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How to change collation of database, table, column?
The database is latin1_general_ci now and I want to change collation to utf8mb4_general_ci .
19 Answers
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How to comment out a block of Python code in Vim
...tley honestly I think I just followed a pattern without thinking about it. Now I'm surprised # vs / didn't come up sooner. Changed the answer based on common sense. Thanks!
– cdated
Sep 28 '16 at 20:30
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Rendering a template variable as HTML
... I think I got the wrong end of the stick here, but I leave the answer for now.
– Marcus Whybrow
Jan 31 '11 at 7:50
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Access data in package subdirectory
...th modules that need to open data files in a ./data/ subdirectory. Right now I have the paths to the files hardcoded into my classes and functions. I would like to write more robust code that can access the subdirectory regardless of where it is installed on the user's system.
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...our validation data a number of times, and observe performance. You should now find that the mean performance on small samples of your validation data is roughly the same as the performance on all the validation data, but the variance is much higher with smaller numbers of test samples
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Elegant solution to duplicate, const and non-const, getters? [duplicate]
...d coupling (ooh-er!). But I will not attempt the syntax for doing so right now. Feel free to add.
Chances are that BigChunk needs to deference self, in which case the above order of definition isn't going to work very well, and some forward declarations will be needed to sort it out.
Also, in orde...
Insert line break inside placeholder attribute of a textarea?
I have tried a few approaches but none worked. Does anyone know a the nifty trick to get around this?
21 Answers
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How to parse JSON in Java
...ayList<String> comments;
private String timeOfPost;
}
Parsing
Now you can parse using Gson library:
MyModel model = gson.fromJson(jsonString, MyModel.class);
Gradle import
Remember to import the library in the app Gradle file
implementation 'com.google.code.gson:gson:2.8.6' // or e...
Trust Store vs Key Store - creating with keytool
...responds by providing a SSL certificate (which is stored in its keyStore)
Now, the client receives the SSL certificate and verifies it via trustStore (i.e the client's trustStore already has pre-defined set of certificates which it trusts.). Its like : Can I trust this server ? Is this the same ser...
Officially, what is typename for?
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Unfortunately, the compiler is not required to be psychic, and doesn't know whether T::sometype will end up referring to a type name or a static member of T. So, one uses typename to tell it:
template<class T> somefunction( T * arg )
{
typename T::sometype x; // works!
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