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How do I convert a Ruby class name to a underscore-delimited symbol?
...ith a method called underscore that will allow you to transform CamelCased strings into underscore_separated strings. So you might be able to do this:
FooBar.name.underscore.to_sym
But you will have to install ActiveSupport just to do that, as ipsum says.
If you don't want to install ActiveSuppo...
Java, List only subdirectories from a directory, not files
...lass to list the directories.
File file = new File("/path/to/directory");
String[] directories = file.list(new FilenameFilter() {
@Override
public boolean accept(File current, String name) {
return new File(current, name).isDirectory();
}
});
System.out.println(Arrays.toString(directories...
How to serialize Joda DateTime with Jackson JSON processor?
...2)
throws IOException, JsonProcessingException {
gen.writeString(formatter.print(value));
}
}
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Changing CSS Values with Javascript
... * If value is given, the value is changed and returned
* If '' (empty string) is given, erases the value.
* The browser will apply the default one
*
* string stylesheet: part of the .css name to be recognized, e.g. 'default'
* string selectorText: css selector, e.g. '#myId', '.myClass'...
Are there any CSV readers/writer libraries in C#? [closed]
... @Zimano Not true. You can read individual fields or even just get a string array for the row. Check out the documentation. joshclose.github.io/CsvHelper
– Josh Close
Oct 4 '19 at 15:55
...
How to implement a ViewPager with different Fragments / Layouts
...ew) v.findViewById(R.id.tvFragFirst);
tv.setText(getArguments().getString("msg"));
return v;
}
public static FirstFragment newInstance(String text) {
FirstFragment f = new FirstFragment();
Bundle b = new Bundle();
b.putString("msg", text);
...
Programmatically shut down Spring Boot application
...means closing the underlying ApplicationContext. The SpringApplication#run(String...) method gives you that ApplicationContext as a ConfigurableApplicationContext. You can then close() it yourself.
For example,
@SpringBootApplication
public class Example {
public static void main(String[] arg...
Parsing CSV files in C#, with header
...rs(",");
while (!parser.EndOfData)
{
//Process row
string[] fields = parser.ReadFields();
foreach (string field in fields)
{
//TODO: Process field
}
}
}
The docs are here - TextFieldParser Class
P.S. If you need a CSV exporter, try C...
Error: “dictionary update sequence element #0 has length 1; 2 is required” on Django 1.4
... the given positional argument as the keyword argument kwargs, and since a string is an iterable, an atypical code path begins to unfold. Always use name= on your urls!
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I want to get Year, Month, Day, etc from Java Date to compare with Gregorian Calendar date in Java.
... could do something like this, it will explain how the Date class works.
String currentDateString = "02/27/2012 17:00:00";
SimpleDateFormat sd = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss");
Date currentDate = sd.parse(currentDateString);
String yourDateString = "02/28/2012 15:00:00";
SimpleDateFo...