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Regex - how to match everything except a particular pattern
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He failed mention it in the question, but the OP is actually using the DOS findstr command. It affords only a tiny subset of the capabilities you expect to find in a regex tool; lookahead is not among them. (I just added the findstr tag myself.)
– Alan Moor...
MySQL order by before group by
...rect author and post is returned every time.
As a side note, while MySQL allows you to use an ORDER BY in a subquery and allows you to apply a GROUP BY to not every column in the SELECT list this behavior is not allowed in other databases including SQL Server.
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How to ignore the first line of data when processing CSV data?
...on to skip over the first row only when necessary:
import csv
with open('all16.csv', 'r', newline='') as file:
has_header = csv.Sniffer().has_header(file.read(1024))
file.seek(0) # Rewind.
reader = csv.reader(file)
if has_header:
next(reader) # Skip header row.
column...
How do I remove packages installed with Python's easy_install?
Python's easy_install makes installing new packages extremely convenient. However, as far as I can tell, it doesn't implement the other common features of a dependency manager - listing and removing installed packages.
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Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
...ndex (a.k.a. tag/TAGS) file of language objects found in source files that allows these items to be quickly and easily located by a text editor or other utility. A tag signifies a language object for which an index entry is available (or, alternatively, the index entry created for that object). The ...
What does `node --harmony` do?
...aps, andweak maps))
type: bool default: false
--harmony (enable all harmony features (except typeof))
type: bool default: false
So --harmony is a shortcut to enable all the harmony features (e.g. --harmony_scoping, --harmony_proxies, etc.) From this blog post, it seems harmony e...
What's the best way to put a c-struct in an NSArray?
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@Joe Blow @Catfish_Man It actually copies the structure p, not a pointer to it. The @encode directive provides all the information necessary about how big the structure is. When you release the NSValue (or when the array does), its copy of the structure i...
Resync git repo with new .gitignore file
... in ".gitignore file not ignoring" is a bit extreme, but should work:
# rm all files
git rm -r --cached .
# add all files as per new .gitignore
git add .
# now, commit for new .gitignore to apply
git commit -m ".gitignore is now working"
(make sure to commit first your changes you want to keep, to ...
Are there any Java method ordering conventions? [closed]
...er them in a sensible way. Is there a standard way of doing this? E.g. normally fields are listed before methods, the constructor(s) are listed before other methods, and getters/setters last; what about the remaining methods?
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Shortest way to print current year in a website
...n the footer. I want to replace it with some JavaScript that will automatically update each year.
10 Answers
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