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Bootstrap combining rows (rowspan)
...
div {
height:50px;
}
.short-div {
height:25px;
}
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet" />
<div class="container">
<h1>Responsive Bootstrap</h1>
<div class="row">
<div class="col-lg...
Integrate ZXing in Android Studio
...itory that provides the zxing android library project as an AAR archive.
https://github.com/journeyapps/zxing-android-embedded
All you have to do is add this to your build.gradle
repositories {
jcenter()
}
dependencies {
implementation 'com.journeyapps:zxing-android-embedded:3.0.2@aar'...
What exactly does stringstream do?
I am trying to learn C++ since yesterday and I am using this document: http://www.cplusplus.com/files/tutorial.pdf (page 32) . I found a code in the document and I ran it. I tried inputting Rs 5.5 for price and an integer for quantity and the output was 0.
I tried inputting 5.5 and 6 and the output...
Add directives from directive in AngularJS
... }
};
}
};
});
Working plunker is available at: http://plnkr.co/edit/Q13bUt?p=preview
Or:
angular.module('app')
.directive('commonThings', function ($compile) {
return {
restrict: 'A',
replace: false,
terminal: true,
priority: 1000,
li...
Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
...
http://wiki.postgresql.org/wiki/Transactional_DDL_in_PostgreSQL:_A_Competitive_Analysis provides an overview of this issue from PostgreSQL's perspective.
Is DDL transactional according to this document?
PostgreSQL - yes
My...
Depend on a branch or tag using a git URL in a package.json?
...#v1.12.0",
Note, if you use npm --save, you'll get the longer git
From https://docs.npmjs.com/files/package.json#git-urls-as-dependencies
Git URLs as Dependencies
Git urls can be of the form:
git://github.com/user/project.git#commit-ish
git+ssh://user@hostname:project.git#commit-...
Difference between Destroy and Delete
... about your models callbacks then use destroy_all
From the official docs
http://apidock.com/rails/ActiveRecord/Base/destroy_all/class
destroy_all(conditions = nil) public
Destroys the records matching conditions by instantiating each record
and calling its destroy method. Each object’...
“From View Controller” disappears using UIViewControllerContextTransitioning
...iding off, or flip-horizontal). I filed a bug for iOS8 at rdar://17961976 (http://openradar.appspot.com/radar?id=5210815787433984). Also see the sample project at http://github.com/bcherry/TransitionBug
Edit 2: Thanks to graveley for the suggestion, using UIModalPresentationFullScreen fixes the iss...
How can I decompress a gzip stream with zlib?
...mpress gzip format, use wbits = zlib.MAX_WBITS | 16
See documentation in http://www.zlib.net/manual.html#Advanced (section inflateInit2)
examples
test data:
>>> deflate_compress = zlib.compressobj(9, zlib.DEFLATED, -zlib.MAX_WBITS)
>>> zlib_compress = zlib.compressobj(9, zlib....
Change key pair for ec2 instance
...key).
If you still have SSH access, please use one of the answers below.
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-key-pairs.html#replacing-lost-key-pair
Here is what I did, thanks to Eric Hammond's blog post:
Stop the running EC2 instance
Detach its /dev/xvda1 volume (let's call ...