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How Do I Document Packages in Java?
...java file and provide a standard javadoc style comment for a package:
com/foo/package-info.java:
/**
* com.foo is a group of bar utils for operating on foo things.
*/
package com.foo;
//rest of the file is empty
Language specification for packages
...
Why are C++ inline functions in the header?
...ultiple variations of. In order for the compiler to be able to e.g. make a Foo<int>::bar() function when you use the Foo template to create a Foo class, the actual definition of Foo<T>::bar() must be visible.
sha...
Loop through all nested dictionary values?
...e.
Similarly, you get an infinite loop with this implementation from Fred Foo:
def myprint(d):
stack = list(d.items())
while stack:
k, v = stack.pop()
if isinstance(v, dict):
stack.extend(v.items())
else:
print...
RESTfully design /login or /register resources?
... wants to look at his own profile and you want the URL to be prettier than foo.com/user/JRandomUser or foo.com/user/(JRandom's numeric user id here), you could make a separate URL just for a user to look at their own information:
GET foo.com/profile /*examines cookies to figure out who
...
Javascript dynamically invoke object method from string
...
if the name of the property is stored in a variable, use []
foo[method]();
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What is the difference between char s[] and char *s?
...
First off, in function arguments, they are exactly equivalent:
void foo(char *x);
void foo(char x[]); // exactly the same in all respects
In other contexts, char * allocates a pointer, while char [] allocates an array. Where does the string go in the former case, you ask? The compiler secre...
How to make git mark a deleted and a new file as a file move?
...med and modified files that are uncommitted.
Let's say the file was named foo and now it's named bar:
Rename bar to a temp name:
mv bar side
Checkout foo:
git checkout HEAD foo
Rename foo to bar with Git:
git mv foo bar
Now rename your temporary file back to bar.
mv side bar
This last s...
How to store a command in a variable in a shell script?
...al -- "$@"
eval -- "$*"
"$@"
"$*"
}
Output:
$ printexec echo -e "foo\n" bar
$ echo -e foo\\n bar
foon bar
foon bar
foo
bar
bash: echo -e foo\n bar: command not found
As you can see, only the third one, "$@" gave the correct result.
...
Find where java class is loaded from
...
Here's an example:
package foo;
public class Test
{
public static void main(String[] args)
{
ClassLoader loader = Test.class.getClassLoader();
System.out.println(loader.getResource("foo/Test.class"));
}
}
This printed out...
Dealing with commas in a CSV file
...in double-quotes.
http://tools.ietf.org/html/rfc4180
So, to have values foo and bar,baz, you do this:
foo,"bar,baz"
Another important requirement to consider (also from the spec):
If double-quotes are used to enclose fields, then a double-quote
appearing inside a field must be escaped by...