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Pipe output and capture exit status in Bash
...; it’s an array that holds the exit status of each command in your last foreground pipeline of commands.
<command> | tee out.txt ; test ${PIPESTATUS[0]} -eq 0
Or another alternative which also works with other shells (like zsh) would be to enable pipefail:
set -o pipefail
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The first...
SQL : BETWEEN vs =
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They are identical: BETWEEN is a shorthand for the longer syntax in the question.
Use an alternative longer syntax where BETWEEN doesn't work e.g.
Select EventId,EventName from EventMaster
where EventDate >= '10/15/2009' and EventDate < '10/18/2009'
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Live-stream video from one android phone to another over WiFi
I have searched the internet for days now on how to implement a video streaming feature from an android phone to another android phone over a WiFi connection but I can't seem to find anything useful. I looked on android developers for sample code, stackoverflow, google, android blogs but nothing. Al...
REST vs JSON-RPC? [closed]
I'm trying to chose between REST and JSON-RPC for developing an API for a web application. How do they compare?
15 Answers
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How to compare type of an object in Python?
...r) will return True.
You may also want to read this: http://www.canonical.org/~kragen/isinstance/
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In Java, when should I create a checked exception, and when should it be a runtime exception? [dupli
...t my last job, we ran into some real issues with Runtime exceptions being forgotten until they showed up in production (on agedwards.com), so we resolved to use checked exceptions exclusively.
At my current job, I find that there are many who are for Runtime exceptions in many or all cases.
Here's...
Best branching strategy when doing continuous integration?
...ince I heavily rely on branches on my daily job.
I remember Mark Shuttleworth proposing a model about keeping the main branch pristine while going beyond conventional CI. I posted about it here.
Since I'm familiar with Cruise Control, I also blogged about task branches and CI here. It's an step by...
How to make --no-ri --no-rdoc the default for gem install?
I don't use the RI or RDoc output from the gems I install in my machine or in the servers I handle (I use other means of documentation).
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What does it mean by buffer?
I see the word "BUFFER" everywhere, but I am unable to grasp what it exactly is.
8 Answers
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Why should weights of Neural Networks be initialized to random numbers? [closed]
I am trying to build a neural network from scratch.
Across all AI literature there is a consensus that weights should be initialized to random numbers in order for the network to converge faster.
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