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Accessing class variables from a list comprehension in the class definition
...y as it is very different from a function scope.
Last, but definitely not least, the linked Naming and binding section in the Execution model documentation mentions class scopes explicitly:
The scope of names defined in a class block is limited to the class block; it does not extend to the code...
Finding out whether a string is numeric or not
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Wouldn't that just tell you whether at least the first character is numeric?
– Tommy
May 22 '11 at 23:11
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Why array implements IList?
...ies, it definitely violates the Tell, Don't Ask principle and Principle of least surprise. Why implement an interface when you're just going to throw exceptions for 4 out of the 9 methods?
– Matthew
Sep 5 '14 at 19:07
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Which is better in python, del or delattr?
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I'm sure there's at least one person out there that would prefer getattr(foo, "bar") over foo.bar. Granted, I wouldn't agree with them. But that one person is still enough to make it not unquestionably the former.
– Jason...
Set a cookie to never expire
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If you want to persist data on the client machine permanently -or at least until browser cache is emptied completely, use Javascript local storage:
https://developer.mozilla.org/en-US/docs/DOM/Storage#localStorage
Do not use session storage, as it will be cleared just like a cookie with a ma...
Concatenating null strings in Java [duplicate]
...n here, making concatenation null-safe. It might violate the principle of least surprise, but they were probably trying to avoid a plethora of either NPEs or explicit null checks inside of logging and diagnostics code (e.g. logger.print("doing something to " + obj);) Nowadays we have better loggin...
Create an instance of a class from a string
...r any other quite common interface. You won't cast it to the class, but at least to something more than an object
– Harald Coppoolse
Dec 8 '14 at 11:08
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Need to ZIP an entire directory using Node.js
...s you have the zip utility installed on your system (it comes with OSX, at least). Some operating systems may not have utility installed (i.e., AWS Lambda runtime doesn't). In that case, you can easily obtain the zip utility binary here and package it along with your application source code (for AWS...
Is there a limit on how much JSON can hold?
... action-method/Controller) does not respect the maxJsonLength property, at least not from the systemWebExtensions.scripting.webServices.jsonSerialization section which you define in the web.config file."
– Casey
Oct 17 '19 at 19:01
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Message 'src refspec master does not match any' when pushing commits in Git
...itial commit' should be double quoted. 'git commit -m "initial commit", at least on windows.
– dance2die
Jun 11 '16 at 13:12
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