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Get the last item in an array
... anArray.pop();
Important : This returns the last element and removes it from the array
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How do I bind a WPF DataGrid to a variable number of columns?
...out binding only to DataGrid. 2. Check e.OldValue for null and unsubscribe from CollectionChanged event to prevent memory leaks. Just for your convince.
– Mike Eshva
Oct 23 '13 at 13:01
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Is Enabling Double Escaping Dangerous?
...m URI's via string concatenation).
To disable the check do the following (from here): (see my comment below for what double escaping entails).
<system.webServer>
<security>
<requestFiltering allowDoubleEscaping="true"/>
</security>
</system.webServer>
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Set transparent background of an imageview on Android
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If you add any number from 01 to 99 before the actual hash code, it will give you the transparency. Eg: Black with more transparency - #10000000 Black with less transparency - #99000000
– AnhSirk Dasarp
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How to overcome TypeError: unhashable type: 'list'
...hich should just be v = list[2] for the third element of the list returned from the call to readline.split(" ").
I noticed several other likely problems with the code, of which I'll mention a few. A big one is you don't want to (re)initialize d with d = {} for each line read in the loop. Another is ...
Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
...cation method works by obtaining the client's
operating system user name from the kernel and using it as the allowed
database user name (with optional user name mapping). This method is
only supported on local connections.
Password authentication
The password-based authentication methods...
How to create a new object instance from a Type
One may not always know the Type of an object at compile-time, but may need to create an instance of the Type .
12 Ans...
How to check if a string is a valid date
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The ambiguity that prevents you from validating the date only does so to the extent that it also prevents you from parsing the date, but you've made a good attempt at parsing it with known information. It would be nice to use some of what you have to try to...
iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
... navigation controller when you present a modal form sheet. See the answer from @miha-hribar below.
– Pascal
Oct 27 '12 at 0:20
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How do I render a partial of a different format in Rails?
...his question, but this filled my need of easily rendering an HTML template from within an RJS one of the same name after hoping that a :format option would work. Thanks!
– ches
Mar 20 '13 at 16:18
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