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“cannot resolve symbol R” in Android Studio
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For me this was causing the problem: Mismatch among ApplicationId in gradle and package name in manifest (and though the auto import added the wrong address for the R file). I recommend this little article to make clarification of difference between the two. blog....
Single huge .css file vs. multiple smaller specific .css files? [closed]
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If you're building an SPA (single page app) then I'd argue the best design is to build all of your css and js into two complete files. "app.js" and "vendor.js" All the html, and styles are compiled to inline JS in vendor.js That means "bootstrap.css and bootstr...
Why is require_once so bad to use?
...xtra work being done there but enough to detriment the speed of the whole app?
... I really doubt it... Not unless you're on really old hardware or doing it a lot.
If you are doing thousands of *_once, you could do the work yourself in a lighter fashion. For simple apps, just making sure you've o...
Rspec doesn't see my model Class. uninitialized constant error
I'm writing tests on Rspec for my models in Ruby on Rails application.
And I receive this error while starting 'rspec spec'
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How can I pretty-print JSON using Go?
...SPViolationRequest(w http.ResponseWriter, req *http.Request) {
body := App.MustReadBody(req, w)
if body == nil {
return
}
var prettyJSON bytes.Buffer
error := json.Indent(&prettyJSON, body, "", "\t")
if error != nil {
log.Println("JSON parse error: ", err...
How To Create a Flexible Plug-In Architecture?
... the use of or creation of an in-house plug-in architecture. I've seen it approached many ways - configuration files (XML, .conf, and so on), inheritance frameworks, database information, libraries, and others. In my experience:
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Scroll Element into View with Selenium
...a sleep might have been implemented to deal with the unknown of the target app. If it has dynamic scrolling, or a single-page app that loads the next bit of the page after scrolling, among other possibilities. Speaking from experience, Selenium has frequently broken my company's site because the aut...
Fatal error: unexpectedly found nil while unwrapping an Optional values [duplicate]
...equeueReusableCellWithIdentifier that the return type is an Implicitly Unwrapped Optional:
func dequeueReusableCellWithIdentifier(identifier: String!) -> AnyObject! // Used by the delegate to acquire an already allocated cell, in lieu of allocating a new one.
That's determined by the exclamati...
how to read all files inside particular folder
... I think it is better to use StringBuilder inside the loop to append every file's content. sb.Append(File.ReadAllText(file));
– e0x3
Feb 20 '17 at 5:51
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Android Calling JavaScript functions in WebView
...ebview . Pretty simple what the code tries to do below - from the android app, call a javascript function with a test message, which inturn calls a java function back in the android app that displays test message via toast.
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