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Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio

...t this error message when trying to access the database, both from the CLI and from loading a page on the server: 4 Answers...
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tag vs tag

... behaviour is not defined anywhere. While you can in theory leave it out and assume it will be interpreted as JavaScript, it's invalid HTML, so why not add it. In HTML 5, the type attribute is optional and defaults to text/javascript Use <script type="text/javascript"> or simply &...
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What's the point of map in Haskell, when there is fmap?

...or a map function? Couldn't it just be what is currently known as fmap and fmap could be removed from the language? 3...
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Defining a variable with or without export

...l process. If you want a process to make use of this variable, use export, and run the process from that shell. name=value means the variable scope is restricted to the shell, and is not available to any other process. You would use this for (say) loop variables, temporary variables etc. It's im...
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SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed

...SL_CERT_FILE=/usr/local/etc/openssl/certs/cert.pem – andersjanmyr Dec 20 '12 at 12:04 5 ...
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What is the 'new' keyword in JavaScript?

... the hidden [[prototype]] property, also have a property called prototype, and it is this that you can access, and modify, to provide inherited properties and methods for the objects you make. Here is an example: ObjMaker = function() {this.a = 'first';}; // ObjMaker is just a function, there's ...
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Jenkins Host key verification failed

... Change to the jenkins user and run the command manually: git ls-remote -h git@bitbucket.org:person/projectmarket.git HEAD You will get the standard SSH warning when first connecting to a new host via SSH: The authenticity of host 'bitbucket.org (20...
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Proper way to declare custom exceptions in modern Python?

...xception classes in modern Python? My primary goal is to follow whatever standard other exception classes have, so that (for instance) any extra string I include in the exception is printed out by whatever tool caught the exception. ...
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Gradle proxy configuration

...e causes for issues, I manually add the Artifactory plugin in build.gradle and run it from command line: 14 Answers ...
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Why do I want to avoid non-default constructors in fragments?

I am creating an app with Fragments and in one of them, I created a non-default constructor and got this warning: 6 Answe...