Given two floating-point numbers, I\'m looking for an efficient way to check if they have the same sign, given that if any of the two values is zero (+0.0 or -0.0), they should be considered to have t
I have a trade table with several million rows. Each row represents the version of a trade. If I\'m given a possibly new trade I compare it开发者_高级运维 to the latest version in the trade table. If
How can I take tw开发者_如何学编程o NSArrays, compare them, then return the number of differences, preferably the number of different objects, for example:
When you call remove(object o) on an arraylist in java, how does it compare the objects to find the correct one to remove? does it use the pointer? or does it compare the ob开发者_JAVA技巧jects using
I have this two arrays: $arr1=array(array(\"id\" => 8, \"name\" => \"test1\"), array(\"id\" => 4, \"name\" => \"test2\"),
table1 - date1 datetime not null - date2 nvarchar null I want to get the latest date of this开发者_JAVA技巧 two.
how can i evaluate whether my test array is equal to my static constant DEFAULT_ARRAY?shouldn\'t my output be returning true?
I\'m trying to use a custom compare method (for use with sortedArrayUsingSelector:) and on another website I got that the format is:
I\'m trying to take 2 versions of text (10 pages long) and compare the 2 to produce the difference. I know Wikipedia has a similar feature to compare revisions. Does 开发者_C百科anyone know what they
I don\'t really know what\'s wrong right here. I\'m trying to create a vbscript that basically checks two Folders for their files and compare the DateLastModified attribute of each and then copies th
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