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Remove unwanted parts from strings in a column
I am looking for an efficient way to remove unwanted parts from strings in a DataFrame column.
9 Answers
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How do I parse an ISO 8601-formatted date?
I need to parse RFC 3339 strings like "2008-09-03T20:56:35.450686Z" into Python's datetime type.
27 Answers
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Is it possible to “await yield return DoSomethingAsync()”
...perations into a single Task which can be awaited.
Task<IEnumerable<string>> DownLoadAllUrls(string[] urls)
{
return Task.WhenAll(from url in urls select DownloadHtmlAsync(url));
}
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Greedy vs. Reluctant vs. Possessive Quantifiers
...quantifier first matches as much as possible. So the .* matches the entire string. Then the matcher tries to match the f following, but there are no characters left. So it "backtracks", making the greedy quantifier match one less character (leaving the "o" at the end of the string unmatched). That s...
Remove file extension from a file name string
If I have a string saying "abc.txt" , is there a quick way to get a substring that is just "abc" ?
12 Answers
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StringIO in Python3
I am using Python 3.2.1 and I can't import the StringIO module. I use
io.StringIO and it works, but I can't use it with numpy 's genfromtxt like this:
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How to parse date string to Date? [duplicate]
How do I parse the date string below into a Date object?
6 Answers
6
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Make an HTTP request with android
...yteArrayOutputStream();
response.getEntity().writeTo(out);
String responseString = out.toString();
out.close();
//..more logic
} else{
//Closes the connection.
response.getEntity().getContent().close();
throw new IOException(statusLine.getR...
Best content type to serve JSONP?
...bservice that when called without specifying a callback will return a JSON string using application/json as the content type.
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How do I prevent the modification of a private field in a class?
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You must return a copy of your array.
public String[] getArr() {
return arr == null ? null : Arrays.copyOf(arr, arr.length);
}
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