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How I can I lazily read multiple JSON values from a file/stream in Python?
...lueError as e:
f.seek(start_pos)
end_pos = int(re.match('Extra data: line \d+ column \d+ .*\(char (\d+).*\)',
e.args[0]).groups()[0])
json_str = f.read(end_pos)
obj = json.loads(json_str)
...
SQL Server SELECT into existing table
...(SELECT DISTINCT
SUBSTRING(
(
SELECT ', table1.' + SYSCOL1.name AS [text()]
FROM sys.columns SYSCOL1
WHERE SYSCOL1.object_id = SYSCOL2.object_id and SYSCOL1.is_identity <> 1
ORDER BY SYSCOL1.object_id
FOR XML PATH ('')
...
Unique ways to use the Null Coalescing operator [closed]
...he biggest advantage that I find to the ?? operator is that you can easily convert nullable value types to non-nullable types:
int? test = null;
var result = test ?? 0; // result is int, not int?
I frequently use this in Linq queries:
Dictionary<int, int?> PurchaseQuantities;
// PurchaseQu...
How do I use LINQ Contains(string[]) instead of Contains(string)
...le<T>, which has a Contains method. Therefore, it's not necessary to convert the array to an IList<T>. msdn.microsoft.com/en-us/library/19e6zeyy.aspx
– spoulson
Oct 13 '08 at 1:11
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What is the use of the %n format specifier in C?
...tput so far by this call to one of the fprintf() functions. No argument is converted.
An example usage would be:
int n_chars = 0;
printf("Hello, World%n", &n_chars);
n_chars would then have a value of 12.
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Accessing the index in 'for' loops?
...95 you probably have the data in the wrong type (a string) and you need to convert it to an actual list of numbers instead of a string. That is somewhat off topic here, please delete your comment and flag mine to be deleted as no longer needed when you see this.
– Aaron Hall♦...
Enum type constraints in C# [duplicate]
...Value As TEnum, ByVal Flags As TEnum) As Boolean
Dim flags64 As Long = Convert.ToInt64(Flags)
Return (Convert.ToInt64(Value) And flags64) = flags64
End Function
End Class
Module Module1
Sub Main()
Dim k = Enums.Parse(Of DateTimeKind)("Local")
Console.WriteLine("{0} = {1}", k, CIn...
How to remove multiple indexes from a list at the same time? [duplicate]
...ficient solution (we don't need to keep rebuilding the list), but you must convert remove_indices to a set first!
– c z
Jan 22 at 9:31
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What is the benefit of zerofill in MySQL?
...etimes you don't want it to. By zerofilling a tinyint, you're effectively converting those values to INT and removing any confusion ur application may have upon interaction. Your application can then treat those values in a manner similar to the primitive datatype True = Not(0)
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How to get Resource Name from Resource id
... value to be filled in these 10 editbox after this string is parserd it is converted into HashMap. Now instead manually mapping each value (corresponding to key of hashmap) to editText text.. i am writting a method that could this work for me .
– Code_Life
Apr ...