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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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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.
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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 .
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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'"?
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Subversion stuck due to “previous operation has not finished”?
If I try to update my subversion repo, it says I must run cleanup. If I run cleanup, it says a file is missing. (I deleted a MASSIVE directory of files that failed to commit this morning from my home pc, but then I commit the same set of files from work, and now my home repo is bust). So, cleanup sa...
How to use Comparator in Java to sort
I learned how to use the comparable but I'm having difficulty with the Comparator. I am having a error in my code:
14 Answ...
How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
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Create a diagram for existing database schema or its subset as follows:
Click File → Data Modeler → Import → Data Dictionary.
Select a DB connection (add one if none).
Click Next.
Check one or more schema names.
Click Next.
Check one or more objects to import.
Click...
How to calculate a Mod b in Casio fx-991ES calculator
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This calculator does not have any modulo function. However there is quite simple way how to compute modulo using display mode ab/c (instead of traditional d/c).
How to switch display mode to ab/c:
Go to settings (Shift + Mode).
Press arrow down (to view more settings).
Select ab/c (number 1)...
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...
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