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Curly braces in string in PHP
...echo "This works: {$arr[4][3]}";
// This is wrong for the same reason as $foo[bar] is wrong outside a string.
// In other words, it will still work, but only because PHP first looks for a
// constant named foo; an error of level E_NOTICE (undefined constant) will be
// thrown.
echo "This is wrong:...
How can I include a YAML file inside another?
...Loader)
Loader.add_constructor('!include', Loader.include)
An example:
foo.yaml
a: 1
b:
- 1.43
- 543.55
c: !include bar.yaml
bar.yaml
- 3.6
- [1, 2, 3]
Now the files can be loaded using:
>>> with open('foo.yaml', 'r') as f:
>>> data = yaml.load(f, Loader)
>...
How bad is shadowing names defined in outer scopes?
...unctions, modules or classes. Another scenario is that you import function foo at the top of your module, and use it somewhere in your function body. Then you add a new argument to your function and named it - bad luck - foo.
Finally, built-in functions and types also live in the same namespace an...
Parse a URI String into Name-Value Collection
...ted. System.out.println(URLEncodedUtils.parse(new URI("http://example.com/?foo=bar&foo=baz"), "UTF-8")); will print [foo=bar, foo=baz].
– Akihiro HARAI
Jun 2 '14 at 6:24
...
In a git merge conflict, what are the BACKUP, BASE, LOCAL, and REMOTE files that are generated?
...these files suitable for feeding into a typical 3-way merge tool. Thus:
foo.LOCAL: the "ours" side of the conflict - ie, your branch (HEAD) that will contain the results of the merge
foo.REMOTE: the "theirs" side of the conflict - the branch you are merging into HEAD
foo.BASE: the common ancestor...
Converting JSONarray to ArrayList
I am downloading a JSON string and converting it to JSONArray. Im putting it into a listview and need to be able to delete from that listview later, and since JSONArray has no .remove method (Thanks Obama), I am trying to convert it to an arraylist.
...
How to run a program without an operating system?
How do you run a program all by itself without an operating system running?
Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU?
...
What is a good use case for static import of methods?
... extends TestCase {
public void myMethodTest() {
assertEquals("foo", "bar");
}
}
In JUnit 4, test classes no longer need to extend TestCase and can instead use annotations. You can then statically import the assert methods from org.junit.Assert:
// new way
import static org.junit....
difference between each.with_index and each_with_index in Ruby?
... does the same thing, but has no optional starting index.
For example:
[:foo, :bar, :baz].each.with_index(2) do |value, index|
puts "#{index}: #{value}"
end
[:foo, :bar, :baz].each_with_index do |value, index|
puts "#{index}: #{value}"
end
Outputs:
2: foo
3: bar
4: baz
0: foo
1: bar
2...
Defining a HTML template to append using JQuery
...mplate" type="text/x-custom-template">
<tr>
<td>Foo</td>
<td>Bar</td>
<tr>
</script>
Using jQuery, adding rows based on the template would resemble:
var template = $('#hidden-template').html();
$('button.addRow').click(function...