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How do I make a list of data frames?

... The other answers show you how to make a list of data.frames when you already have a bunch of data.frames, e.g., d1, d2, .... Having sequentially named data frames is a problem, and putting them in a list is a good fix, but best practice is to avoid having a bunch of data.frames not in a list in ...
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How to convert CSV file to multiline JSON?

...le.json', 'w') fieldnames = ("FirstName","LastName","IDNumber","Message") reader = csv.DictReader( csvfile, fieldnames) for row in reader: json.dump(row, jsonfile) jsonfile.write('\n') share | ...
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How to programmatically create and read WEP/EAP WiFi configurations in Android?

How to programmatically create and read WEP/EAP WiFi configurations in Android? 5 Answers ...
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android pick images from gallery

... Please don't forget to add runtime permissions for READ_EXTERNAL_STORAGE and WRITE_EXTERNAL_STORAGE for api level 23 and higher. Otherwise you may not get bitmap from gallery as not null. See stackoverflow.com/a/35285667/3341089 – oguzhan ...
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What is the quickest way to HTTP GET in Python?

...ib.request contents = urllib.request.urlopen("http://example.com/foo/bar").read() Python 2: import urllib2 contents = urllib2.urlopen("http://example.com/foo/bar").read() Documentation for urllib.request and read. share...
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How do I read all classes from a Java package in the classpath?

I need to read classes contained in a Java package. Those classes are in classpath. I need to do this task from a Java program directly. Do you know a simple way to do? ...
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Is file append atomic in UNIX?

...2) after every write, but that's terrible for performance. Clarification: read the comments and Oz Solomon's answer. I'm not sure that O_APPEND is supposed to have that PIPE_BUF size atomicity. It's entirely possible that it's just how Linux implemented write(), or it may be due to the underlying f...
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Handling JSON Post Request in Go

... single object. It is not more efficient for a single JSON object since it reads the entire object into memory. It has a downside that if garbage is included after the object it will not complain. Depending on a few factors, json.Decoder may not fully read the body and the connection will be ineligi...
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Linux: is there a read or recv from socket with timeout?

How can I try to read data from socket with timeout? I know, select, pselect, poll, has a timeout field, but using of them disables "tcp fast-path" in tcp reno stack. ...
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Combine Date and Time columns using python pandas

... It's worth mentioning that you may have been able to read this in directly e.g. if you were using read_csv using parse_dates=[['Date', 'Time']]. Assuming these are just strings you could simply add them together (with a space), allowing you to apply to_datetime: In [11]: df['...