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Can't install via pip because of egg_info error

... egg ones. If you find yourself having my issue above, download this file and then in powershell or command prompt, navigate to ez_setup’s directory and execute the command and this will run the file for you: $ [sudo] python ez_setup.py If you still need to install pip at this point, run: $ ...
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Argparse optional positional arguments?

...arguments: dir optional arguments: -h, --help show this help message and exit -v share | improve this answer | follow | ...
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Difference between a Factory, Provider and a Service?

What is the difference between the terms Factory, Provider and Service? 1 Answer 1 ...
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How to get an object's properties in JavaScript / jQuery?

... You can look up an object's keys and values by either invoking JavaScript's native for in loop: var obj = { foo: 'bar', base: 'ball' }; for(var key in obj) { alert('key: ' + key + '\n' + 'value: ' + obj[key]); } or using jQuery's .each()...
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Convert String to SecureString

...g object is to avoid creating a string object (which is loaded into memory and kept there in plaintext until garbage collection). However, you can add characters to a SecureString by appending them. var s = new SecureString(); s.AppendChar('d'); s.AppendChar('u'); s.AppendChar('m'); s.AppendChar('...
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what is the difference between const_iterator and iterator? [duplicate]

...); dereferencing it returns a reference to a constant value (const T&) and prevents modification of the referenced value: it enforces const-correctness. When you have a const reference to the container, you can only get a const_iterator. Edited: I mentionned “The const_iterator returns const...
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How do we control web page caching, across all browsers?

...he correct minimum set of headers that works across all mentioned clients (and proxies): Cache-Control: no-cache, no-store, must-revalidate Pragma: no-cache Expires: 0 The Cache-Control is per the HTTP 1.1 spec for clients and proxies (and implicitly required by some clients next to Expires). The...
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How to extract the first two characters of a string in shell scripting?

... Probably the most efficient method, if you're using the bash shell (and you appear to be, based on your comments), is to use the sub-string variant of parameter expansion: pax> long="USCAGol.blah.blah.blah" pax> short="${long:0:2}" ; echo "${short}" US This will set short to be the f...
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What's better to use in PHP, $array[] = $value or array_push($array, $value)?

... No benchmarks, but I personally feel like $array[] is cleaner to look at, and honestly splitting hairs over milliseconds is pretty irrelevant unless you plan on appending hundreds of thousands of strings to your array. Edit: Ran this code: $t = microtime(true); $array = array(); for($i = 0; $i <...
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\r\n, \r and \n what is the difference between them? [duplicate]

I need to ask about the difference in a string between \r\n , \r and \n . How is a string affected by each? 4 Answers ...