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Where can I learn jQuery? Is it worth it?
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It is very much worth it. jQuery really makes JavaScript fun again. It's as if all of JavaScript best practices were wrapped up into a single library.
I learned it through jQuery in Action (Manning), which I whipped through over a weekend. It's a little bit behind the curre...
MySQL JOIN the most recent row only?
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You may want to try the following:
SELECT CONCAT(title, ' ', forename, ' ', surname) AS name
FROM customer c
JOIN (
SELECT MAX(id) max_id, customer_id
FROM customer_data
GROUP BY customer_id
) c_max ON...
How to force a web browser NOT to cache images
...th HTML forms for events where they fill the fields (date, place, title, description, links, etc.) and save it. On that form I allow the administrator to upload an image related to the event. On the HTML page displaying the form, I am also showing a preview of the picture uploaded (HTML img tag).
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How to use Servlets and Ajax?
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Indeed, the keyword is "ajax": Asynchronous JavaScript and XML. However, last years it's more than often Asynchronous JavaScript and JSON. Basically, you let JS execute an asynchronous HTTP request and update the HTML DOM tree based on the response data.
Since it's pretty...
InputStream from a URL
...the page.
<!DOCTYPE html>
<html>
<head>
<title>Home page</title>
<meta charset="UTF-8">
</head>
<body>
<form action="ReadWebPage">
<label for="page">Enter a web page name:</label>
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How to hide the title bar for an Activity in XML with existing custom theme
I want to hide the titlebar for some of my activities. The problem is that I applied a style to all my activities, therefore I can't simply set the theme to @android:style/Theme.NoTitleBar .
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How can I find which tables reference a given table in Oracle SQL Developer?
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Less useful if you need this in a script for some reason, but if you just need to know about the connections this seems like the modern way to go.
– SnoringFrog
Mar 21 '17 at 14:58
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Unix command-line JSON parser? [closed]
... pretty print json. If you need to extract/manipulate json data in a shell script, I would use jq which is pure awesome at what is does...
– muhqu
May 9 '14 at 8:04
1
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How to find largest objects in a SQL Server database?
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I've been using this SQL script (which I got from someone, somewhere - can't reconstruct who it came from) for ages and it's helped me quite a bit understanding and determining the size of indices and tables:
SELECT
t.name AS TableName,
i.n...
Percentage Height HTML 5/CSS
...ge enough to fit the content. For example:
<!DOCTYPE html>
<title>Example of 100% width and height</title>
<style>
html, body { height: 100%; margin: 0; }
div { height: 100%; width: 100%; background: red; }
</style>
<div></div>
...