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Email validation using jQuery

... jQuery validation plugin for a few reasons. You validated, ok great, now what? You need to display the error, handle erasing it when it is valid, displaying how many errors total perhaps? There are lots of things it can handle for you, no need to re-invent the wheel. Also, another huge benefit ...
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mongodb group values by multiple fields

... "count" : 3 } ], "ok" : 1 } So this differs from what you are asking in that, while we do get the top results for the address values the underlying "books" selection is not limited to only a required amount of results. This turns out to be very difficult to do, but it can b...
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decimal vs double! - Which one should I use and when? [duplicate]

...oubt that double is not to be used when representing financial values, but what did you exactly mean when you wrote that double does not support specific rounding modes, compared to a decimal? AFAIK, Math.Round has overloads which accept the MidpointRounding parameter for both double and decimal? ...
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What is the use for IHttpHandler.IsReusable?

... For what it's worth, I have implemented many, many IHttpHandlers with IsReusable set to true and have had no issues. The main thing to keep in mind is not to have any variables scoped to the class, but rather use local variables...
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How to access pandas groupby dataframe by key

...p labels and whose values are DataFrames, i.e. groups['foo'] will yield what you are looking for: A B C 0 foo 1.624345 5 2 foo -0.528172 11 4 foo 0.865408 14 share | imp...
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How is a CRC32 checksum calculated?

...; they're different kinds of things. Also, since the bits are only 0 or 1, what would -1 even be? Really, we're working in the ring of polynomials with coefficients in the field $Z/2Z$, which only has two elements, 0 and 1, and where $1+1=0$. By putting the cofficients be in a field, then the polyno...
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SQL Server - where is “sys.functions”?

... I find UDFs are very handy and I use them all the time. I'm not sure what Microsoft's rationale is for not including a sys.functions equivalent in SQL Server 2005 (or SQL Server 2008, as far as I can tell), but it's easy enough to roll your own: CREATE VIEW my_sys_functions_equivalent AS SELE...
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Removing MySQL 5.7 Completely [closed]

... What about also deleting the user group? – Ty. Sep 30 '14 at 3:59 10 ...
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Get Folder Size from Windows Command Line

... I suggest you all to download whatever Mark Russinovich develops :) I keep seeing this name whenever I find a tool saving my life. – dkellner Nov 30 '17 at 14:54 ...
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JavaScript: filter() for Objects

...as you provide a valid function in the second argument. NB: I have no idea what .Filter is at the end, but if it is a function, you need to call it ( x => x.Expression.Filters.Filter() ) – trincot Oct 19 '16 at 12:36 ...