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Hide text using css
...9px; /* sends the text off-screen */
background-image: url(/the_img.png); /* shows image */
height: 100px; /* be sure to set height & width */
width: 600px;
white-space: nowrap; /* because only the first line is indented */
}
h1...
JavaScript global event mechanism
...ike:
<script type="text/javascript">
window.onerror = function(msg, url, line, col, error) {
// Note that col & error are new to the HTML 5 spec and may not be
// supported in every browser. It worked for me in Chrome.
var extra = !col ? '' : '\ncolumn: ' + col;
extra += !er...
POSTing a @OneToMany sub-resource association in Spring Data REST
...takes these steps:
Discover the collection resource managing comments:
curl -X GET http://localhost:8080
200 OK
{ _links : {
comments : { href : "…" },
posts : { href : "…" }
}
}
Follow the comments link and POST your data to the resource:
curl -X POST -H "Content-Type: applicat...
“PKIX path building failed” and “unable to find valid certification path to requested target”
...
Go to URL in your browser:
firefox - click on HTTPS certificate chain (the lock icon right next to URL address). Click "more info" > "security" > "show certificate" > "details" > "export..". Pickup the name and choos...
What is the difference between Class.getResource() and ClassLoader.getResource()?
...es relative to the classpath root.
To debug issues like that, I print the URL:
System.out.println( getClass().getResource(getClass().getSimpleName() + ".class") );
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How can prepared statements protect from SQL injection attacks?
...blic static void main(String[] args) throws SQLException {
String url = "jdbc:postgresql://localhost/postgres?user=user&password=pwd";
Connection conn = DriverManager.getConnection(url);
Statement stmt = conn.createStatement();
String sql = "SELECT paymentType, ...
Why should we include ttf, eot, woff, svg,… in a font-face
...owsers that support it.)
@font-face {
font-family: 'MyWebFont';
src: url('myfont.woff2') format('woff2'),
url('myfont.woff') format('woff');
}
Support for woff can be checked at http://caniuse.com/woff
Support for woff2 can be checked at http://caniuse.com/woff2
...
How do you synchronise projects to GitHub with Android Studio?
...e root of the project and do git remote add <remote_name> <remote_url>
Now when you do VCS -> Commit changes -> Commit & Push you should see your remote and everything should work through the GUI.
If you are getting the error: fatal: remote <remote_name> already exist...
How to post pictures to instagram using API
...However, if you reverse engineer the API, you can.
function SendRequest($url, $post, $post_data, $user_agent, $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, CUR...
How to “crop” a rectangular image into a square with CSS?
...
<div class="thumb1">
</div>
CSS:
.thumb1 {
background: url(blah.jpg) 50% 50% no-repeat; /* 50% 50% centers image in div */
width: 250px;
height: 250px;
}
.thumb1:hover { YOUR HOVER STYLES HERE }
EDIT: If the div needs to link somewhere just adjust HTML and Styles like so:
...