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Windows recursive grep command-line
...hes pattern if at the end of a line.
/L Uses search strings literally.
/R Uses search strings as regular expressions.
/S Searches for matching files in the current directory and all
subdirectories.
/I Specifies that the search is not to be case-se...
Extract subset of key-value pairs from Python dictionary object?
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If you're using Python 3, and you only want keys in the new dict that actually exist in the original one, you can use the fact to view objects implement some set operations:
{k: bigdict[k] for k in bigdict.keys() & {'l', 'm', 'n'}}
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Should I use Java date and time classes or go with a 3rd party library like Joda Time?
I'm creating a web based system which will be used in countries from all over the world. One type of data which must be stored is dates and times.
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Failed to load resource under Chrome
...sabled (ctrl+shift+n) and see if your page works now. Note that by default all extensions will be already disabled in incognito mode unless you've specifically set them to run (via chrome://extensions).
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Big-O summary for Java Collections Framework implementations? [closed]
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Collections Overview has a nice summary table.
Annotated Outline lists all of the implementations on one page.
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Ruby class instance variable vs. class variable
...n store something common to that class without having sub-classes automatically also get them (and vice-versa). With class variables, you have the convenience of not having to write self.class from an instance object, and (when desirable) you also get automatic sharing throughout the class hierarchy...
Quit and restart a clean R session from within R?
... to be included in R script to restart R session? (the reason being I want all packages to be detached)
– Heisenberg
Oct 19 '14 at 20:04
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Is it possible for a computer to “learn” a regular expression by user-provided examples?
...at most modern "regular expressions" used in programming languages are actually stronger than regular languages, and therefore sometimes harder to learn.
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Fastest Way to Find Distance Between Two Lat/Long Points
I currently have just under a million locations in a mysql database all with longitude and latitude information.
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Can you have multiple $(document).ready(function(){ … }); sections?
If I have a lot of functions on startup do they all have to be under one single:
11 Answers
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