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Concatenate two string literals
...is converted into a pointer to its initial element.
So, when you try to do "Hello" + ",world", what you're really trying to do is add two const char*s together, which isn't possible (what would it mean to add two pointers together?) and if it was it wouldn't do what you wanted it to do.
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How to elegantly ignore some return values of a MATLAB function?
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to the downvoter: Why the -1? This answer was written before R2009b was even released, so @ManWithSleeve's answer wouldn't have worked at the time. Now, of course, that's the right approach.
– Jason S
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NumPy or Pandas: Keeping array type as integer while having a NaN value
... to pandas (beginning with version 0.24):
https://pandas.pydata.org/pandas-docs/version/0.24/whatsnew/v0.24.0.html#optional-integer-na-support
At this point, it requires the use of extension dtype Int64 (capitalized), rather than the default dtype int64 (lowercase).
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How to call shell commands from Ruby
How do I call shell commands from inside of a Ruby program? How do I then get output from these commands back into Ruby?
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Two color borders
Client wants two color borders for an embossed look. Can I do this on one element? I was hoping to avoid stacking two DOM elements with individual borders.
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Looping through array and removing items, without breaking for loop
...check if it's undefined, but I feel there's probably a more elegant way to do this. The desire is to simply delete an item and keep on going.
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Git: Permission denied (publickey) fatal - Could not read from remote repository. while cloning Git
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It looks like a permissions issue - not a Windows 7 issue.
Your ssh key is not authorised - Permission denied (publickey).
You need to create a public ssh key and ask the administrator of the Git repository to add the ssh public key
Information on how to do this: S...
Remove an entire column from a data.frame in R
Does anyone know how to remove an entire column from a data.frame in R? For example if I am given this data.frame:
6 Answer...
Using openssl to get the certificate from a server
...hat command. I noticed my Openssl version is 'OpenSSL 0.9.8g 19 Oct 2007'. Do you have any ideas?
– nasty pasty
Oct 26 '11 at 2:07
40
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What happens if you call erase() on a map element while iterating from begin to end?
...needs to be erased. Is it safe to erase the element and keep iterating or do I need to collect the keys in another container and do a second loop to call the erase()?
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