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How do I create delegates in Objective-C?
I know how delegates work, and I know how I can use them.
19 Answers
19
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How to get rid of the 'undeclared selector' warning
...rty if the NSObject instance it's called on supports it. This is the code, and the code works as intended:
12 Answers
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matplotlib colorbar for scatter
...appable object, like the CircleCollection that plt.scatter() returns.
vmin and vmax can then control the limits of your colorbar. Things outside vmin/vmax get the colors of the endpoints.
How does this work for you?
import matplotlib.pyplot as plt
cm = plt.cm.get_cmap('RdYlBu')
xy = range(20)
z =...
Force Git to always choose the newer version during a merge?
Let's assume I merge git and there is a merge conflict.
2 Answers
2
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Responsive css background images
I have a website (g-floors.eu) and I want to make the background (in css I have defined a bg-image for the content) also responsive. Unfortunately I really don't have any idea on how to do this except for one thing that I can think of but it's quite a workaround. Creating multiple images and then us...
What does the “-U” option stand for in pip install -U
Despite a ton of Googling, I can't find any docs for pip's command line options/arguments. What does pip install -U mean? Does anyone have a link to a list of pip's options and arguments?
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grep using a character vector with multiple patterns
... test whether a vector of strings are present in an another vector or not, and to output the values that are present (the matching patterns).
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TypeScript: Creating an empty typed container array
... In the vast majority of cases the mentioned downsides would be negligible and readability is the most important factor.
*: Fun fact; at the time of writing the performance difference was 60% in Chrome, while in Firefox there was no measurable performance difference.
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.gitignore exclude files in directory but not certain directories
... following contents:
*
!.gitignore
Then, you can add those directories, and only the .gitignore file in each directory will get added -- but this means the directories will now be tracked (i.e., created when cloning).
sha...
How do I compare strings in Java?
....
However, I ran into a bug, changed one of them into .equals() instead, and it fixed the bug.
23 Answers
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