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How can I add new array elements at the beginning of an array in Javascript?
...push - add an element to the beginning/end of an array
shift/pop - remove and return the first/last element of an array
A simple diagram...
unshift -> array <- push
shift <- array -> pop
and chart:
add remove start end
push X X
pop ...
Building a fat jar using maven
...vn package will produce two jars: one containing just the project classes, and a second fat jar with all dependencies with the suffix "-jar-with-dependencies".
if you want correct classpath setup at runtime then also add following plugin
<plugin>
<groupId>org.apache.maven.plugins&l...
Does .NET have a way to check if List a contains all items in List b?
... }
}
This checks whether there are any elements in b which aren't in a - and then inverts the result.
Note that it would be slightly more conventional to make the method generic rather than the class, and there's no reason to require List<T> instead of IEnumerable<T> - so this would p...
Why does Maven warn me about encoding?
...e for building the archetype at target/generated-sources/archetype/pom.xml and then runs the package goal (by default) on this POM.
The generated POM file doesn't have project.build.sourceEncoding or any other property defining encoding, and that's why you get the warning.
The POM is generated fro...
How to check if an object is a generator object in python?
...ance(gen, (types.GeneratorType, map, filter)) is useful to also detect map and filter. This will still not include other iterables and iterators though.
– jlh
May 2 at 14:32
a...
Get class name of object as string in Swift
...me // = "Foo"
Foo.typeName // = "Foo"
Tested with class, struct and enum.
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Suppressing deprecated warnings in Xcode
With all the SDKs floating around, it's handy to be able to build for multiple SDKs and platforms. However, bouncing from 3.2 to 3.0 and even occasionally 2.x, I frequently get deprecated warnings involving methods that have changed or been superseded:
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How to use ssh agent forwarding with “vagrant ssh”?
...onfig.ssh.forward_agent to TRUE in the Vagrantfile, then rebooted the VM, and tried using:
9 Answers
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angularjs: ng-src equivalent for background-image:url(…)
...url before angularjs gets to evaluate the variables placed in between {{ and }} .
9 Answers
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Extract numbers from a string
I want to extract the numbers from a string that contains numbers and letters like:
20 Answers
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