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Alternative to google finance api [closed]
...ng (f=..). For an overview of all of the formats see this page.
For more examples, visit this page.
For XML and JSON-based data, you can do the following:
Don't use YQL (Yahoo Query Language)**
For example:
http://developer.yahoo.com/yql/console/?q=select%20*%20from%20yahoo.finance
.quotes%20...
Does Java casting introduce overhead? Why?
...e is no overhead:
String s = "Cast";
Object o = s; // implicit casting
Explicit casting, when you go from a wider type to a more narrow one. For this case, you must explicitly use casting like that:
Object o = someObject;
String s = (String) o; // explicit casting
In this second case, there is...
移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...站，移动设备上的浏览器都会把自己默认的viewport设为980px或1024px（也可能是其它值，这个是由设备自己决定的），但带来的后果就是浏览器会出现横向滚动条，因为浏览器可视区域的宽度是比这个默认的viewport的宽度要小的。下...
When to use , tag files, composite components and/or custom components?
...ith Facelets recently and got puzzled by new composite components knowing existing <ui:include> and other templating techniques offered by Facelets 1.x.
...
What Makes a Good Unit Test? [closed]
...uld not rely on each other - Isolated. No assumptions about order of test execution. Ensure 'clean slate' before each test by using setup/teardown appropriately
Professional: In the long run you'll have as much test code as production (if not more), therefore follow the same standard of good-design...
How to use the “required” attribute with a “radio” input field
...
@kumar_harsh : Any checkbox marked as required must be checked. Likewise, marking a checkbox required has not effect on any other checkboxes (same name or not). There is no simple markup to indicate indicate "of these x checkboxes with the same name...
What does “S3 methods” mean in R?
...oglecode.com/svn/trunk/google-r-style.html )*. However, I do not know the exact definition of S3 methods/objects.
6 Answers...
How can I quantify difference between two images?
...both images as arrays (scipy.misc.imread) and calculate an element-wise (pixel-by-pixel) difference. Calculate the norm of the difference.
Option 2: Load both images. Calculate some feature vector for each of them (like a histogram). Calculate distance between feature vectors rather than images.
H...
Is gcc std::unordered_map implementation slow? If so - why?
...ady a report in the mailing list. The discussion seem to be pointing to "fixes" to max_load_factor handling, which led to the difference in performance.
– jxh
Jul 24 '12 at 18:21
...
No ConcurrentList in .Net 4.0?
..., unless you "cheat" and just use some sort of linked list and let the indexing suck).
What I thought might be worthwhile was a thread-safe, limited subset of IList<T>: in particular, one that would allow an Add and provide random read-only access by index (but no Insert, RemoveAt, etc., and ...