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What JSON library to use in Scala? [closed]
I need to build a JSON string, something like this:
15 Answers
15
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Why are only final variables accessible in anonymous class?
...c final int a = 3;
or as a local variable, like
public static void main(String[] args)
{
final int a = 3;
If you want to access and modify a variable from an anonymous class, you might want to make the variable a class-level variable in the enclosing class.
public class Test
{
public int a;
...
Parse a .py file, read the AST, modify it, then write back the modified source code
...de="exec"))
Hello Python!!
You can parse the python code (represented in string) by simply calling the API ast.parse(). This returns the handle to Abstract Syntax Tree (AST) structure. Interestingly you can compile back this structure and execute it as shown above.
Another very useful API is ast....
Get ID of last inserted document in a mongoDB w/ Java driver
...
In MongoTemplate.class has a method
protected <T> void doInsert(String collectionName, T objectToSave, MongoWriter<T> writer) {
assertUpdateableIdIfNotSet(objectToSave);
initializeVersionProperty(objectToSave);
maybeEmitEvent(new BeforeConvertEvent<T>(objectToSa...
Use RSA private key to generate public key?
...d mykey.pem file.
openssl rsa -in mykey.pem -pubout > mykey.pub
will extract the public key and print that out. Here is a link to a page that describes this better.
EDIT: Check the examples section here. To just output the public part of a private key:
openssl rsa -in key.pem -pubout -out p...
How can I find script's directory with Python? [duplicate]
...ehaviour as, that python command does not exist within a file but inside a string which you pass to the interpreter
– Har
Apr 14 '15 at 8:15
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An example of how to use getopts in bash
...
#!/bin/bash
usage() { echo "Usage: $0 [-s <45|90>] [-p <string>]" 1>&2; exit 1; }
while getopts ":s:p:" o; do
case "${o}" in
s)
s=${OPTARG}
((s == 45 || s == 90)) || usage
;;
p)
p=${OPTARG}
...
What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?
...ay, now I see. Usually the file that you "optimize away" serve for loading extra stuff like find_dependency. I think it's a good template to start so I will keep it even it's not used in fact. The rest of the code looks more simplier because you're missing some functionality like version, export for...
Why does ReSharper tell me “implicitly captured closure”?
...);
this.button1.Click += (sender, args) => this.label1.Text = i++.ToString();
this.button2.Click += (sender, args) => this.label1.Text = (g.Next() + i).ToString();
}
I get an "Implicitly captured closure: g" warning at the first lambda. It is telling me that g cannot be garbage colle...
How to make an AJAX call without jQuery?
...be more convenient than a 'simple' callback? Is this convenience worth the extra effort to transpile it for old browser support?
– lennyklb
Apr 24 '17 at 12:13
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