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How to only find files in a given directory, and ignore subdirectories using bash
...nt to find out where symlinks point to, you can do for x in /dev/abc-*; do readlink -f $x; done
– Mark Longair
Oct 10 '11 at 16:28
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Use email address as primary key?
... a trivial issue, except to the extent that the record now takes longer to read. See #1.)
An email address could change, which forces all records using this as a foreign key to be updated. As email address don't change all that often, the performance problem is probably minor. The bigger problem is ...
what is the right way to treat Python argparse.Namespace() as a dictionary?
.../library/functions.html#vars While there are some special cases that have read-only dictionaries (such as locals and class dictionary proxies), the rest of the cases are updateable. The vars(obj) call is synonymous with obj.__dict__. In the case of an argparse namespace, vars(args) gives direct a...
Changing the size of a column referenced by a schema-bound view in SQL Server
...answer and up-vote it to say "thanks" without spotting (as I did not until reading your comment) that the question is more subtle than the question's title suggests.
– dumbledad
Aug 17 '15 at 15:23
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How do I use raw_input in Python 3
...3.1 and can't get the raw_input to "freeze" the dos pop-up. The book I'm reading is for Python 2.5 and I'm using Python 3.1
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Is there a way to stop Google Analytics counting development work as hits?
...bably see some of those pages a hundred times a day it will really skew my readings. Is there a way to turn it off from a particular IP address or is this something that should be built into my build process so it only gets added when I build for deployment?
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How to use QueryPerformanceCounter?
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This answer's badly flawed. QueryPerformanceCounter reads a core specific cycle counter register, and if the thread of execution has been rescheduled on another core, two measurements from QueryPerformanceCounter incorporate not only elapsed time, but often a fixed, large and ...
C# code to validate email address
...ons, so the original version was returning false positives.
--- Further reading ---
Documentation for System.Net.Mail.MailAddress
Explanation of what makes up a valid email address
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impr...
Renaming branches remotely in Git
...system. The only caveat we encounter is if refs/heads/<new_name> already exists. The delete still succeeds, resulting in <remote>/<old_name> only being deleted. Some checking before hand can easily avoid this.
– Apeiron
Apr 26 '17 at 23:16...
How to evaluate a math expression given in string form?
...you might want to expand it with:
Variables:
The bit of the parser that reads the names for functions can easily be changed to handle custom variables too, by looking up names in a variable table passed to the eval method, such as a Map<String,Double> variables.
Separate compilation and eva...