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NSInvocation for Dummies?
...cess a variable of some object, you are sending it a message. NSInvocation comes in handy when you want to send a message to an object at a different point in time, or send the same message several times. NSInvocation allows you to describe the message you are going to send, and then invoke it (actu...
How to create duplicate allowed attributes
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Microsoft recommends sealing attribute classes whenever possible: msdn.microsoft.com/en-us/library/2ab31zeh.aspx
– Anton Gogolev
Feb 16 '09 at 15:11
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How can I alter a primary key constraint using SQL syntax?
...here to look it up (or look up and drop all at once). http://stackoverflow.com/a/13948609/945875
– Justin
Dec 19 '13 at 20:06
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How to copy directories in OS X 10.7.3?
...ails_projects to my home directory haseebjaved. When I issue the following command: cp -r ~/Desktop/rails_projects haseebjaved , the command effectively copies the three subdirectories from rails_projects to haseebjaved and makes a new folder named haseebjaved in my home directory haseebjaved. What ...
What is the maximum characters for the NVARCHAR(MAX)?
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How to convert a private key to an RSA private key?
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For reference: see stackoverflow.com/q/20065304/53974 for a more complete explanation.
– Blaisorblade
Jul 8 '15 at 12:47
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C# How can I check if a URL exists/is valid?
...no content downloaded
string s1 = client.DownloadString("http://google.com");
// throws 404
string s2 = client.DownloadString("http://google.com/silly");
}
You would try/catch around the DownloadString to check for errors; no error? It exists...
With C# 2.0 (VS2005):
private bool h...
Xcode 4 - “Archive” is greyed out?
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What's the correct way to communicate between controllers in AngularJS?
What's the correct way to communicate between controllers?
19 Answers
19
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How can I get Knockout JS to data-bind on keypress instead of lost-focus?
...O should use to detect changes. The
following string values are the most commonly useful choices:
"change" (default) - updates your view model when the user
moves the focus to a different control, or in the case of
elements, immediately after any change
"keyup" - updates your view...