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How to “test” NoneType in python?
...ariable has None in it or not.
Quoting from is docs,
The operators is and is not test for object identity: x is y is true if and only if x and y are the same object. x is not y yields the inverse truth value.
Since there can be only one instance of None, is would be the preferred way to check...
What is the best way to create constants in Objective-C
...the files. Is it a good way of doing things? Also, I've done my research and found several methods to create constants, but I don't know which one to use:
...
Setting dynamic scope variables in AngularJs - scope.
...ng I have gotten from a routeParam or a directive attribute or whatever, and I want to create a variable on the scope based on this. So:
...
Counter increment in Bash loop not working
I have the following simple script where I am running a loop and want to maintain a COUNTER . I am unable to figure out why the counter is not updating. Is it due to subshell thats getting created? How can I potentially fix this?
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Creating a new dictionary in Python
...
Is there any difference between dict() and {}? Or do people just prefer one over the other?
– Matt
Mar 2 '12 at 17:13
53
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Full Screen DialogFragment in Android
....layout.fragment_dialog, container, false);
return v;
}
}
}
and the layouts:
fragment_dialog.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout...
What are conventions for filenames in Go?
...re ignored by the go tool
Files with the suffix _test.go are only compiled and run by the go test tool.
Files with os and architecture specific suffixes automatically follow those same constraints, e.g. name_linux.go will only build on linux, name_amd64.go will only build on amd64. This is the same ...
How can I set the Secure flag on an ASP.NET Session Cookie?
... an ASP.NET Session Cookie, so that it will only be transmitted over HTTPS and never over plain HTTP?
5 Answers
...
How to count lines in a document?
I have lines like these, and I want to know how many lines I actually have...
24 Answers
...
show all tags in git log
...
(it is about a corner case, but quite instructive about tags in general, and it comes from another SO contributor Jakub Narębski):
Please note that the name of tag (heavyweight tag, i.e. tag object)
is stored in two places:
in the tag object itself as a contents of 'tag' header (y...