大约有 45,000 项符合查询结果(耗时:0.0503秒) [XML]
python pandas: apply a function with arguments to a series
...andas do allow you to pass extra arguments (see the new documentation). So now you can do:
my_series.apply(your_function, args=(2,3,4), extra_kw=1)
The positional arguments are added after the element of the series.
For older version of pandas:
The documentation explains this clearly. The app...
Why are Oracle table/column/index names limited to 30 characters?
...understand that many years ago there would be this kind of limitation, but nowadays surely this limit could easily be increased. We have naming conventions for objects, but there is always a case that turns up where we hit this limit - especially in naming foreign keys.
...
How to resolve “must be an instance of string, string given” prior to PHP 7?
...
As of PHP 7.0 type declarations allow scalar types, so these types are now available: self, array, callable, bool, float, int, string. The first three were available in PHP 5, but the last four are new in PHP 7. If you use anything else (e.g. integer or boolean) that will be interpreted as a cla...
Importing CommonCrypto in a Swift framework
...rch paths defined at the project or xcconfig level.
That's it, you should now be able to import CommonCrypto
Update for Xcode 10
Xcode 10 now ships with a CommonCrypto module map making this workaround unnecessary. If you would like to support both Xcode 9 and 10 you can do a check in the Run Scr...
How do you install an APK file in the Android emulator?
I finally managed to obfuscate my Android application, now I want to test it by installing the APK file and running it on the emulator.
...
Where can I find the IIS logs?
...
Excellent! Now I've got logs, at least. Too bad they did not really give me the answers I was hoping for, but at least I learned something. Thanks again!
– Kjartan
Jun 21 '11 at 14:31
...
SHA-1 fingerprint of keystore certificate
...
It now appears under "Gradle Console" tab from Android studio 2.2.3
– Irfan Raza
Dec 18 '16 at 1:58
...
Error 1022 - Can't write; duplicate key in table
...out this sort of thing when I opened the project.
– SnowInferno
Oct 1 '14 at 0:17
Thank you, mate :) That helps me a l...
How can I pass a member function where a free function is expected?
...@DorkyEngineer That's pretty weird, I think you must be right but I don't know how that error could have gone unnoticed for so long. Anyway, I've edited the answer now.
– Matt Phillips
Apr 9 '15 at 7:11
...
Creating C formatted strings (not printing them)
...ad written
char s[42];
you would be in deep trouble, because you can't know what number to put into the brackets.
Even if you had used the "safe" variant snprintf(), you would still run the danger that your strings gets truncated. When writing to a log file, that is a relatively minor concern, bu...