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How to check type of files without extensions in python?

...ess file types. There's even a windows port. From the man page: File tests each argument in an attempt to classify it. There are three sets of tests, performed in this order: filesystem tests, magic number tests, and language tests. The first test that succeeds causes the file ty...
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Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”

... When I am running R script to plot svg using Rscript in bash on osx, I get this warning. Solution: export LANG=en_US.UTF-8 export LC_ALL=en_US.UTF-8 and solution: writting Sys.setenv(LC_ALL="en_US.UTF-8") in script following Bhoom Suktitipat 's answer all work...
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Best practices for catching and re-throwing .NET exceptions

...ectManager calls SetObjectData // voila, e is unmodified save for _remoteStackTraceString } Although, it has the advantage of relying in public methods only it also depends on the following exception constructor (which some exceptions developed by 3rd parties do not implement): protected Ex...
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Is there a short contains function for lists?

...le list comprehension. list_does_contain = next((True for item in list_to_test if item == test_item), False) share | improve this answer | follow | ...
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How to store Node.js deployment settings/configuration files?

...onfig.mongo.db = 'example_dev'; Override the defaults in ./config/config.test.js var config = require('./config.global'); config.env = 'test'; config.hostname = 'test.example'; config.mongo.db = 'example_test'; module.exports = config; Using it in ./models/user.js: var mongoose = require('mo...
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How can I declare and use Boolean variables in a shell script?

... @pms The operators "-o" and "-a" are only for the "test" command (aka "[]"). Instead, this is "if + command", without the "test". (Like "if grep foo file; then ...".) So, use the normal && and || operators: # t1=true; t2=true; f1=false; # if $t1 || $f1; then echo is_t...
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Check if user is using IE

... /Edge\/|Trident\/|MSIE /.test(window.navigator.userAgent) I know this works on 10 and 11. If you can verify <IE9 and Edge, edit answer. – Indolering May 5 '15 at 23:59 ...
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“NODE_ENV” is not recognized as an internal or external command, operable command or batch file

... People who couldn't make it work, "test-unit": "SET NODE_ENV=test & mocha --require co-mocha 'test.js'" wrong "test-unit": "SET NODE_ENV=test & mocha --require co-mocha test.js" true. You need to remove the ' ' around the js file. ...
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How do I select text nodes with jQuery?

...ype == 3) { if (includeWhitespaceNodes || nonWhitespaceMatcher.test(node.nodeValue)) { textNodes.push(node); } } else { for (var i = 0, len = node.childNodes.length; i < len; ++i) { getTextNodes(node.childNodes[i]); ...
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Difference between single and double square brackets in Bash

... Single [] are posix shell compliant condition tests. Double [[]] are an extension to the standard [] and are supported by bash and other shells (e.g. zsh, ksh). They support extra operations (as well as the standard posix operations). For example: || instead of -o and r...