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Ansible: Set variable to file content
...om the docs:
- hosts: all
vars:
contents: "{{ lookup('file', '/etc/foo.txt') }}"
tasks:
- debug: msg="the value of foo.txt is {{ contents }}"
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Value of type 'T' cannot be converted to
...For example the code shown below gives this compile error.
public class Foo <T> {
T var;
public <T> void doSomething(Class <T> cls) throws InstantiationException, IllegalAccessException {
this.var = cls.newInstance();
}
}
This code does compile (note T r...
How can I use pickle to save a dict?
...
import pickle
your_data = {'foo': 'bar'}
# Store data (serialize)
with open('filename.pickle', 'wb') as handle:
pickle.dump(your_data, handle, protocol=pickle.HIGHEST_PROTOCOL)
# Load data (deserialize)
with open('filename.pickle', 'rb') as handle...
pretty-print JSON using JavaScript
...s + '">' + match + '</span>';
});
}
var obj = {a:1, 'b':'foo', c:[false,'false',null, 'null', {d:{e:1.3e5,f:'1.3e5'}}]};
var str = JSON.stringify(obj, undefined, 4);
output(str);
output(syntaxHighlight(str));
pre {outline: 1px solid #ccc; padding: 5px; margin: 5px; }
.string...
using data-* attribute with thymeleaf
...n I prefer, if I want to use json as the value, instead of:
th:attr="data-foobar='{&quot;foo&quot:'+${bar}+'}'"
You can use (in combination with literal substitution):
th:data-foobar='|{"foo":${bar}}|'
Update: If you don't like the th namespace, you can also use HTML5 friendly attribut...
Differences in string compare methods in C#
...on is the following will throw an exception:
string a = null;
string b = "foo";
bool equal = a.Equals(b);
And the following will not:
string a = null;
string b = "foo";
bool equal = a == b;
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Why is jquery's .ajax() method not sending my session cookie?
...s: Access-Control-Allow-Origin: *
So when the request is:
Origin: http://foo.example
Cookie: pageAccess=2
Server should respond with:
Access-Control-Allow-Origin: http://foo.example
Access-Control-Allow-Credentials: true
[payload]
Otherwise payload won't be returned to script. See: https://d...
Find files containing a given text
...rkowski This way fastest more than 5 or 8 times # egrep -ir --include=file.foo "(foo|bar)" /dir on ~500Gb weigth directory.
– Qh0stM4N
Jan 24 '18 at 13:55
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How do I retrieve an HTML element's actual width and height?
...y belong to the element, not .style.
var width = document.getElementById('foo').offsetWidth;
Function .getBoundingClientRect() returns dimensions and location of element as floating-point numbers after performing CSS transforms.
> console.log(document.getElementById('id').getBoundingClientRect...
Group by multiple columns in dplyr, using string vector input
...ot the character versions of the names, but how you would refer to them in foo$bar; bar is not quoted here. Or how you'd refer to variables in a formula: foo ~ bar.
@Arun also mentions that you can do:
df %.%
group_by("asdfgfTgdsx", "asdfk30v0ja") %.%
summarise(Value = mean(value))
But y...