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How does comparison operator works with null int?

...e("num1 is greater than or equal to num2"); } else { // This clause is selected, but num1 is not less than num2. Console.WriteLine("num1 >= num2 returned false (but num1 < num2 also is false)"); } if (num1 < num2) { Console.WriteLine("num1 is less than num2"); } else { // T...
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What are the differences between the different saving methods in Hibernate?

... So in case of detached object, merge will trigger a select whereas update will not ? – Gab Mar 17 '14 at 15:44 1 ...
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Get the string representation of a DOM node

...(el) == "<p>Test</p>" You'll find my jQuery plugin here: Get selected element's outer HTML share | improve this answer | follow | ...
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What is the meaning of symbol $ in jQuery?

... $ already. Just use jQuery.noConflict(). $ is pretty commonly used as a selector function in JS. In jQuery the $ function does much more than select things though. You can pass it a selector to get a collection of matching elements from the DOM. You can pass it a function to run when the d...
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Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le

... 0 1 # 3 bar 3 1 0 # 4 bar 4 1 0 # At this point, you can select out the columns that you want. share | improve this answer | follow | ...
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How to serialize SqlAlchemy result to JSON?

...oded before, it will encode it as 'None'. A recursive, possibly-circular, selective implementation Another alternative, probably better, is to be able to specify the fields you want to expand: def new_alchemy_encoder(revisit_self = False, fields_to_expand = []): _visited_objs = [] class ...
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How to compare two colors for similarity/difference

...For posterity, here's the relevant C code: typedef struct { unsigned char r, g, b; } RGB; double ColourDistance(RGB e1, RGB e2) { long rmean = ( (long)e1.r + (long)e2.r ) / 2; long r = (long)e1.r - (long)e2.r; long g = (long)e1.g - (long)e2.g; long b = (long)e1.b - (long)e2.b;...
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Create a matrix of scatterplots (pairs() equivalent) in ggplot2

... na.rm = na.rm, convert = convert, factor_key = factor_key), select(., !!!vars)) } %>% gather(., key = !!ykey, value = !!yvalue, !!!vars, na.rm = na.rm, convert = convert, factor_key = factor_key) } iris %>% gatherpairs(Sepal.Length, Sepal.Width, Petal.Lengt...
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Is it a good idea to index datetime field in mysql?

...ne table with 4 million records. Most of my queries use datetime clause to select data. Is it a good idea to index datetime fields in mysql database? ...
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html select only one checkbox in a group

So how can I only allow a user to select only one checkbox? 16 Answers 16 ...