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UIDevice uniqueIdentifier deprecated - What to do now?
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A UUID created by CFUUIDCreate is unique if a user uninstalls and re-installs the app: you will get a new one each time.
But you might want it to be not unique, i. e. it should stay the same when the user uninstalls and re-installs the app. This requires a bit of effort, since the...
phpinfo() - is there an easy way for seeing it?
...ow, but you can't see the phpinfo(); contents without making the function call. Obviously, the best approach would be to have a phpinfo script in the root of your web server directory, that way you have access to it at all times via http://localhost/info.php or something similar (NOTE: don't do this...
What does `kill -0 $pid` in a shell script do?
Basically, what signal does '0' represent, because here I see SIGNAL numbers starting from 1.
6 Answers
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Java: Why is the Date constructor deprecated, and what do I use instead?
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The java.util.Date class isn't actually deprecated, just that constructor, along with a couple other constructors/methods are deprecated. It was deprecated because that sort of usage doesn't work well with internationalization. The Calendar class should be use...
How to select only the records with the highest date in LINQ
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@JasonL, no. The First() call should apply to the g.Order... expression (subquery).
– Mehrdad Afshari
Aug 29 '13 at 8:04
1
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How do I stop a web page from scrolling to the top when a link is clicked that triggers JavaScript?
...rring.
There are two ways to do this.
Option 1: event.preventDefault()
Call the .preventDefault() method of the event object passed to your handler. If you're using jQuery to bind your handlers, that event will be an instance of jQuery.Event and it will be the jQuery version of .preventDefault()....
Resolve conflicts using remote changes when pulling from Git remote
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If you truly want to discard the commits you've made locally, i.e. never have them in the history again, you're not asking how to pull - pull means merge, and you don't need to merge. All you need do is this:
# fetch from the default remote, origin
git fetch
# reset your current ...
Error in : object of type 'closure' is not subsettable
I was finally able to work out the code for my scraping . It seemed to be working fine and then all of a sudden when I ran it again, I got the following error message:
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Use ASP.NET MVC validation with jquery ajax?
...est;
}
}
}
What this does is return a JSON object specifying all of your model errors.
Example response would be
[{
"key":"Name",
"errors":["The Name field is required."]
},
{
"key":"Description",
"errors":["The Description field is required."]
}]
This would be retu...
Using Linq to get the last N elements of a collection?
...ility across several LINQ providers.
It is important to take care not to call Skip with a negative number. Some providers, such as the Entity Framework, will produce an ArgumentException when presented with a negative argument. The call to Math.Max avoids this neatly.
The class below has all of th...