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Grepping a huge file (80GB) any way to speed it up?
...fix your grep command with LC_ALL=C to use the C locale instead of UTF-8.
2) Use fgrep because you're searching for a fixed string, not a regular expression.
3) Remove the -i option, if you don't need it.
So your command becomes:
LC_ALL=C fgrep -A 5 -B 5 'db_pd.Clients' eightygigsfile.sql
It w...
No @XmlRootElement generated by JAXB
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266
To tie together what others have already stated or hinted at, the rules by which JAXB XJC deci...
How to clear MemoryCache?
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62
Dispose the existing MemoryCache and create a new MemoryCache object.
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jQuery Multiple ID selectors
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231
Try this:
$("#upload_link,#upload_link2,#upload_link3").each(function(){
$(this).upload({...
How to store a dataframe using Pandas
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12 Answers
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How to exit from PostgreSQL command line utility: psql
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2566
Type \q and then press ENTER to quit psql.
UPDATE: 19-OCT-2018
As of PostgreSQL 11, the key...
How to tell if node.js is installed or not
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200
Open a terminal window.
Type:
node -v
This will display your nodejs version.
Navigate to w...
Best way to define private methods for a class in Objective-C
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What are bitwise operators?
...hifting is useful in several cases.
x << y
is the same as
x * 2y
if you need to quickly multiply by a power of two, but watch out for shifting a 1-bit into the top bit - this makes the number negative unless it's unsigned. It's also useful when dealing with different sizes of data. ...