大约有 13,700 项符合查询结果（耗时：0.0396秒） [XML]
Retrieve the position (X,Y) of an HTML element relative to the browser window
...n every circumstances that I've tried.
function getOffset( el ) {
var _x = 0;
var _y = 0;
while( el && !isNaN( el.offsetLeft ) && !isNaN( el.offsetTop ) ) {
_x += el.offsetLeft - el.scrollLeft;
_y += el.offsetTop - el.scrollTop;
el = el.offsetPare...
Change string color with NSAttributedString?
...
Thanks Anoop, but no luck for me. -[__NSCFString _ui_synthesizeAttributedSubstringFromRange:usingDefaultAttributes:]: unrecognized selector sent to instance 0x1f845af0 2013-01-11 16:27:34.939 yellaProto[7829:907] *** Terminating app due to uncaught exception 'N...
Passing Data between View Controllers
...A)
// in ContollerA.m
- (void)viewDidLoad {
[super viewDidLoad];
__unsafe_unretained typeof(self) weakSelf = self;
self.selectedVoucherBlock = ^(NSString *voucher) {
weakSelf->someLabel.text = voucher;
};
}
Go to Controller B
UIStoryboard *storyboard = [UIStoryboard s...
Binding a Button's visibility to a bool value in ViewModel
...converter:
<ValueConversion(GetType(Boolean), GetType(Visibility))> _
Public Class BoolToVisibilityConverter
Implements IValueConverter
Public Function Convert(ByVal value As Object, ByVal targetType As System.Type, ByVal parameter As Object, ByVal culture As System.Globalization.Cul...
Mongoose: Get full list of users
...
Well, if you really want to return a mapping from _id to user, you could always do:
server.get('/usersList', function(req, res) {
User.find({}, function(err, users) {
var userMap = {};
users.forEach(function(user) {
userMap[user._id] = user;
});
re...
No mapping found for field in order to sort on in ElasticSearch
...
After digging more, I found the solution as given below. ignore_unmapped should be explicitly set to true in the sort clause.
"sort" : [
{ "rating": {"order" : "desc" , "ignore_unmapped" : true} },
{ "price": {"order" : "asc" , "missing" : "_last" , "ignore_unmapped" : tru...
How do you round a float to two decimal places in jruby
...wered Feb 28 '13 at 9:29
boulder_rubyboulder_ruby
31.7k66 gold badges6363 silver badges8888 bronze badges
...
Django FileField with upload_to determined at runtime
...ng to set up my uploads so that if user joe uploads a file it goes to MEDIA_ROOT/joe as opposed to having everyone's files go to MEDIA_ROOT. The problem is I don't know how to define this in the model. Here is how it currently looks:
...
nginx server_name wildcard or catch-all
...
Change listen option to this in your catch-all server block. (Add default_server) this will take all your non-defined connections (on the specified port).
listen 80 default_server;
if you want to push everything to index.php if the file or folder does not exist;
try_files ...
Email Address Validation in Android on EditText [duplicate]
... target) {
return (!TextUtils.isEmpty(target) && Patterns.EMAIL_ADDRESS.matcher(target).matches());
}
Kotlin:
fun CharSequence?.isValidEmail() = !isNullOrEmpty() && Patterns.EMAIL_ADDRESS.matcher(this).matches()
Edit: It will work On Android 2.2+ onwards !!
Edit: Added miss...