstrap combining rows (rowspan)
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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...
