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ImportError: No module named MySQLdb
... http://code.tutsplus.com/tutorials/intro-to-flask-signing-in-and-out--net-29982
11 Answers
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Python memory usage of numpy arrays
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246
You can use array.nbytes for numpy arrays, for example:
>>> import numpy as np
>&...
How can I extract a predetermined range of lines from a text file on Unix?
I have a ~23000 line SQL dump containing several databases worth of data. I need to extract a certain section of this file (i.e. the data for a single database) and place it in a new file. I know both the start and end line numbers of the data that I want.
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Reading a binary file with python
...using struct.unpack:
The start bytes: struct.unpack("iiiii", fileContent[:20])
The body: ignore the heading bytes and the trailing byte (= 24); The remaining part forms the body, to know the number of bytes in the body do an integer division by 4; The obtained quotient is multiplied by the string ...
What are the main purposes of using std::forward and which problems it solves?
..., std::forward is used to convert the named rvalue references t1 and t2 to unnamed rvalue references. What is the purpose of doing that? How would that affect the called function inner if we leave t1 & t2 as lvalues?
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Base64 Java encode and decode a string [duplicate]
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246
You can use following approach:
import org.apache.commons.codec.binary.Base64;
// Encode dat...
Persistent invalid graphics state error when using ggplot2
...n't get reset. This worked for me and it's simpler than reinstalling ggplot2.
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Stack vs heap allocation of structs in Go, and how they relate to garbage collection
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It's worth noting that the words "stack" and "heap" do not appear anywhere in the language spec....