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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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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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Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
...ts of people have lots of different opinions about this. Currently it's $0.05/hr for a dyno hour, compared to $0.025/hr for an AWS micro instance or $0.09/hr for an AWS small instance.
Heroku's dyno documentation says you have about 512MB of RAM, so it's probably not too unreasonable to consider a ...
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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Multiple ModelAdmins/views for same model in Django admin
...need to hack around things for just 2 lines that checks that and throws an error :s. Great answer still!
– Hassek
Nov 4 '11 at 17:20
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How do I update an NPM module that I published?
...ion in the package.json still resulted in the "You cannot publish over..." error.
The steps to resolve were (based on ops version number):
npm version 0.0.2
npm publish
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What is the email subject length limit?
...rt trying to do your own folding all bets are off. It will start reporting errors. So if you are having this issue just filter out the CR,LF,HTAB and let the library do the work for you. You can usually also set the encoding text type as a separate field. No need for iso encoding in the subject line...