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How do I find out which DOM element has the focus?
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Any access to document.activeElement should be wrapped in a try catch as under some circumstances it can throw an exception (not just IE9 AFAIK). See bugs.jquery.com/ticket/13393 and bugs.jqueryui.com/ticket/8443
– robocat
Jul 2 '13 at...
A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception pro
...hen the task is collected by the garbage collector, it will tear down your application during finalization. For details, see MSDN's page on Exception Handling in the TPL.
The best option here is to "handle" the exception. This can be done via a continuation - you can attach a continuation to the ...
Unicode, UTF, ASCII, ANSI format differences
...gate pairs. These used to be relatively rarely used, but now many consumer applications will need to be aware of non-BMP characters in order to support emojis.
UTF-8: Variable length encoding, 1-4 bytes per code point. ASCII values are encoded as ASCII using 1 byte.
UTF-7: Usually used for mail enco...
Check for column name in a SqlDataReader object
... is RELATIVELY expensive to other operators, but negligible in a connected application. Skeet measured 40-118 exceptions per ms depending on stack depth all the way back in 2006. stackoverflow.com/a/891230/852208. Further without testing, it's possible that this code is actually slower with it's ...
How can I drop all the tables in a PostgreSQL database?
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If all of your tables are in a single schema, this approach could work (below code assumes that the name of your schema is public)
DROP SCHEMA public CASCADE;
CREATE SCHEMA public;
If you are using PostgreSQL 9.3 or greater, you may also need to restore the default grants....
What is a servicebus and when do I need one?
...OSI stack for Ethernet. With the bus, this is the client libraries used by application code.
Ultimately, you can view a service bus as providing the next higher level of abstraction for building distributed systems. You can use it also for client-server communication to give you durable one-way mes...
What's the optimum way of storing an NSDate in NSUserDefaults?
...hua, thanks for your answer. The reason I tried the silly convoluted float approach was simply because I'd seen another great developer do it and I thought he'd done it for some good reason. Obviously not. I should have more confidence in my own instinct, which was to use setObject:forKey: and have ...
How do I set up a simple delegate to communicate between two view controllers?
...he parent view controller's implementation, implement the delegate methods appropriately.
RootViewController.m
#import "RootViewController.h"
@implementation RootViewController
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
ChildViewController *...
Disable developer mode extensions pop up in Chrome
...p 7
Click OK and restart Chrome.
That's it!
EDIT: As of July 2018, this approach no longer works: it seems Google has stopped honouring the "whitelist".
EDIT 2: As of December 2018, this approach works in Chrome Version 69.0.3497.100 (Official Build) (64-bit):
Temporarily enable Developer mode...
Why does Chrome incorrectly determine page is in a different language and offer to translate?
...rome auto-translation feature is tripping up on one page within one of our applications. Whenever we navigate to this particular page, Chrome tells us the page is in Danish and offers to translate. The page is in English, just like every other page in our app. This particular page is an internal ...