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Can you use a trailing comma in a JSON object?
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This approach works for indexed for-loops. How about for...in style loops? Is there an elegant way?
– kgf3JfUtW
Jun 28 '17 at 21:53
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Storing R.drawable IDs in XML array
...tResources().obtainTypedArray(R.array.random_imgs);
// get resource ID by index
imgs.getResourceId(i, -1)
// or set you ImageView's resource to the id
mImgView1.setImageResource(imgs.getResourceId(i, -1));
// recycle the array
imgs.recycle();
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How can one check to see if a remote file exists using PHP?
...t I could find, an if fclose fopen type thing, makes the page load really slowly.
22 Answers
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How can I add an item to a SelectList in ASP.net MVC
... Populating a SelectListItem, converting to an List, and adding a value at index 0.
List<SelectListItem> items = new SelectList(CurrentViewSetups, "SetupId", "SetupName", setupid).ToList();
items.Insert(0, (new SelectListItem { Text = "[None]", Value = "0" }));
ViewData["SetupsSelectList"]...
how to get html content from a webview?
... }
});
webview.loadUrl("http://android-in-action.com/index.php?post/" +
"Common-errors-and-bugs-and-how-to-solve-avoid-them");
}
class MyJavaScriptInterface {
private Context ctx;
MyJavaScriptInterface(Context ctx) {
this.c...
Undo git reset --hard with uncommitted files in the staging area
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You should be able to recover any files back that you added to the index (e.g, as in your situation, with git add .) although it might be a bit of work. In order to add a file to the index, git adds it to the object database, which means it can be recovered so long as garbage collection has...
Google Authenticator available as a public service?
...unts.
The actual process is straightforward. The one time code is, essentially, a pseudo random number generator. A random number generator is a formula that once given a seed, or starting number, continues to create a stream of random numbers. Given a seed, while the numbers may be random to each ...
Animate text change in UILabel
...ue:String,duration: Double){
let characters = value.map { $0 }
var index = 0
Timer.scheduledTimer(withTimeInterval: duration, repeats: true, block: { [weak self] timer in
if index < value.count {
let char = characters[index]
self?.text! += "\(char)"
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How does one unit test routes with Express?
...be("Default Route", function(){
it("should provide the a title and the index view name", function(done){
routes.index({}, {
render: function (viewName) {
viewName.should.equal("index")
done()
}
})
})
})
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String concatenation vs. string substitution in Python
...catenation is (significantly) faster according to my machine. But stylistically, I'm willing to pay the price of substitution if performance is not critical. Well, and if I need formatting, there's no need to even ask the question... there's no option but to use interpolation/templating.
>>&g...