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Always pass weak reference of self into block in ARC?
I am a little confused about block usage in Objective-C. I currently use ARC and I have quite a lot of blocks in my app, currently always referring to self instead of its weak reference. May that be the cause of these blocks retaining self and keeping it from being dealloced ? The question is, s...
Changing all files' extensions in a folder with one command on Windows
How can I use the Windows command line to change the extensions of thousands of files to *****.jpg ?
11 Answers
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Start an Activity with a parameter
I'm very new on Android development.
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How can I use an array of function pointers?
How should I use array of function pointers in C?
10 Answers
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In Functional Programming, what is a functor?
I've come across the term 'Functor' a few times while reading various articles on functional programming, but the authors typically assume the reader already understands the term. Looking around on the web has provided either excessively technical descriptions (see the Wikipedia article ) or incred...
How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
How can I transform between the two styles of public key format,
one format is:
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Python != operation vs “is not”
In a comment on this question , I saw a statement that recommended using
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What is the “->” PHP operator called and how do you say it when reading code out loud? [closed]
What do you call this arrow looking -> operator found in PHP?
16 Answers
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Simpler way to put PDB breakpoints in Python code?
Just a convenience question. I've been a bit spoiled with debuggers in IDEs like Visual Studio and XCode. I find it a bit clumsy to have to type import pdb; pdb.set_trace() to set a breakpoint (I'd rather not import pdb at the top of the file as I might forget and leave it in).
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What are the differences between numpy arrays and matrices? Which one should I use?
What are the advantages and disadvantages of each?
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