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Convert two lists into a dictionary

...onary ? dict = {'name' : 'Monty', 'age' : 42, 'food' : 'spam'} Most performant, dict constructor with zip new_dict = dict(zip(keys, values)) In Python 3, zip now returns a lazy iterator, and this is now the most performant approach. dict(zip(keys, values)) does require the one-time global lo...
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How to check if a given directory exists in Ruby

...undefined method `exists?' for Dir:Class (NoMethodError). Also, the plural form is now deprecated, use .exist? instead. – Josip Rodin Oct 22 '15 at 9:09 ...
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SOAP server and client application VCL+indy demo for Delphi XE?

... SoapDMServerINDY, and it consists of a data module (datamod_u.pas), a VCL form User Interface unit (IndyServerVCLFormUnit.pas) and an Indy Server web module, called IndyServerWebModule.pas. The Delphi 2007 demo broke thanks to the new practice of having a Debug/Win32 subfolder that the demo executa...
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How to get evaluated attributes inside a custom directive

... declarative payload into your directive as an array or hash-object in the form: my-directive-name="['string1', 'string2']" In that case, you can cut to the chase and just use a nice basic angular.$eval(attr.attrName). element.val("value = "+angular.$eval(attr.value)); Working Fiddle. ...
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What HTTP status response code should I use if the request is missing a required parameter?

... this error condition may occur if an XML request body contains well-formed (i.e., syntactically correct), but semantically erroneous, XML instructions. They state that malformed xml is an example of bad syntax (calling for a 400). A malformed query string seems analogous to this, so 4...
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What's the best way to model recurring events in a calendar application?

...entation. Some of the key points: Store recurrence using the iCal RRULE format -- that's one wheel you really don't want to reinvent Do NOT store individual recurring event instances as rows in your database! Always store a recurrence pattern. There are many ways to design your event/exception sc...
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What is compiler, linker, loader?

...it : 1) Lexical Analyzer: It combines characters in the source file, to form a "TOKEN". A token is a set of characters that does not have 'space', 'tab' and 'new line'. Therefore this unit of compilation is also called "TOKENIZER". It also removes the comments, generates symbol table and relocati...
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Fetch first element which matches criteria

...empty), or a single identifier without any parentheses. But in the second form, the identifier cannot be declared with a type name. Thus: this.stops.stream().filter(Stop s-> s.getStation().getName().equals(name)); is incorrect syntax; but this.stops.stream().filter((Stop s)-> s.getStatio...
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Commenting multiple lines in DOS batch file

... Ooh, the square and curly bracket forms are sexy. If I were writing code only for myself I might use it. But I imagine the average user would see that and say WTF. – dbenham Oct 6 '17 at 13:55 ...
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How to write very long string that conforms with PEP8 and prevent E501

... Note no plus sign, and I added the extra comma and space that follows the formatting of your example. Personally I don't like the backslashes, and I recall reading somewhere that its use is actually deprecated in favor of this form which is more explicit. Remember "Explicit is better than implicit...