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How do I “decompile” Java class files? [closed]
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It now offers SaaS where you upload the .class file to the cloud and it returns you the decompiled code. Worked for a simple POJO.
– Salvador Valencia
Sep 15 '17 at 20:43
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How to calculate the angle between a line and the horizontal axis?
...aX*deltaX+deltaY*deltaY)), unless the length is 0.
After that, deltaX will now be the cosine of the angle between the vector and the horizontal axis (in the direction from the positive X to the positive Y axis at P1).
And deltaY will now be the sine of that angle.
If the vector's length is 0, it won...
git rebase, keeping track of 'local' and 'remote'
...mits on the new 'our' B branch:
x--x..x..x..x <- old "theirs" commits, now "ghosts", available through reflogs
\
\
\--y--y--y--x'--x'--x'(*) <- branch B with HEAD updated ("ours")
^
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upstream branch
Note: the "upstream" notion is the ...
Factory pattern in C#: How to ensure an object instance can only be created by a factory class?
...ctor (since it's part of the class anyway). it's even WORSE, since you can now get a null return value, opening up for NREs and "what the hell does this null mean?" questions.
– sara
Dec 28 '15 at 9:44
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Current location permission dialog disappears too quickly
...from being a method-level variable to be a class-level instance variable. Now the CLLocationManager instance is only released once the class is unloaded.
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How to find out the MySQL root password
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thanks to @thusharaK I could reset the root password without knowing the old password.
On ubuntu I did the following:
sudo service mysql stop
sudo mysqld_safe --skip-grant-tables --skip-syslog --skip-networking
Then run mysql in a new terminal:
mysql -u root
And run the following...
How to set Java environment path in Ubuntu
... java
java: /usr/bin/java /usr/share/java /usr/share/man/man1/java.1.gz
Now dig deeper-
$ ls -l /usr/bin/java
lrwxrwxrwx 1 root root 46 Aug 25 2018 /etc/alternatives/java -> /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
Dig deeper:
$ ls -l /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
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Create new user in MySQL and give it full access to one database
...de/site accessing MySQL on the same machine, hostname would be localhost.
Now, the break down.
GRANT - This is the command used to create users and grant rights to databases, tables, etc.
ALL PRIVILEGES - This tells it the user will have all standard privileges. This does not include the privileg...
HtmlString vs. MvcHtmlString
...s a compatibility shim added to MVC 2 to support both .NET 3.5 and .NET 4. Now that MVC 3 is .NET 4 only, it's a fairly trivial subclass of HtmlString presumably for MVC 2->3 for source compatibility.
If you're ever going to drop back to MVC 2 it might make sense to use IHtmlString or var for va...
Pass props to parent component in React.js
...ole app much harder to reason about.
Edit: ES6 examples
As many people now use ES6, here are the same examples for ES6 syntax
The child can be very simple:
const Child = ({
onClick,
text
}) => (
<button onClick={onClick}>
{text}
</button>
)
The parent can be eithe...