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Renaming a virtualenv folder without breaking it

...e use relative paths, and will change all the scripts to use activate_this.py instead of using the location of the Python interpreter to select the environment. Note: you must run this after you've installed any packages into the environment. If you make an environment relocatab...
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How do I convert a String to an InputStream in Java?

...ream = new ByteArrayInputStream(exampleString.getBytes(StandardCharsets.UTF_8)); Note that this assumes that you want an InputStream that is a stream of bytes that represent your original string encoded as UTF-8. For versions of Java less than 7, replace StandardCharsets.UTF_8 with "UTF-8". ...
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Manually map column names with class properties

... This works fine: var sql = @"select top 1 person_id PersonId, first_name FirstName, last_name LastName from Person"; using (var conn = ConnectionFactory.GetConnection()) { var person = conn.Query<Person>(sql).ToList(); return person; } Dapper has no facilit...
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An example of how to use getopts in bash

...ere it shouldn't, so change it into just h (without colon) to expect -p any_string, you need to add p: to the argument list Basically : after the option means it requires the argument. The basic syntax of getopts is (see: man bash): getopts OPTSTRING VARNAME [ARGS...] where: OPTSTRING is s...
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What does the 'b' character do in front of a string literal?

... Actually, if you've imported unicode_literals from __future__, this will "reverse" the behavior for this particular string (in Python 2.x) – Romuald Brunet Mar 14 '13 at 16:27 ...
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What is path of JDK on Mac ? [duplicate]

Im using Mac only at work and I need to set JAVA_HOME to proper path of JDK. I downloaded JDK, installed it and now I can't find it anywhere. I was looking at the internet for the solution, but there is no folder Libraries/Java. ...
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How get integer value from a enum in Rails?

...t the integer values for an enum from the class the enum is on: Model.sale_infos # Pluralized version of the enum attribute name That returns a hash like: { "plan_1" => 1, "plan_2" => 2 ... } You can then use the sale_info value from an instance of the Model class to access the integer v...
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Javascript: Round up to the next multiple of 5

... const fn = _num =>{ return Math.round(_num)+ (5 -(Math.round(_num)%5)) } reason for using round is that expected input can be a random number. Thanks!!! ...
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How to post data in PHP using file_get_contents?

I'm using PHP's function file_get_contents() to fetch contents of a URL and then I process headers through the variable $http_response_header . ...
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Scala: Nil vs List()

...llo", 2 -> "world").foldLeft(List[String]())( (acc, el) => acc :+ el._2) res1: List[String] = List(hello, world) Using Nil as the accumulator here wouldn't work. – Kevin Meredith Nov 17 '13 at 4:57 ...