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Converting Java objects to JSON with Jackson
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This might be useful:
objectMapper.writeValue(new File("c:\\employee.json"), employee);
// display to console
Object json = objectMapper.readValue(
objectMapper.writeValueAsString(employee), Object.class);
System.out.println(objectMapper.writerWithDefaultPrettyPrinter...
Assigning variables with dynamic names in Java
.... If you use BCEL or ASM, you can "declare" the variables in the bytecode file. But don't do it! That way lies madness!
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Numeric for loop in Django templates
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Also create an empty file _ init _.py in templatetags directory. Also add these line to top of my_filters.py from django.template import Library;register = Library()
– Ajeeb.K.P
Mar 23 '15 at 5:42
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error: command 'gcc' failed with exit status 1 while installing eventlet
... solved my problem too. unable to execute 'gcc': No such file or directory error: command 'gcc' failed with exit status 1
– Jason Goal
Aug 1 '18 at 14:30
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How do I generate random numbers in Dart?
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You are better off reading /dev/urandom with the File class if you want cryptographically strong random numbers.
– Tower
Aug 2 '12 at 6:27
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Select last row in MySQL
...sus select max(id). The primary key is how data is ordered in the database files (for InnoDB at least), and the RDBMS knows where that data ends, and it can optimize order by id + limit 1 to be the same as reach the max(id)
Now the road less traveled is when you don't have an autoincremented primar...
Serializing with Jackson (JSON) - getting “No serializer found”?
... @DanRobinson I used same. But actually I am generating yaml file. so for the JSONString as : {"term":{"call_failed":"true"}} it is generating yaml structure as: filter: map: term: map: call_failed: "true" Why it is generating map keyword? How can I remove it ?
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how to display full stored procedure code?
...al source code of the function for interpreted languages, a link symbol, a file name, or just about anything else, depending on the implementation language/call convention
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jQuery post() with serialize and extra data
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An alternative solution, in case you are needing to do this on an ajax file upload:
var data = new FormData( $('#form')[0] ).append( 'name' , value );
OR even simpler.
$('form').on('submit',function(e){
e.preventDefault();
var data = new FormData( this ).append('name', value );
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SQL Server Configuration Manager not found
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@OldGeezer me too! BTW, I liked your profile message about what to know/don't know/should know... :D
– Leniel Maccaferri
May 15 '14 at 16:24
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