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Create an empty data.frame
... Nice solution, however I found that I get a data frame with 0 rows. In order to keep the size of the data frame the same, I suggest new_df = df[NA,]. This also allows to store any previous column into the new data frame. For example to obtain the "Date" column from original df (while keeping res...
How do I create a SHA1 hash in ruby?
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Need require 'digest/sha1' in order to use SHA1 method.
– Gus Shortz
May 16 '13 at 19:22
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Python List vs. Array - when to use?
...h element of an array in a constant time, whereas in linked list, it takes order 'n' in the worst case. What's the lookup time of i'th element in a python list?
– Nithish Inpursuit Ofhappiness
Jul 19 '17 at 2:16
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Received an invalid column length from the bcp client for colid 6
...ds to be extended or the value your are inserting needs to be trim. Column order also should be same as in table.
e.g, Increase size of varchar column 30 to 50 =>
ALTER TABLE [dbo].[TableName]
ALTER COLUMN [ColumnName] Varchar(50)
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JavaScript open in a new window, not tab
...w window. This is simply the fact to put extra parameter (location, status etc.... it doesn't matter)
– Peter
Nov 28 '15 at 11:28
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Create boolean column in MySQL with false as default value?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Convert all strings in a list to int
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Django Reverse with arguments '()' and keyword arguments '{}' not found
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Android Crop Center of Bitmap
... on this code and instead of using 400px, pass the shortest bmp's size, in order to provide an alternative for the original post above. But thank you for bringing this to our attention, it seems a very useful function. Pity I have not seen it before...
– Lumis
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What is the difference between aggregation, composition and dependency? [duplicate]
...ences which contain words.
Computer system has a hard disk, ram, processor etc.
So containment need not be physical. e.g., computer system has a warranty.
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