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Is there a difference between /\s/g and /\s+/g?

...eans "one or more spaces". But, because you're using the /g flag (replace all occurrences) and replacing with the empty string, your two expressions have the same effect. share | improve this answe...
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Difference between `npm start` & `node app.js`, when starting app?

I have installed an application using the command express new 'filename' . I have just learned that you can start an application using: ...
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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?

...person - so I suggest you find out what most people on your team like, and all go with that for consistency. Personally I find "" easier to read. The argument that "" and " " are easily mistaken for each other doesn't really wash with me. Unless you're using a proportional font (and I haven't worke...
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How to force LINQ Sum() to return 0 while source collection is empty

Basically when I do the following query, if no leads were matched the following query throws an exception. In that case I'd prefer to have the sum equalize 0 rather than an exception being thrown. Would this be possible in the query itself - I mean rather than storing the query and checking query.A...
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Flatten List in LINQ

...nt>> but i want to return only List<int> so i want to merge all my record in my IEnumerable<List<int>> to only one array. ...
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jQuery find parent form

... In HTML5, there is a new 'form' attribute which allows you to have the element outside the parent form. This should be checked first. – mcintyre321 Aug 4 '15 at 11:00 ...
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ActiveRecord, has_many :through, and Polymorphic Associations

...on. :source should points to the polymorphic belongs_to relationship. Then all you need to do is specify :source_type for the relationship you're trying to define. This fix to the Widget model should allow you do exactly what you're looking for. class Widget < ActiveRecord::Base has_many :wid...
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How can I detect whether an iframe is loaded?

...y on("load"). (Unfortunately, the docs don't quite make clear that that's all you need to do.) – Teepeemm Oct 5 '14 at 0:25 1 ...
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How to output a comma delimited list in jinja python template?

... This is awesome, especially at the end of the loop in html – Sinux Aug 27 '15 at 14:38 8 ...
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Importing a CSV file into a sqlite3 database table using Python

...lumn headers in the csv file. And close the connection to the database by calling con.close() at the end. – Jonas Aug 8 '16 at 21:31 1 ...