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CSS background image to fit width, height should auto-scale in proportion
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There is a CSS3 property for this, namely background-size (compatibility check). While one can set length values, it's usually used with the special values contain and cover. In your specific case, you should use cover:
body {
background-image: url(images/background.svg);
backgroun...
Media query to detect if device is touchscreen
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I would suggest using modernizr and using its media query features.
if (Modernizr.touch){
// bind to touchstart, touchmove, etc and watch `event.streamId`
} else {
// bind to normal click, mousemove, etc
}
However, using CSS, there are pseudo class like, fo...
Is there a practical use for weak references? [duplicate]
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If you want to keep a reference to something as long as it is used elsewhere e.g. a Listener, you can use a weak reference.
WeakHashMap can be used as a short lived cache of keys to derived data. It can also be used to keep information about objects used else where and you don't...
What are the differences between a clustered and a non-clustered index?
...red index
Both types of index will improve performance when select data with fields that use the index but will slow down update and insert operations.
Because of the slower insert and update clustered indexes should be set on a field that is normally incremental ie Id or Timestamp.
SQL Server w...
Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
I'm trying to connect to my MySQL DB with the Terminal on my Apple (With PHP).
17 Answers
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UITableView is starting with an offset in iOS 7
I have dragged a plain jane UITableView onto a UIViewController in iOS 7.
20 Answers
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Tainted canvases may not be exported
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For security reasons, your local drive is declared to be "other-domain" and will taint the canvas.
(That's because your most sensitive info is likely on your local drive!).
While testing try these workarounds:
Put all page related...
How to generate javadoc comments in Android Studio
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edited Feb 5 '18 at 10:35
Johnny Five
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Is it possible to set a number to NaN or infinity?
Is it possible to set an element of an array to NaN in Python?
4 Answers
4
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How to change href of tag on button click through javascript
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Without having a href, the click will reload the current page, so you need something like this:
<a href="#" onclick="f1()">jhhghj</a>
Or prevent the scroll like this:
<a href="#" onclick="f1(); return false;...