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02 space stretching linear transformation should it be Y=X@W instead of [email protected]()?

4

a simple test of shear, yellow dots should be in lower right instead of upper right, new_OI is right without transpose ```python for i in range(1): # create a random...

can't play dowloaded playlist m3u because no downloaded folder name

3

after downloading playlist, every single track is put in different folder, which is good, but the m3u doesn't have the folder information, all path start with 'Disc True', this lead...

'Undefined namespace prefix' in GetCurrentPeriodAndContextInformation

2

I got an issue with 819793/0000891092-14-001589/ain-20131231.xml, I got an exception 'Undefined namespace prefix' at x.getNodeList("//xbrli:entity/xbrli:segment/xbrldi:explicitMember") I don't have a lot experiences in lxml, can someone please help me to sovle...