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Rails 4 multiple image or file upload using carrierwave
...ke a look at CarrierWave's documentation, this is actually very easy now.
https://github.com/carrierwaveuploader/carrierwave/blob/master/README.md#multiple-file-uploads
I will use Product as the model I want to add the pictures, as an example.
Get the master branch Carrierwave and add it to your...
Curl GET request with json parameter
...101 Firefox/57.0" }, "origin": "27.94.235.50, 27.94.235.50", "url": "https://httpbin.org/get" } Nothing is received. You need to use a query string like curl -X GET https://httpbin.org/get?data=%7B%22param0%22%3A%22pradeep%22%7D
– Jacques
Nov 17 '19 at 10...
How do I toggle an ng-show in AngularJS based on a boolean?
...riables and functions. To learn more about $roootScope refer to the link : https://docs.angularjs.org/api/ng/service/$rootScope
Here is my app file:
$rootScope.isActive = function (viewLocation) {
return viewLocation === $location.path();
};
The above function is used t...
Easy way to print Perl array? (with a little formatting)
...
# better than Dumper --you're ready for the WWW....
use JSON::XS;
print encode_json \@some_array
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Swift native base class or NSObject
...class automatically become base classes for you to build upon.
Reference https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Inheritance.html#//apple_ref/doc/uid/TP40014097-CH17-XID_251
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How do I convert CamelCase into human-readable names in Java?
...ifact is: org.modeshape:modeshape-common:2.3.0.Final
on JBoss repository: https://repository.jboss.org/nexus/content/repositories/releases
Here's the JAR file: https://repository.jboss.org/nexus/content/repositories/releases/org/modeshape/modeshape-common/2.3.0.Final/modeshape-common-2.3.0.Final.j...
Absolute positioning ignoring padding of parent
...d-color: gray;">css sux</div>
</div>
</div>
Demo: https://jsfiddle.net/soxv3vr0/
Is there a better alternative than this to 'switch on type'?
...te a blog post awhile back detailing how to build a TypeSwitch structure.
https://docs.microsoft.com/archive/blogs/jaredpar/switching-on-types
Short version: TypeSwitch is designed to prevent redundant casting and give a syntax that is similar to a normal switch/case statement. For example, here i...
How can I count text lines inside an DOM element? Can I?
...nes
Works in all browser without rare functions out of standards.
Check: https://jsfiddle.net/gzceamtr/
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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
...This would be the "arrow function expression" introduced in ECMAScript 6.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/arrow_functions
For historical purposes (if the wiki page changes later), it is:
An arrow function expression has a shorter syntax compared to function ex...