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Difference between method and function in Scala
....3.1). Chapter 4 (basic declarations) speaks of Value Declaration and Definitions (4.1), Variable Declaration and Definitions (4.2) and Functions Declarations and Definitions (4.6). Chapter 6 (expressions) speaks of Anonymous Functions (6.23) and Method Values (6.7). Curiously, function values is sp...
do..end vs curly braces for blocks in Ruby
...s, but there is also a difference between the two that can be illustrated with this example:
puts [1,2,3].map{ |k| k+1 }
2
3
4
=> nil
puts [1,2,3].map do |k| k+1; end
#<Enumerator:0x0000010a06d140>
=> nil
This means that {} has a higher precedence than do..end, so keep that in mind wh...
Asynchronously wait for Task to complete with timeout
I want to wait for a Task<T> to complete with some special rules:
If it hasn't completed after X milliseconds, I want to display a message to the user.
And if it hasn't completed after Y milliseconds, I want to automatically request cancellation .
...
How to generate a simple popup using jQuery
...this however you like:
a.selected {
background-color:#1F75CC;
color:white;
z-index:100;
}
.messagepop {
background-color:#FFFFFF;
border:1px solid #999999;
cursor:default;
display:none;
margin-top: 15px;
position:absolute;
text-align:left;
width:394px;
z-index:50;
padding...
In Rails, how do you render JSON using a view?
...r users controller and you want to get a json response for a show request, it'd be nice if you could create a file in your views/users/ dir, named show.json and after your users#show action is completed, it renders the file.
...
How to use classes from .jar files?
...a solution for my problem. I need to use a class from a jar file called jtwitter.jar, I downloaded the file, and tried executing it (I found out yesterday that .jar files can be executed by double clicking on them) and Vista gave me an error saying "Failed to load Main-Class Manifest attribute from ...
How to align absolutely positioned element to center?
I am trying to stack two canvas together and make it a double layers canvas.
7 Answers
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The type 'string' must be a non-nullable type in order to use it as parameter T in the generic type
...Error "The type 'string' must be a non-nullable value type in order to use it as parameter 'T' in the generic type or method 'System.Nullable'"?
...
What is the difference between “screen” and “only screen” in media queries?
...s one by one.
@media (max-width:632px)
This one is saying for a window with a max-width of 632px that you want to apply these styles. At that size you would be talking about anything smaller than a desktop screen in most cases.
@media screen and (max-width:632px)
This one is saying for a devi...
How to solve “Plugin execution not covered by lifecycle configuration” for Spring Data Maven Builds
I am trying to work with Spring Data and Neo4j . I started by trying to follow this guide linked to by the main site. In particular I based my pom.xml off of the "Hello, World!" example file . Here is a snip from my pom.xml for the plugin that is causing the issues...
...