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PyPy — How can it possibly beat CPython?

...e of them for example took the source, did some kind of analysis on it and converted it directly into tight target specific assembly code after running for a while, I imagine it would be quite faster than CPython. Update: Recently, on a carefully crafted example, PyPy outperformed a similar C prog...
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When increasing the size of VARCHAR column on a large table could there be any problems?

... Another reason why you should avoid converting the column to varchar(max) is because you cannot create an index on a varchar(max) column. share | improve this ...
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Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign

... primary key and the error that occurred on that row... This is in C#, but converting it to VB should not be hard. foreach (DataRow dr in dataTable) { if (dr.HasErrors) { Debug.Write("Row "); foreach (DataColumn dc in dataTable.PKColumns) Debug.Write(dc.ColumnName...
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Are there any standard exit status codes in Linux?

... 8 bits of the return code and 8 bits of the number of the killing signal are mixed into a single value on the return from wait(2) & co.. #include <stdio.h> #include <stdlib.h> #include <sys/types.h> #include <sys/wait.h> #...
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jquery loop on Json data using $.each

... Have you converted your data from string to JavaScript object? You can do it with data = eval('(' + string_data + ')'); or, which is safer, data = JSON.parse(string_data); but later will only works in FF 3.5 or if you include json2....
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Table Naming Dilemma: Singular vs. Plural Names [closed]

...in code. My new rule of thumb is to judge how it will look once it's been converted into an object. one table I've found that does not fit the new naming I use is UsersInRoles. But there will always be those few exceptions and even in this case it looks fine as UsersInRoles.Username. ...
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Unresolved external symbol on static class members

.../stackoverflow.com/a/11711082/55721) If using older versions of the C++ standard, you must add the definitions to match your declarations of X and Y unsigned char test::X; unsigned char test::Y; somewhere. You might want to also initialize a static member unsigned char test::X = 4; and again, yo...
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How do I make a checkbox required on an ASP.NET form?

...ge.IsValid Then 'do logic End If Sorry for the VB code . . . you can convert it to C# if that is your pleasure. The company I am working for right now requires VB :( share | improve this answ...
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Append TimeStamp to a File Name

...e_" + DateTime.Now.ToFileTime() + ".txt"; What does ToFileTime() do? Converts the value of the current DateTime object to a Windows file time. public long ToFileTime() A Windows file time is a 64-bit value that represents the number of 100-nanosecond intervals that have elapsed sinc...
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Why prefer two's complement over sign-and-magnitude for signed numbers?

...der to represent -1 in binary, two's complement is used: flipping the bits and adding 1? 18 Answers ...