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Why do I get AttributeError: 'NoneType' object has no attribute 'something'?
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You have a variable that is equal to None and you're attempting to access an attribute of it called 'something'.
foo = None
foo.something = 1
or
foo = None
print(foo.something)
Both will yield an AttributeError: 'NoneType'
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What is the use of the %n format specifier in C?
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@AndrewS: Because the function will modify the value of the variable.
– Jack
Jun 20 '14 at 0:31
3
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Can I use assert on Android devices?
I want to use the Assert keyword in my android apps to destroy my app in some cases on the emulator, or my device during testing. Is this possible?
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Find unmerged Git branches?
I have a Git repository with many branches, some of them already merged and some not. Since the number of branches is quite large, how can I determine which branches have not yet been merged? I would like to avoid having to do an "octopus" merge and re-merging branches that have already been merged....
Should I use `import os.path` or `import os`?
...lly a submodule of a package called os, I import it sort of like it is one and I always do import os.path. This is consistent with how os.path is documented.
Incidentally, this sort of structure leads to a lot of Python programmers' early confusion about modules and packages and code organization...
Is “IF” expensive?
...can't, for the life of me, remember what exactly our teacher said that day and I'm hoping you would probably know.
16 Answe...
IIS Express Windows Authentication
...ption-1:
edit \My Documents\IISExpress\config\applicationhost.config file and enable windowsAuthentication, i.e:
<system.webServer>
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<security>
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<authentication>
<windowsAuthentication enabled="true" />
</authentication>
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</security>
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What's the difference between ng-model and ng-bind
I'm currently learning AngularJS and am having difficulty understanding the difference between ng-bind and ng-model .
8 ...
Why is MySQL's default collation latin1_swedish_ci?
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He is Finnish , but Finnish and Swedish share almost the same special characters ,so they share the same case insensitive collation
– kommradHomer
Feb 26 '14 at 10:47
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When to use setAttribute vs .attribute= in JavaScript?
...mode link below) if you want programmatic access in JavaScript. It should handle the different types of attributes (think "onload") correctly.
Use getAttribute/setAttribute when you wish to deal with the DOM as it is (e.g. literal text only). Different browsers confuse the two. See Quirks modes: at...