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Can I run multiple programs in a Docker container?
I'm trying to wrap my head around Docker from the point of deploying an application which is intended to run on the users on desktop. My application is simply a flask web application and mongo database. Normally I would install both in a VM and, forward a host port to the guest web app. I'd like to ...
Error handling with node.js streams
...l you have to do is :
include the stream module
instantiate ( or inherit from) the Transform class
implement a _transform method which takes a (chunk, encoding, callback).
The chunk is your data. Most of the time you won't need to worry about encoding if you are working in objectMode = true. T...
CSS technique for a horizontal line with words in the middle
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Get the text indented from the left by using "text-align:left; text-indent:40px;" in the h2 style.
– Matt__C
Mar 27 '13 at 21:04
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Can you 'exit' a loop in PHP?
... to the exact same source I supplied (which is where the sample code comes from at the very top). You basically did the same thing as I did, but made it so the OP won't see the sample until after he clicks the link.
– TheTXI
Feb 26 '09 at 2:58
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Getting the last argument passed to a shell script
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@mcoolive: it even works in the unix v7 bourne shell from 1979. you can't get more portable if it runs on both v7 sh and POSIX sh :)
– Dominik R
Nov 22 '19 at 10:41
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How to handle floats and decimal separators with html5 input type number
...f. I can turn off or customize the error message, but retrieving the value from the input is always a crapshoot. Any ideas?
– Nick G.
Sep 10 '14 at 22:20
5
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Does Typescript support the ?. operator? (And, what's it called?)
...rator (specifically, the "accessor variant" of the existential operator).
From CoffeeScript's documentation on Operators:
The accessor variant of the existential operator ?. can be used to soak up null references in a chain of properties. Use it instead of the dot accessor . in cases where the ...
What do hjust and vjust do when making a plot using ggplot?
...the case of angle=45, when I have axis labels of varying length, let's say from 25 to 5 characters, they're neither aligned justified to the right or the left of the word boundaries. Take a look at the axes here If I were to use angle=45, how would I make them right-justified and flush against the a...
What is the best way to do a substring in a batch file?
...ing the :~start,length notation:
%var:~10,5%
will extract 5 characters from position 10 in the environment variable %var%.
NOTE: The index of the strings is zero based, so the first character is at position 0, the second at 1, etc.
To get substrings of argument variables such as %0, %1, etc. y...
What is the difference between save and insert in Mongo DB?
...orms an update, replacing all field in the existing record with the fields from the document.
Save vs Update :
update modifies an existing document matched with your query params. If there is no such matching document, that's when upsert comes in picture.
upsert : false : Nothing happens when no ...