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How to create an HTML button that acts like a link?
... specify the desired target URL in the action attribute.
<form action="https://google.com">
<input type="submit" value="Go to Google" />
</form>
If necessary, set CSS display: inline; on the form to keep it in the flow with the surrounding text. Instead of <input type="su...
Javascript !instanceof If Statement
...rray)) {
//...
}
In this case, the order of precedence is important (https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/Operator_Precedence). The ! operator precedes the instanceof operator.
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How to post pictures to instagram using API
...ent, $cookies) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://i.instagram.com/api/v1/'.$url);
curl_setopt($ch, CURLOPT_USERAGENT, $user_agent);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
if($post) {
cu...
Does Typescript support the ?. operator? (And, what's it called?)
...Update: it is supported as of TypeScript 3.7 and called Optional chaining: https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html#optional-chaining
I can't find any reference to it whatsoever in the TypeScript language specification.
As far as what to call this operator in ...
Run a callback only if an attribute has changed in Rails
... # ...
end
end
The commit that changed ActiveRecord::Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faac5b4a3c81
Here is a blog post on these changes: https://www.ombulabs.com/blog/rails/upgrades/active-record-5-1-api-changes.html
Here is the summary I made...
Map and Reduce in .NET
...;
Filter is Where:
Enumerable.Range(1, 10).Where(x => x % 2 == 0);
https://www.justinshield.com/2011/06/mapreduce-in-c/
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How do I make an http request using cookies on Android?
... how to do it using the "Form based logon" example in the HttpClient docs:
https://github.com/apache/httpcomponents-client/blob/master/httpclient5/src/test/java/org/apache/hc/client5/http/examples/ClientFormLogin.java
import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpEnt...
FontAwesome icons not showing. Why?
...t-awesome.css"
rel="stylesheet" type='text/css'>
If your page uses HTTPS, do you link to the font-awesome CSS using HTTPS (replace http:// with https:// in the link above).
Double check that you don't have AdBlock Plus or uBlock enabled. They might be blocking some of the icons.
Reset your b...
Getting the location from an IP address [duplicate]
...u can also use it client-side. Here's a simple jQuery example:
$.get("https://ipinfo.io/json", function (response) {
$("#ip").html("IP: " + response.ip);
$("#address").html("Location: " + response.city + ", " + response.region);
$("#details").html(JSON.stringify(response, null, 4...
Git - How to use .netrc file on Windows to save user and password
...ith netrc support on Windows is that git will bypass using it if an origin https url specifies a user name.
For example, if your .git/config file contains:
[remote "origin"]
fetch = +refs/heads/*:refs/remotes/origin/*
url = https://bob@code.google.com/p/my-project/
Git will not res...