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How do I remove a property from a JavaScript object?
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console.log(myObject);
For anyone interested in reading more about it, Stack Overflow user kangax has written an incredibly in-depth blog post about the delete statement on their blog, Understanding delete. It is highly recommended.
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How do I preview emails in Rails?
...n Rails, is there a particularly easy built-in way to preview the template it in the browser or do I need to write some sort of custom controller that pulls it in as its view?
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Repository Pattern Step by Step Explanation [closed]
Can someone please explain to me the Repository Pattern in .NET, step by step giving a very simple example or demo.
2 Answe...
How to define “type disjunction” (union types)?
One way that has been suggested to deal with double definitions of overloaded methods is to replace overloading with pattern matching:
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Simulate low network connectivity for Android [closed]
I would like to test my application for cases of low network connectivity. Except standing in the elevator, what is the best way to do this? I've tried wrapping my phone in an aluminum foil, but it didn't help much.
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How to tell if a file is git tracked (by shell exit code)?
Is there a way to tell if a file is being tracked by running some git command and checking its exit code?
8 Answers
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What does enumerate() mean?
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The enumerate() function adds a counter to an iterable.
So for each element in cursor, a tuple is produced with (counter, element); the for loop binds that to row_number and row, respectively.
Demo:
>>> elements = ('foo', 'bar', 'baz')
>>> for elem i...
PUT vs. POST in REST
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Some considerations:
Do you name your URL objects you create explicitly, or let the server decide? If you name them then use PUT. If you let the server decide then use POST.
PUT is idempotent, so if you PUT an object twice, it has no effect. This is a nice property, so I would use PUT when...
How to check if a String is numeric in Java
How would you check if a String was a number before parsing it?
39 Answers
39
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capturing self strongly in this block is likely to lead to a retain cycle
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The capture of self here is coming in with your implicit property access of self.timerDisp - you can't refer to self or properties on self from within a block that will be strongly retained by self.
You can get around this by creating a weak reference to self bef...