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How to create a MySQL hierarchical recursive query
I have a MySQL table which is as follows:
15 Answers
15
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How to iterate over the keys and values in an object in CoffeeScript?
...
with your convention, arr is an array, but "foo" is a property of this array, it is not an indexed value.
If you want to store your data the indexed values of an array, you should have written :
arr1 = []
arr1[0] = "Bar"
arr1[1] = "Foo"
or if you want an associative...
How does “cat
...gn multi-line string to a shell variable
$ sql=$(cat <<EOF
SELECT foo, bar FROM db
WHERE foo='baz'
EOF
)
The $sql variable now holds the new-line characters too. You can verify with echo -e "$sql".
2. Pass multi-line string to a file in Bash
$ cat <<EOF > print.sh
#!/bin/bash
e...
wildcard * in CSS for classes
...s attribute contains multiple substrings? Maybe something like div[class*="foo"][class="bar"]?
– Connor
Jun 22 '17 at 14:30
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TypeLoadException says 'no implementation', but it is implemented
...nting that method. The following code illustrates that:
public interface IFoo
{
void DoFoo();
}
public class Foo : IFoo
{
public void DoFoo() { Console.WriteLine("This is _not_ the interface method."); }
void IFoo.DoFoo() { Console.WriteLine("This _is_ the interface method."); }
}
Foo...
How do I show the changes which have been staged?
...lly the case with any git explanation). If you have local modifications to foo.c and do not perform git add foo.c, then foo.c is not in the index; it is not staged for commit. If git diff foo.c naively compared to the working foo.c to the index, then it would have to show a giant diff between an emp...
When to encode space to plus (+) or %20?
...ded content, such as the query part of a URL:
http://www.example.com/path/foo+bar/path?query+name=query+value
In this URL, the parameter name is query name with a space and the value is query value with a space, but the folder name in the path is literally foo+bar, not foo bar.
%20 is a valid wa...
How do I go straight to template, in Django's urls.py?
...h
from django.views.generic import TemplateView
urlpatterns = [
path('foo/', TemplateView.as_view(template_name='foo.html'))
]
https://docs.djangoproject.com/en/2.0/ref/class-based-views/base/#templateview
Django 1.5+
Use the class based generic views.
from django.views.generic import Temp...
Batch renaming files with Bash
...sion numbers? I've been toying around with both expr and %% , to no avail.
10 Answers
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Is there a way to create a function from a string with javascript?
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Dynamic function names in JavaScript
Using Function
var name = "foo";
// Implement it
var func = new Function("return function " + name + "(){ alert('hi there!'); };")();
// Test it
func();
// Next is TRUE
func.name === 'foo'
Source: http://marcosc.com/2012/03/dynamic-function-names-in-...