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Combine two columns of text in pandas dataframe
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Which version of pandas are you using? I get ValueError: Did you mean to supply a sep keyword? in pandas-0.23.4. Thanks!
– Qinqing Liu
Dec 5 '18 at 20:56
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How does one generate a random number in Apple's Swift language?
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I got compiler error message: random is unavailable in Swift: Use arc4random instead.
– Mike Keskinov
Aug 15 '17 at 15:39
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Why is an array not assignable to Iterable?
...c = new List<int> { 1, 2, 3, 4 };
IReadOnlyList<int> d = c; // error
Maybe there is a possible backward compatibility gotcha with such a change.
If there's any progress on similar things in newer versions of Java, I'd be interested to know in the comments! :)
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How do you check if a variable is an array in JavaScript? [duplicate]
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This gives me the error SCRIPT65535 in IE10.
– polm23
May 27 '14 at 9:21
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Difference between as.POSIXct/as.POSIXlt and strptime for converting character vectors to POSIXct/PO
...lso be a bit safer in that being handed unexpected data would just give an error, instead of trying to do the intelligent thing that might not be what you want.
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How to sort two lists (which reference each other) in the exact same way
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I get an error running your example: TypeError: only integer arrays with one element can be converted to an index (Python 2.7.6, numpy 1.8.2). To fix it, list1 and list2 must be declared as numpy arrays.
– BenB
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When to use Windows Workflow Foundation? [closed]
...d project from a consultant which used WF as its backbone. It was prone to errors, corrupted workflows that can't be restarted, an archaic versioning system that requires a complete duplicate of the workflow for any minor changes, horrific generated code, and such a delicate code that you have to ha...
Correct way to quit a Qt program?
...e you can provide a non-zero returnCode which, by convention, indicates an error.
It is important to note that "if the event loop is not running, this function (QCoreApplication::exit()) does nothing", so in that case you should call exit(EXIT_FAILURE).
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Creating .pem file for APNS?
...ure.
Note: if you don’t enter a PEM passphrase, openssl will not give an error message but the generated .pem file will not have the private key in it.
Finally, combine the certificate and key into a single .pem file:
$ cat PushChatCert.pem PushChatKey.pem > ck.pem
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Where is the C auto keyword used?
...(auto versus extrn). If you do not use one or the other, you have a syntax error. That is to say, x, y; is not a declaration by itself, but auto x, y; is.
Since code bases written in B had to be ported to NB and to C as the language was developed, the newer versions of the language carried some bag...