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Can someone explain the traverse function in Haskell?

... [1..3]? We get the partial results of [1], [2,2] and [3,3,3] using rep. Now the semantics of lists as Applicatives is "take all combinations", e.g. (+) <$> [10,20] <*> [3,4] is [13,14,23,24]. "All combinations" of [1] and [2,2] are two times [1,2]. All combinations of two times [1,2...
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How much space can your BitBucket account have?

...ories. However, I didn't find the size limit of your account? Does anyone know where to find it? Github offered 300mb if I remember correctly. ...
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Creating an empty Pandas DataFrame, then filling it?

...me import pandas as pd import numpy as np todays_date = datetime.datetime.now().date() index = pd.date_range(todays_date-datetime.timedelta(10), periods=10, freq='D') columns = ['A','B', 'C'] Note: we could create an empty DataFrame (with NaNs) simply by writing: df_ = pd.DataFrame(index=index,...
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HTML5 canvas ctx.fillText won't do line breaks?

... Thank you! I had a feeling it would be bothersome... Nice to know about the SKYWRITER, but I'll just "wait" until fillText() is improved. It wasn't a terribly important deal in my case. Hah, no line height, it's like someone did that on purpose. :D – Spectraljump ...
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Convert INT to VARCHAR SQL

... Thanks. But now I got another error. When I try to do this kind of Select : SELECT CONVERT(varchar(10), field_name) FROM table_name. Or even the normal one like: SELECT field_name FROM table_name. Both are correct. I dont know why. But w...
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Pip freeze vs. pip list

...thon 3.2 includes wsgiref.egg-info in the Lib directory, which is why pip knows about it. You can't [un]install it with pip, and later versions of Python omit the metadata file so it won't appear. – Zooba Mar 17 '14 at 18:39 ...
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When to use os.name, sys.platform, or platform.system?

As far as I know, Python has 3 ways of finding out what operating system is running on: 5 Answers ...
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Git: Show all of the various changes to a single line in a specified file over the entire git histor

...ult situation. The file in question moved from paht_a/file to path_b/file. Now when I do it in path_b it only show changes up to when the file moves from path_a to path_b. If I do it in path_a it tells me fatal: ambiguous argument 'file': unknown revision or path not in the working tree. ...
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How do you use the “WITH” clause in MySQL?

...klog. Thirty three months between filing a request and getting a first acknowledgement is a jaw-dropping length of time. Thank you for considering the request." – Shiva Jan 17 '14 at 17:37 ...
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Google Play Services Library update and missing symbol @integer/google_play_services_version

...sion of Google Play Services ( v4.0, released on Halloween 2013 ), you are now supposed to add a new tag into the AndroidManifest.xml file. ...