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List of lists into numpy array

...ck import numpy as np np_array = np.empty((0,4), dtype='float') for i in range(10) row_data = ... # get row_data as list np_array = np.vstack((np_array, np.array(row_data))) share | i...
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Minimum and maximum value of z-index?

... integer or real number as a value actually restrict the value to some range, often to a non-negative value. So basically there are no limitations for z-index value in the CSS standard, but I guess most browsers limit it to signed 32-bit values (−2147483648 to +2147483647) in practice (64 wo...
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AddRange to a Collection

A coworker asked me today how to add a range to a collection. He has a class that inherits from Collection<T> . There's a get-only property of that type that already contains some items. He wants to add the items in another collection to the property collection. How can he do so in a C#3-frie...
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Is there a 'foreach' function in Python 3?

...value) # a # b Python For Loop: array = ['a', 'b'] for index in range(len(array)): print("index: %s | value: %s" % (index, array[index])) # index: 0 | value: a # index: 1 | value: b share | ...
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Sql query to insert datetime in SQL Server

...rsion of a varchar data type to a datetime data type resulted in an out-of-range value. If you want to build a query in C# to run on SQL Server, and you need to pass a date in the ISO 8601 format, use the Sortable "s" format specifier: string.Format("select convert(datetime2, '{0:s}'", DateTime.N...
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fatal: early EOF fatal: index-pack failed

...git pull --all not works. Because of git clone --depth 1 will set fetching range only one branch. So we have to edit .git/config first. – pjincz Jul 9 '16 at 16:11 ...
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PHP file_get_contents() and setting request headers

... string(27) "ETag: "280100-1b6-80bfd280"" [5]=> string(20) "Accept-Ranges: bytes" [6]=> string(19) "Content-Length: 438" [7]=> string(17) "Connection: close" [8]=> string(38) "Content-Type: text/html; charset=UTF-8" } ...
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Any idea why I need to cast an integer literal to (int) here?

...cted location. I actually do not use Integer w/ autoboxing since the cache range is small (albeit it can be increased w/ XX option) but have a class called IntegerProvider (since 1.1) to do the very same stuff. Using Map (any from java.util) Integer->Anything is usually a performance hit unless i...
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Very large matrices using Python and NumPy

...simple solution is using a custom type for your matrix items. Based on the range of numbers you need, you can use a manual dtype and specially smaller for your items. Because Numpy considers the largest type for object by default this might be a helpful idea in many cases. Here is an example: In [7...
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What is the “-->” operator in C++?

... Then again, it does kind of look like some kind of range operator in that context. – Charles Salvia Oct 29 '09 at 7:14 113 ...