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Is it possible to figure out the parameter type and return type of a lambda?
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I think, it is a good start. +1 for that. Now we need to work on function type to extract the required information. (I don't want to use Boost as of now, as I want to learn the stuffs).
– Nawaz
Oct 30 '11 at 7:22
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How to remove a field from params[:something]
...hash from scratch. This is why @Gaul said it is a bad idea. In Rails 5 you now have params.except method and also extract!
– rmcsharry
Sep 26 '16 at 21:05
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How do you maintain development code and production code? [closed]
...might actually begin before to first release into production (meaning you know you will go into production with some bugs you can not fix in time, but you can initiate work for those bugs in a separate branch)
the other patch branches will have the luxury to start from a well-defined production labe...
Is it good practice to make the constructor throw an exception? [duplicate]
...or example I have a class Person and I have age as its only attribute. Now
I provide the class as
8 Answers
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Strange out of memory issue while loading an image to a Bitmap object
...ts within the available memory.
Load a scaled down version into Memory
Now that the image dimensions are known, they can be used to decide if the full image should be loaded into memory or if a subsampled version should be loaded instead. Here are some factors to consider:
Estimated memory usa...
Replacing H1 text with a logo image: best method for SEO and accessibility?
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Unfortunately the link in the comment left by @troynt is now broken. Here's a new permalink to the content: youtu.be/fBLvn_WkDJ4
– ahsteele
Mar 4 '13 at 18:46
10
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What is __main__.py?
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@brk: That doesn't seem to be the case now. I just tried python3 program_dir and it ran __init__.py.
– mk12
Jan 3 '19 at 2:09
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Progress indicator during pandas operations
...with `pandas`
# (can use tqdm_gui, optional kwargs, etc.)
tqdm.pandas()
# Now you can use `progress_apply` instead of `apply`
df.groupby(0).progress_apply(lambda x: x**2)
In case you're interested in how this works (and how to modify it for your own callbacks), see the examples on github, the full...
Most efficient way of making an if-elif-elif-else statement when the else is done the most?
...dictionary :
options = {'this': doThis,'that' :doThat, 'there':doThere}
Now use just:
options.get(something, doThisMostOfTheTime)()
If something is not found in the options dict then dict.get will return the default value doThisMostOfTheTime
Some timing comparisons:
Script:
from random imp...
Getting an element from a Set
...act, the whole object 'revolves' around said key. Furthermore, the caller knows said String, but not the object itself; that's exactly why it wants to retrieve it by key. I'm using a Map now of course, but it remains odd behaviour.
– pauluss86
Jan 16 '14 at 19:...