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What is the difference between URI, URL and URN? [duplicate]
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Uniform Resource Identifier (URI) is a string of characters used to identify a name or a resource on the Internet
A URI identifies a resource either by location, or a name, or both. A URI has two specializations known as URL and URN.
A Unif...
glVertexAttribPointer clarification
...r glTexCoordPointer work, just instead of named attributes, you get to provide a number that specifies your own attribute. You pass this value as index. All your glVertexAttribPointer calls get queued up for the next time you call glDrawArrays or glDrawElements. If you have a VAO bound, the VAO will...
Can dplyr package be used for conditional mutating?
...3 <- BASE_fun(DF))
# user system elapsed
# 11.676 1.530 13.319
identical(as.data.frame(ans1), as.data.frame(ans2))
# [1] TRUE
identical(as.data.frame(ans1), as.data.frame(ans3))
# [1] TRUE
Not sure if this is an alternative you'd asked for, but I hope it helps.
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In git how is fetch different than pull and how is merge different than rebase?
...lly was that how could I see the changes someone else has done and then decide whether I would like to merge them into my working directory (i.e. experiment with other people's changes to make sure it does not break my work) but I am still confused how to do that? Should I just pul and experiment/ex...
Use CSS3 transitions with gradient backgrounds
...ckground-size:1px 200px;
border-radius: 10px;
border: 1px solid #839DB0;
cursor:pointer;
width: 150px;
height: 100px;
}
#DemoGradient:Hover{
background-position:100px;
}
<div id="DemoGradient"></div>
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Where to use EJB 3.1 and CDI?
...synchronous method invocation. Starting threads is a no-no in any server-side environment. Having too many threads is a serious performance killer. This annotation allows you to parallelize things you do using the container's thread pool. This is awesome.
Available to @Stateful, @Stateless an...
Protecting Java Source Code From Being Accessed [closed]
... week, I had to create a little GUI for homework.
None of my school mates did it. They have stolen my one from where we had to upload it and then they uploaded it again as theirs. When I told my teacher it was all my work he did not believe me.
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Better explanation of when to use Imports/Depends
The " Writing R Extensions " manual provides the following guidance on when to use Imports or Depends:
4 Answers
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using jquery $.ajax to call a PHP function
...o call a PHP script. What I want to do is basically put that PHP script inside a function and call the PHP function from javascript.
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Change type of varchar field to integer: “cannot be cast automatically to type integer”
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My statement: ALTER TABLE "tblMenus" ALTER COLUMN "MID" USING (trim("MID")::integer);
– itsols
Nov 1 '12 at 4:08
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