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SVG get text element width
I'm working on some ECMAScript/JavaScript for an SVG file and need to get the width and height of a text element so I can resize a rectangle that surrounds it. In HTML I would be able to use the offsetWidth and offsetHeight attributes on the element but it appears that those properties are...
What is hashCode used for? Is it unique?
...de is a numeric value that is used to identify an object
during equality testing. It can also serve as an index for an object
in a collection.
The GetHashCode method is suitable for use in hashing algorithms and
data structures such as a hash table.
The default implementation of the ...
Difference between Big-O and Little-O Notation
...n understand as: how do functions compare when zooming out? (A good way to test this is simply to use a tool like Desmos and play with your mouse wheel). In particular:
f(n) ∈ o(n) means: at some point, the more you zoom out, the more f(n) will be dominated by n (it will progressively diverge fro...
Font scaling based on width of container
...
Solution with SVG:
.resizeme {
resize: both;
margin: 0;
padding: 0;
height: 75px;
width: 500px;
background-color: lightblue;
overflow: hidden;
}
<div class="resizeme">
<svg
width="100%"
hei...
Understanding NSRunLoop
...rce queue is main queue, the whatever queue is the destination queue.
To test that I logged RunLoop.current inside every dispatch.
The sync dispatch had the same runloop as main queue. While the RunLoop within the async block was a different instance from the others. You might be thinking how why...
Web Service vs WCF Service
...s Service : System.Web.Services.WebService
{
[WebMethod]
public string Test(string strMsg)
{
return strMsg;
}
}
To develop a service in WCF, we will write the following code
[ServiceContract]
public interface ITest
{
[OperationContract]
string ShowMessage(string strMsg);
}
public ...
How to add NERDTree to your .vimrc
...nstead:
autocmd VimEnter * NERDTree
And it might also be a good idea to test that NERDtree is available as well, i.e.:
if exists("loaded_nerd_tree")
autocmd VimEnter * NERDTree
endif
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D3.js: what is 'g' in .append(“g”) D3.js code?
...
It appends a 'g' element to the SVG. g element is used to group SVG shapes together, so no it's not d3 specific.
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Multiprocessing - Pipe vs Queue
... as possible. These are the timing results of a drag race between similar tests using Pipe() and Queue()... This is on a ThinkpadT61 running Ubuntu 11.10, and Python 2.7.2.
FYI, I threw in results for JoinableQueue() as a bonus; JoinableQueue() accounts for tasks when queue.task_done() is called (...
What GRANT USAGE ON SCHEMA exactly do?
... the schema that contains it then you can't access the table.
The rights tests are done in order:
Do you have `USAGE` on the schema?
No: Reject access.
Yes: Do you also have the appropriate rights on the table?
No: Reject access.
Yes: Check column privileges.
Your...