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How can I check if a background image is loaded?
...g with it's event listener:
Short version:
const imageUrl = "https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png";
let bgElement = document.querySelector("body");
let preloaderImg = document.createElement("img");
preloaderImg.src = imageUrl;
preloaderImg.ad...
Java Logging vs Log4J [closed]
...r; warning messages from another subset of classes get logged to a file on network drive A; and then all messages from everywhere get logged to a file on network drive B"? And do you see yourself tweaking it every couple of days?
If you can answer yes to any of the above questions, go with Log4j. ...
How do search engines deal with AngularJS applications?
...sts. More on this here:
https://web.archive.org/web/20160318211223/http://www.analog-ni.co/precomposing-a-spa-may-become-the-holy-grail-to-seo
Search Engines can read and execute JavaScript
Google has been able to parse JavaScript for some time now, it's why they originally developed Chrome, to a...
How should I handle “No internet connection” with Retrofit on Android
I'd like to handle situations when there is no internet connection. Usually I'd run:
7 Answers
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Is type=“text/css” necessary in a tag?
...but for older versions of HTML is it required.
Html 4 W3.org spec
http://www.w3.org/TR/html40/struct/links.html#edef-LINK
http://www.w3.org/TR/html40/present/styles.html
Type stands for The MIME type of the style sheet. The only supported value I have ever seen is Text/CSS, which is probably why...
How can I add the sqlite3 module to Python?
...E/local"
cd ~
mkdir build
cd build
[ -f Python-3.6.2.tgz ] || wget https://www.python.org/ftp/python/3.6.2/Python-3.6.2.tgz
tar -zxvf Python-3.6.2.tgz
[ -f sqlite-autoconf-3240000.tar.gz ] || wget https://www.sqlite.org/2018/sqlite-autoconf-3240000.tar.gz
tar -zxvf sqlite-autoconf-3240000.tar.gz
c...
Pure JavaScript Send POST Data Without a Form
...en("POST", url, true);
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
xhr.send(someStuff);
That code would post someStuff to url. Just make sure that when you create your XMLHttpRequest object, it will be cross-browser compatible. There are endless exampl...
How to print color in console using System.out.println?
... for those who develop in eclipse, i can reccomend this plugin: mihai-nita.net/2013/06/03/eclipse-plugin-ansi-in-console and nice piece of code to enable color if the code isn't being executed in console: if (System.console() == null) System.setProperty("jansi.passthrough", "true");
...
Serializing PHP object to JSON
So I was wandering around php.net for information about serializing PHP objects to JSON, when I stumbled across the new JsonSerializable Interface . It's only PHP >= 5.4 though, and I'm running in a 5.3.x environment.
...
Member '' cannot be accessed with an instance reference
...
In C#, unlike VB.NET and Java, you can't access static members with instance syntax. You should do:
MyClass.MyItem.Property1
to refer to that property or remove the static modifier from Property1 (which is what you probably want to do). Fo...