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How do you know when to use fold-left and when to use fold-right?
...trees, but when I reach for a fold, I sometimes find myself getting bogged down in headache-inducing thought trying to determine which kind of fold is appropriate. I usually end up unwinding the entire problem and stepping through the implementation of the fold function as it applies to my problem....
Spring Boot: How can I set the logging level with application.properties?
... v1.2.0.RELEASE, the settings in application.properties or application.yml do apply. See the Log Levels section of the reference guide.
logging.level.org.springframework.web: DEBUG
logging.level.org.hibernate: ERROR
For earlier versions of Spring Boot you cannot. You simply have to use the normal c...
Passing arguments to angularjs filters
...t="group in groups">
<li ng-repeat="friend in friends | filter:weDontLike(group.enemy.name)">
<span>{{friend.name}}</span>
<li>
</div>
To make this work you just define your filter as the following:
$scope.weDontLike = function(name) {
return f...
When should assertions stay in production code? [closed]
...
Assertions are comments that do not become outdated. They document which theoretical states are intended, and which states should not occur. If code is changed so states allowed change, the developer is soon informed and needs to update the assertion.
...
Including non-Python files with setup.py
How do I make setup.py include a file that isn't part of the code? (Specifically, it's a license file, but it could be any other thing.)
...
What are the best practices for structuring a large Meteor app with many HTML template files? [close
...many different HTML template files we can use as a best practice example? Doesn't seem practical to put everything a large app needs all in one template file.
...
Testing web application on Mac/Safari when I don't own a Mac
...ite I launched displayed perfectly on IE, Firefox, Chrome and Safari on Windows but was corrupted when viewed using Safari on the Mac (by a potential customer), I need to start testing how my sites look when viewed on a Mac.
...
Android mock location on device?
...ow can I mock my location on a physical device (Nexus One)? I know you can do this with the emulator in the Emulator Control panel, but this doesn't work for a physical device.
...
Why doesn't the height of a container element increase if it contains floated elements?
...y inner div will overflow its outside div. What would be the proper way to do it?
7 Answers
...
Can you use if/else conditions in CSS?
...x;
}
p.active {
background-position : 4px 8px;
}
That's the CSS way to do it.
Then there are CSS preprocessors like Sass. You can use conditionals there, which'd look like this:
$type: monster;
p {
@if $type == ocean {
color: blue;
} @else if $type == matador {
color: red;
} @e...