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How can I list all collections in the MongoDB shell?
...$ mongo prodmongo/app --eval "show collections"
MongoDB shell version: 3.2.10
connecting to: prodmongo/app
2016-10-26T19:34:34.886-0400 E QUERY [thread1] SyntaxError: missing ; before statement @(shell eval):1:5
$ mongo prodmongo/app --eval "db.getCollectionNames()"
MongoDB shell version: 3.2.10...
How to format strings using printf() to get equal length in the output?
...3
PP.PP.
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Should Github be used as a CDN for javascript libraries? [closed]
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Dave WardDave Ward
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AttributeError: 'module' object has no attribute 'tests'
...t message.
– AdamC
Jan 25 '16 at 22:10
1
This can also be done from the command line, eliminating...
Mongoose, Select a specific field with find
...(err, blog_items){..
– Starwave
Oct 10 '15 at 18:37
1
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What are the differences among grep, awk & sed? [duplicate]
...Compute sum/average/max/min/etc. what ever you may need.
$ cat file.txt
A 10
B 20
C 60
$ awk 'BEGIN {sum=0; count=0; OFS="\t"} {sum+=$2; count++} END {print "Average:", sum/count}' file.txt
Average: 30
I recommend that you read this book: Sed & Awk: 2nd Ed.
It will help you become a profi...
Reopen last closed tab in Visual Studio
...remove.
– user1306322
Aug 20 '18 at 10:24
2
2017 extension marketplace.visualstudio.com/… which...
Flags to enable thorough and verbose g++ warnings
...e the
list). Turning it on in my code generated a huge amount of warnings
(100+). Almost all of them were innocent. However, I have been
careful to use signed integers wherever I wasn't sure, although for
my particular problem domain, I would usually get a slight efficiency
increase using unsigned v...
How does the ARM architecture differ from x86? [closed]
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answered Feb 10 '13 at 7:05
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