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Java List.contains(Object with field value equal to x)
...s, you can check to see if a Collection contains a MyObject with the name "foo" by like so:
MyObject object = new MyObject();
object.setName("foo");
collection.contains(object);
However, this might not be an option for you if:
You are using both the name and location to check for equality, but ...
rsync: how can I configure it to create target directory on server?
...er than the file, at the endpoint you provide on the server. Normally /tmp/foo/bar/file.c to remote:/tmp would produce remote:/tmp/file.c but with -R it creates /tmp/foo/bar/file.c Don't use this option unless you know what you are doing, you will get a really messy directory structure.
...
JavaScript OR (||) variable assignment explanation
...lsy, otherwise the value of the first operand is returned.
For example:
"foo" || "bar"; // returns "foo"
false || "bar"; // returns "bar"
Falsy values are those who coerce to false when used in boolean context, and they are 0, null, undefined, an empty string, NaN and of course false.
...
Input with display:block is not a block, why not?
...;![endif]-->
</head>
<body>
<form name="foo" action="#">
<div class="bb">div</div>
<input class="bb" size="20" name="bar" value="field">
</form>
</body>
</html>
This solution supports Inte...
How to delete or add column in SQLITE?
...---
0 john doe 20 170
1 foo bar 25 171
Now you want to remove the column height from this table.
Create another table called new_person
sqlite> CREATE TABLE new_person(
...> id INTEGER PRIMARY KEY,
...
How to keep environment variables when using sudo
...efully, and pay attention to the -E flag. This works:
$ export HTTP_PROXY=foof
$ sudo -E bash -c 'echo $HTTP_PROXY'
Here is the quote from the man page:
-E, --preserve-env
Indicates to the security policy that the user wishes to preserve their
existing environment varia...
Design patterns or best practices for shell scripts [closed]
...ngful names. declare the variables inside the function as local:
function foo {
local bar="$0"
}
Error prone situations
In bash, unless you declare otherwise, an unset variable is used as an empty string. This is very dangerous in case of typo, as the badly typed variable will not be reported...
Is it possible to create a multi-line string variable in a Makefile
... in the command part
[This does not work, see comment from MadScientist]
foo:
echo <<EOF
Here is a multiple line text
with embedded newlines.
EOF
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How are Anonymous inner classes used in Java?
...);
}
};
}
3.)Argument Defined Anonymous inner class:
interface Foo {
void methodFoo();
}
class B{
void do(Foo f) { }
}
class A{
void methodA() {
B b = new B();
b.do(new Foo() {
public void methodFoo() {
System.out.println("methodFoo");
}
...
How do I reload .bashrc without logging out and back in?
...and back out. Say you had the following line in .bashrc: export PATH=$PATH:foo, and then you change it to export PATH=$PATH:bar. If you log in and back out, only bar will be in the PATH, but if you do what you suggest, both foo and bar will be in the PATH. Do you know of a way around this?
...