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How do I add a delay in a JavaScript loop?

...se(res => setTimeout(res, ms)); } Reference on MDN While ES7 is now supported by NodeJS and modern browsers, you might want to transpile it with BabelJS so that it runs everywhere. share | ...
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Why malloc+memset is slower than calloc?

It's known that calloc is different than malloc in that it initializes the memory allocated. With calloc , the memory is set to zero. With malloc , the memory is not cleared. ...
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Error: Could not find or load main class in intelliJ IDE

...and then followed the steps mentioned by @Kishore over here. It is working now. – Sunny Shekhar Nov 26 '19 at 5:14  |  show 2 more comments ...
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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]

...iable and if it’s undefined , you can check variable == undefined ; I know that, but how can you compare a value that you don’t know yet if it’s in memory? ...
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Is there a way to get the git root directory in one command?

...n alias: git config --global alias.root 'rev-parse --show-toplevel' and now git root will function just as hg root. Note: In a submodule this will display the root directory of the submodule and not the parent repository. If you are using Git >=2.13 or above, there is a way that submodules ...
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Is there a way to get a collection of all the Models in your Rails app?

...ection to search for every classes that extends ActiveRecord::Base. Don't know how you can list all the classes though... EDIT: Just for fun, I found a way to list all classes Module.constants.select { |c| (eval c).is_a? Class } EDIT: Finally succeeded in listing all models without looking at di...
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How do I adjust the anchor point of a CALayer, when Auto Layout is being used?

...he view to vanish from the screen, since autolayout still takes place, and now there are no constraints to tell us where to put the view. So in addition to removing the constraints, I set the view's translatesAutoresizingMaskIntoConstraints to YES. The view now works in the old way, effectively unaf...
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Add Keypair to existing EC2 instance

...file system (still on instance-B): sudo umount /vol-a sudo rmdir /vol-a Now, back on your system with ec2-api-tools, continue moving the EBS volume back to it’s home on the original instance A and start the instance again: ec2-detach-volume $volume ec2-attach-volume --instance $instance_a --de...
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Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine

... mode (This is the answer I found when I did an extensive search for this known issue) and that causes other part of my code to break. Fortunately, now Microsoft has released a 64 bit compatible 2010 Office System Driver which can be used as replacement for the traditional Microsoft.Jet.OLEDB.4.0 d...
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Get the subdomain from a URL

...".co.uk" and "pvt.k12.wy.us". The Public Suffix List is a list of all known public suffixes. The Public Suffix List is an initiative of the Mozilla Foundation. It is available for use in any software, but was originally created to meet the needs of browser manufacturers. It allo...