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Disabled UIButton not faded or grey
...utton which I have created in Interface Builder. I can successfully enable and disable it like this in my code ...
19 Answe...
ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
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I had this issue and the fix was to make sure in tnsnames.ora the SERVICE_NAME is a valid service name in your database. To find out valid service names, you can use the following query in oracle:
select value from v$parameter where name='se...
How to reference the initial commit?
...pository (even if we discount disconnected branches, such as 'html', 'man' and 'todo' in git.git repository). This is usually result of joining separate projects in one, or using subtree merge of separately developed subproject.
For example git repository has 6 root commits: git-gui, gitk (subtree...
Visual Studio refuses to forget breakpoints?
... window, you can view all breakpoints in the application. Here, you select and clear the breakpoint by clicking the Delete button from the toolbar on the Breakpoints pane.
– jams
May 12 '11 at 20:50
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The type or namespace name 'Objects' does not exist in the namespace 'System.Data'
I am using entities, C# and SQL Server to create an n-tier app. I am creating some base classes common to all my DAL components. In this base class, i want to handle the connection state of the ObjectContext base class inherited by entities object.
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How to store standard error in a variable
... the error file thus:
ERROR=$(</tmp/Error)
The shell recognizes this and doesn't have to run 'cat' to get the data.
The bigger question is hard. I don't think there's an easy way to do it. You'd have to build the entire pipeline into the sub-shell, eventually sending its final standard outp...
twitter bootstrap navbar fixed top overlapping site
I am using bootstrap on my site and am having issues with the navbar fixed top. When I am just using the regular navbar, everything is fine. However, when i try to switch it to navbar fixed top, all the other content on the site shifts up like the navbar isn't there and the navbar overlaps it. here'...
Is there a way for multiple processes to share a listening socket?
In socket programming, you create a listening socket and then for each client that connects, you get a normal stream socket that you can use to handle the client's request. The OS manages the queue of incoming connections behind the scenes.
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Execute command without keeping it in history [closed]
I want to execute some commands but don't want to store them in the command history. So that nobody will be able to search it in the .bash_history file.
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What does the 'static' keyword do in a class?
...n the example given, main does not know which instance of the Hello class (and therefore which instance of the Clock class) it should refer to. static members can only refer to static members. Instance members can, of course access static members.
Side note: Of course, static members can access ins...