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Why are the Level.FINE logging messages not showing?
...
The Why
java.util.logging has a root logger that defaults to Level.INFO, and a ConsoleHandler attached to it that also defaults to Level.INFO.
FINE is lower than INFO, so fine messages are not displayed by default.
Solution 1
Create a logger for your wh...
Error pushing to GitHub - insufficient permission for adding an object to repository database
...new files created by another user to maintain the group permissions of the root directory. Otherwise, you'll have errors pushing up to the repository. See setuid and setgid
– syvex
Jul 7 '11 at 17:05
...
How to print binary tree diagram?
... private static Node<Integer> test1() {
Node<Integer> root = new Node<Integer>(2);
Node<Integer> n11 = new Node<Integer>(7);
Node<Integer> n12 = new Node<Integer>(5);
Node<Integer> n21 = new Node<Integer>(2);
...
Linux的诞生和发展 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...自己的操作系统，到最初Linux 内核0.01 版公布，以及从此如何艰难地一步一个脚印地在全世界hacker 的帮助下最后推出比较完善的1.0 版本这段时间的发展经过，也即对Linux 的早期发展历史进行详细介绍。
对于Linux的一般发...
File name? Path name? Base name? Naming standard for pieces of a path
...users\OddThinking\Documents\My Source\Widget\foo.src
Vim calls it file root (:help filename-modifiers)
B) C:\users\OddThinking\Documents\My Source\Widget\foo.src
file name or base name
C) C:\users\OddThinking\Documents\My Source\Widget\foo.src (without dot)
file/name extension
D) C...
How Do I Use Factory Girl To Generate A Paperclip Attachment?
...oryBot.define do
factory :user do
avatar { fixture_file_upload(Rails.root.join('spec', 'photos', 'test.png'), 'image/png') }
end
end
In the above example, spec/photos/test.png needs to exist in your application's root directory before running your tests.
Note, that FactoryBot is a new nam...
No @XmlRootElement generated by JAXB
...nted at, the rules by which JAXB XJC decides whether or not to put the @XmlRootElement annotation on a generated class are non trivial (see this article).
@XmlRootElement exists because the JAXB runtime requires certain information in order to marshal/unmarshal a given object, specifically the XML ...
MongoDB - admin user not authorized
...ad around the same issue, and everything worked after I set the role to be root when adding the first admin user.
use admin
db.createUser(
{
user: 'admin',
pwd: 'password',
roles: [ { role: 'root', db: 'admin' } ]
}
);
exit;
If you have already created the admin user, you can chan...
T-SQL: Selecting rows to delete via joins
...
In MySQL you would get an error "Unknown table 'TableA' in MULTI DELETE" and that is because you declared an alias for TableA (a). Small adjustment: DELETE a FROM TableA a INNER JOIN TableB b on b.Bid = a.Bid and [my filter cond...
What is the difference between ApplicationContext and WebApplicationContext in Spring MVC?
...let Spring application are Web Application contexts, this goes both to the root webapp context and the servlet's app context.
Also, depending on web application context capabilities may make your application a little harder to test, and you may need to use MockServletContext class for testing.
Dif...