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How to check programmatically if an application is installed or not in Android?
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If you know the package name, then this works without using a try-catch block or iterating through a bunch of packages:
public static boolean isPackageInstalled(Context context, String packageName) {
final PackageManager packageManager = context.getPackageManager();
Intent intent = packa...
ActiveModel::ForbiddenAttributesError when creating new user
...dmin don't forget that there is also a permit_params in the model register block:
ActiveAdmin.register Api::V1::Person do
permit_params :name, :address, :etc
end
These need to be set along with those in the controller:
def api_v1_person_params
params.require(:api_v1_person).permit(:name, :ad...
Django gives Bad Request (400) when DEBUG = False
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I think ALLOWED_HOSTS blocks the entire host. USE_X_FORWARDED_HOST only determines if an HTTP header is used.
– Keith
Nov 7 '17 at 19:52
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Where can I find the “clamp” function in .NET?
... If you're going for readability, double ternaries would be avoided and IF blocks would be used instead. 2) You don't get the joke, do you? xD
– XenoRo
May 11 '18 at 20:55
add...
Cannot import XSSF in Apache POI
...n(sheet);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e){
e.printStackTrace();
}
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ASP.NET: HTTP Error 500.19 – Internal Server Error 0x8007000d
...fig files worked fine, I just diffed them and started chopping away at new blocks until I got the page to start loading. Had I seen this as an answer I would have gone this route immediately as I knew none of the popular solutions were relevant. So there you go :)
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How to clear a chart from a canvas so that hover events cannot be triggered?
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Could you show an example? I have tried to use blocking multiple times and it never works. I always receive an error that the method does not exist.
– Ben Hoffman
Jul 28 '16 at 19:01
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Difference between := and = operators in Go
...to foo.
★ 6th Rule:
You can declare the same name in short statement blocks like: if, for, switch:
foo := 42
if foo := someFunc(); foo == 314 {
// foo is scoped to 314 here
// ...
}
// foo is still 42 here
Because, foo in if foo := ..., only belongs to that if clause and it's in a diffe...
How to use HttpWebRequest (.NET) asynchronously?
... BeginGetResponse is not that useful for async usage. It seems to block while trying to contact the resource. Try unplugging your network cable or giving it a malformed uri, and then running this code. Instead you probably need to run GetResponse on a second thread you provide.
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Disable individual Python unit tests temporarily
...he docs for 2.1 don't specify an ignore or skip method.
Usually though, I block comment when needed.
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