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Find unused npm packages in package.json

... You can use an npm module called depcheck (requires at least version 10 of Node). Install the module: npm install depcheck -g or yarn global add depcheck Run it and find the unused dependencies: depcheck The good thing about this approach is ...
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Getting Chrome to accept self-signed localhost certificate

...tificate for the localhost CN. Firefox accepts this certificate after initially complaining about it, as expected. Chrome and IE, however, refuse to accept it, even after adding the certificate to the system certificate store under Trusted Roots. Even though the certificate is listed as correctly in...
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How to deal with a slow SecureRandom generator?

If you want a cryptographically strong random numbers in Java, you use SecureRandom . Unfortunately, SecureRandom can be very slow. If it uses /dev/random on Linux, it can block waiting for sufficient entropy to build up. How do you avoid the performance penalty? ...
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Why do you not use C for your web apps?

...t a C program correct and secure. That care means that you need to have really good people writing your programs. That means you pay more. Also, C doesn't have the benefit of drawing from an enormous single standard library of functionality as .NET (and the other major web-centric platforms) ha...
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Node.js getaddrinfo ENOTFOUND

...h url.parse(); or call http.get(options, callback), where options is { host: 'eternagame.wikia.com', port: 8080, path: '/wiki/EteRNA_Dictionary' } Update As stated in the comment by @EnchanterIO, the port field is also a separate option; and the protocol http:// shouldn't be included in th...
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MongoDB vs. Cassandra [closed]

... Totally different, a comment isn't big enough, but ... Cassandra is a linearly scalable (amortized constant time reads & writes) dynamo/google bigtable hybrid that features fast writes regardless of data size. It's feature s...
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Apache Spark: The number of cores vs. the number of executors

... To hopefully make all of this a little more concrete, here’s a worked example of configuring a Spark app to use as much of the cluster as possible: Imagine a cluster with six nodes running NodeManagers, each equipped with 16 cores and 64GB o...
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Android SharedPreference security

... within the app's data directory with filesystem permissions set that only allow the UID that the specific application runs with to access them. So, they are private in so much as Linux file permissions restrict access to them, the same as on any Linux/Unix system. Anyone with root level access to ...
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SublimeText encloses lines in white rectangles

... Looks like you have SublimeLinter installed. It highlights errors and warnings. share | improve this answer | follow | ...
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Bash script and /bin/bash^M: bad interpreter: No such file or directory [duplicate]

...dows env and then porting over to run on a Unix environment. Try running dos2unix on the script: http://dos2unix.sourceforge.net/ Or just rewrite the script in your Unix env using vi and test. Unix uses different line endings so can't read the file you created on Windows. Hence it is seeing ^M ...