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Ignore fields from Java object dynamically while sending as JSON from Spring MVC
... java.util.Arrays;
import java.util.List;
import org.springframework.http.converter.json.MappingJacksonValue;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import com.fasterxml.jackson.databind.ser.FilterProvider;
import c...
Create an empty list in python with certain size
...ate a list.
... s1.append(i)
... return s1
...
>>> print display()
[0, 1, 2, 3, 4, 5, 6, 7, 8]
List comprehension (Using the squares because for range you don't need to do all this, you can just return range(0,9) ):
>>> def display():
... return [x**2 for x in r...
Why are interface variables static and final by default?
Why are interface variables static and final by default in Java?
15 Answers
15
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Should I initialize variable within constructor or outside constructor [duplicate]
...
@Cromm yes, you can do that, but my point is that it is not a good practice, in my opinion: - if you have a logic, that is not related to actual construction, - if your logic can cause an exception, then you are opening a door to a potential usage of incomplete ...
How to annotate MYSQL autoincrement field with JPA annotations
Straight to the point, problem is saving the object Operator into MySQL DB.
Prior to save, I try to select from this table and it works, so is connection to db.
...
What's the bad magic number error?
...hex value of first two bytes. In my case, these were 03 f3.
Open calc and convert its display mode to Programmer (Scientific in XP) to see Hex and Decimal conversion. Select "Hex" from Radio button. Enter values as second byte first and then the first byte i.e f303 Now click on "Dec" (Decimal) radi...
Get a filtered list of files in a directory
...ke of passing a string instead of a list. For example if you accidentally convert a string to a list and end up checking against all the characters of a string, you could end up getting a slew of false positives.
But it's better to have a problem that's easy to fix than a solution that's hard to u...
PostgreSQL: How to make “case-insensitive” query
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Use LOWER function to convert the strings to lower case before comparing.
Try this:
SELECT id
FROM groups
WHERE LOWER(name)=LOWER('Administrator')
share
|
...
Improve INSERT-per-second performance of SQLite
...o faster. For instance, if you have key value pairs, try making the key an INTEGER PRIMARY KEY if possible, which will replace the implied unique row number column in the table.
If you are using multiple threads, you can try using the shared page cache, which will allow loaded pages to be shared bet...
How to enable/disable bluetooth programmatically in android
...ission it's work but if not you need to use startActivityForResult(enableBtIntent, 0); to enable your bluetooth
– Majid Golshadi
Jan 11 '14 at 14:17
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