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Modelling an elevator using Object-Oriented Analysis and Design [closed]
...t from
elevator to elevator). Obviously also call buttons on every floor, etc.
Representations of the arrows or indicators on each floor (almost a "view" of the elevator model).
Representation of a human and cargo (may be important for factoring in maximal loads)
Representation of the building (in...
Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
...s a Service (IAAS)
Versatile - has many products such as EC2, LAMBDA, EMR, etc.
Can use a Dedicated instance for more control over the architecture, such as choosing the OS, software version, etc. There is more than one backend layer.
Elastic Beanstalk is a feature similar to Heroku's PAAS.
Can use...
Git error: “Host Key Verification Failed” when connecting to remote repository
...
or, equivalently, let ssh do it for you next time you connect with git fetch, git pull, or git push (or even a plain ol’ ssh domain.com) by answering yes when prompted
The authenticity of host 'domain.com (a.b.c.d)' can't be established.
RSA key fingerprint is XX:XX:...:XX.
Are you sure you wa...
What are the typical reasons Javascript developed on Firefox fails on IE? [closed]
...
Please feel free to update this list if you see any errors/omissions etc.
Note: IE9 fixes many of the following issues, so a lot of this only applies to IE8 and below and to a certain extent IE9 in quirks mode. For example, IE9 supports SVG, <canvas>, <audio> and <video> na...
In Node.js, how do I “include” functions from my other files?
...in the use of eval by blocking introduction of new variables through eval, etc.
– timbo
Feb 3 '14 at 23:41
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show 15 more comments
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Why are floating point numbers inaccurate?
...r equations symbolic until the last possible moment, in case factors of π etc cancel out.
– Floris
Feb 20 '14 at 1:39
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Where should @Service annotation be kept? Interface or Implementation?
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Basically annotations like @Service, @Repository, @Component, etc. they all serve the same purpose:
auto-detection when using annotation-based configuration and classpath
scanning.
From my experience I am always using @Service annotation on the interfaces or abstract classes an...
Reducing MongoDB database file size
...
Compact all collections in current database
db.getCollectionNames().forEach(function (collectionName) {
print('Compacting: ' + collectionName);
db.runCommand({ compact: collectionName });
});
...
How to detect idle time in JavaScript elegantly?
...idle " time in JavaScript?
My primary use case probably would be to pre-fetch or preload content.
38 Answers
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Adding a public key to ~/.ssh/authorized_keys does not log me in automatically
... be simple, but it hides some traps I'm trying to figure.
-- SERVER --
In /etc/ssh/sshd_config, set passwordAuthentication yes to let the server temporarily accept password authentication
-- CLIENT --
consider Cygwin as Linux emulation and install & run OpenSSH
1. Generate private and public k...