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Multiple submit buttons in an HTML form
...Press event of the form element and would detect whether the Enter key was selected. If this is the case, it will submit the form.
Here are two pages that give techniques on how to do this: 1, 2. Based on these, here is an example of usage (based on here):
<SCRIPT TYPE="text/javascript">//&l...
Filter rows which contain a certain string
... @MySchizoBuddy: If the column name contains white space, you can select the variable using backticks. Modifying the example above: mtcars$`my type` <- rownames(mtcars) and then mtcars %>% filter(grepl('Toyota|Mazda', `my type`))
– alex23lemm
Ju...
How to parse freeform street/postal address out of text, and into components
...ybe you have a good way to deal with single-field US addresses, so if they select United States, you can reduce your form to a single field, otherwise show the component fields. Just things to think about!
Now we know why it's hard; what can you do about it?
The USPS licenses vendors through a proce...
Finding a branch point with Git?
...ed from master):
or here (as viewed from topic):
in both cases, I've selected the commit that is B in my graph. Once you click on it, its full SHA is presented in a text input field just below the graph.
2. visually, but from the terminal:
git log --graph --oneline --all
(Edit/side-note:...
How can I unit test Arduino code?
...tiplex four 7 segment displays, one port driving the segments and a second selecting the display. The display code interfaces with the displays via SetSegmentData(char) and SetDisplay(char). I can mock these in my C++ test rig and check that I get the data I expect. For the target I use #define so t...
Handle ModelState Validation in ASP.NET Web API
... {
var errors = context.ModelState.Values.SelectMany(x => x.Errors.Select(p => new ErrorModel()
{
ErrorCode = ((int)HttpStatusCode.BadRequest).ToString(CultureInfo.CurrentCulture),
ErrorMessage =...
Getting DOM elements by classname
...
Update: Xpath version of *[@class~='my-class'] css selector
So after my comment below in response to hakre's comment, I got curious and looked into the code behind Zend_Dom_Query. It looks like the above selector is compiled to the following xpath (untested):
[contains(concat...
How do different retention policies affect my annotations?
...s goes down, I am uploading the image of the page.
Image (Right Click and Select 'Open Image in New Tab/Window')
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Dependency Inject (DI) “friendly” library
...or facility points this service provider locator to Windsor, making it the selected service provider.
Bottom line: there is no perfect solution. As with any design decision, this issue demands a balance between flexibility, maintainability and convenience.
...
Detect iPad Mini in HTML5
...by using these methods.
For the best possible browsing experience, please select what device you are using below.
This choice will be stored for future visits to the website on this device.
[] iPad 2
[*] iPad mini
[] Ancient blackberry device
"
I am not entirely familiar with what you can and...