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How to check if the string is empty?

... answered Mar 5 '12 at 20:10 Andrew ClarkAndrew Clark 171k2525 gold badges236236 silver badges278278 bronze badges ...
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How to use JavaScript variables in jQuery selectors?

...od](); }); Now you can completely control which element you're targeting and what happens to it via the HTML. For example, you could use data-target=".some-class" and data-method="fadeOut" to fade-out a collection of elements. ...
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Distinct in Linq based on only one field of the table

...t).Select(x => x.FirstOrDefault()); This will group the table by Text and use the first row from each groups resulting in rows where Text is distinct. share | improve this answer | ...
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How to set variable from a SQL query?

...'South Coast') See this question for the difference between using SELECT and SET in TSQL. Warning If this select statement returns multiple values (bad to begin with): When using SELECT, the variable is assigned the last value that is returned (as womp said), without any error or warning (thi...
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Python - use list as function parameters

...is has already been answered perfectly, but since I just came to this page and did not understand immediately I am just going to add a simple but complete example. def some_func(a_char, a_float, a_something): print a_char params = ['a', 3.4, None] some_func(*params) >> a ...
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How do I round a decimal value to 2 decimal places (for output on a page)

...mal currently with .ToString() , it's accurate to like 15 decimal places, and since I'm using it to represent dollars and cents, I only want the output to be 2 decimal places. ...
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LEFT OUTER joins in Rails 3

...s(:blog).where("users.id IS NULL").select – Linus Oleander Dec 1 '11 at 23:15 1 Doesn't select ne...
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How do I get the current version of my iOS project in code?

... You can get the version and build numbers as follows: let version = Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as! String let build = Bundle.main.object(forInfoDictionaryKey: kCFBundleVersionKey as String) as! String o...
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Convert list to tuple in Python

... Expanding on eumiro's comment, normally tuple(l) will convert a list l into a tuple: In [1]: l = [4,5,6] In [2]: tuple Out[2]: <type 'tuple'> In [3]: tuple(l) Out[3]: (4, 5, 6) However, if you've redefined tuple to be...
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AngularJs ReferenceError: $http is not defined

...'$http', function($scope,$http) { //$http is working in this }]); and It has worked well. share | improve this answer | follow | ...