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Delete keychain items when an app is uninstalled
...tandardUserDefaults] objectForKey:@"FirstRun"]) {
// Delete values from keychain here
[[NSUserDefaults standardUserDefaults] setValue:@"1strun" forKey:@"FirstRun"];
[[NSUserDefaults standardUserDefaults] synchronize];
}
//...Other stuff that usually happens in didFin...
Redirect From Action Filter Attribute
...y on its base controller) that simply calls the protected RedirectToAction from System.Web.Mvc.Controller. Adding this method allows for a public call to your RedirectToAction from the filter.
public new RedirectToRouteResult RedirectToAction(string action, string controller)
{
return base.Red...
Git submodule update
I'm not clear on what the following means (from the Git submodule update documentation):
4 Answers
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ViewModel Best Practices
From this question , it looks like it makes sense to have a controller create a ViewModel that more accurately reflects the model that the view is trying to display, but I'm curious about some of the conventions (I'm new to the MVC pattern, if it wasn't already obvious).
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Generate a random point within a circle (uniformly)
...es simply by picking an angle theta. So we now need to generate a distance from the center by picking a point in the sliver ABC. Again, extend to ABCD, where D is now twice the radius from the circle center.
Picking a random point in ABCD is easy using the above method. Pick a random point on AB. U...
Git submodule head 'reference is not a tree' error
...lid commit: the submodule commit remained local and when I try to fetch it from another repo I get:
13 Answers
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How to get Erlang's release version number from a shell?
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From the docs for erlang:system_info: As from OTP 17, the OTP release number corresponds to the major OTP version number. No erlang:system_info() argument gives the exact OTP version. See my answer below for an even uglier co...
Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers
...; data
array([[5.8, 2.8],
[6. , 2.2]])
# Creating pandas dataframe from numpy array
>>> dataset = pd.DataFrame({'Column1': data[:, 0], 'Column2': data[:, 1]})
>>> print(dataset)
Column1 Column2
0 5.8 2.8
1 6.0 2.2
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Getting Spring Application Context
...irkby Using the singleton pattern means instanciating your container class from a static method within your container class... once you "manually" instanciate an object it is not managed by Spring anymore : how did you tackle this problem ?
– Antonin
Oct 16 '17...
renamed heroku app from website, now it's not found
After renaming my heroku app from the heroku website, whenever I cd to its directory in a terminal and run any heroku command, I get App not found . Does anybody know of a way to remedy this?
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