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Javascript objects: get parent [duplicate]
...rences to the same object.
You could also do:
var obj = { subObj: {foo: 'hello world'} };
var obj2 = {};
obj2.subObj = obj.subObj;
var s = obj.subObj;
You now have three references, obj.subObj, obj2.subObj, and s, to the same object. None of them is special.
...
write a shell script to ssh to a remote machine and execute commands
...iming out.
Example & Usage:
Connect to host1 and host2, and print "hello, world" from each:
pssh -i -H "host1 host2" echo "hello, world"
Run commands via a script on multiple servers:
pssh -h hosts.txt -P -I<./commands.sh
Usage & run a command without checking or saving ho...
How to avoid reinstalling packages when building Docker image for Python projects?
...r code files at . were changed or not. Here's an example.
Here's a simple Hello, World! program:
$ tree
.
├── Dockerfile
├── requirements.txt
└── run.py
0 directories, 3 file
# Dockerfile
FROM dockerfile/python
WORKDIR /srv
ADD ./requirements.txt /srv/requirements.txt
RUN pi...
Best way to store JSON in an HTML attribute?
...8 -> \u2028
U+2029 -> \u2029
So the JSON string value for the text Hello, <World>! with a newline at the end would be "Hello, \u003cWorld\u003e!\r\n".
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...
Regular expression to allow spaces between words
...s, " ".
A string that leads and / or trails with spaces, " Hello World ".
A string that contains multiple spaces in between words, "Hello World".
Originally I didn't think such details were worth going into, as OP was asking such a basic question that it seemed strictness w...
How to position text over an image in css
....edu/image_gallery/images/d4/androa.jpg" />
<p id="text">
Hello World!
</p>
</div>
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Fastest way to check if a value exists in a list
...y to test substring membership. The confusing part here is probably that ("hello") is not a single-value tuple, while ("hello",) is -- the comma makes the difference. o in ("--skip-ias",) is False as expected.
– MoxieBall
May 23 '18 at 21:58
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Can we have functions inside functions in C++?
...
std::cout << message << "\n";
};
// Prints "Hello!" 10 times
for(int i = 0; i < 10; i++) {
print_message("Hello!");
}
}
Lambdas can also modify local variables through **capture-by-reference*. With capture-by-reference, the lambda has access to al...
Ruby combining an array into one string
...
Here's my solution:
@arr = ['<p>Hello World</p>', '<p>This is a test</p>']
@arr.reduce(:+)
=> <p>Hello World</p><p>This is a test</p>
s...
Call a python function from jinja2
... Flask, put this in your __init__.py:
def clever_function():
return u'HELLO'
app.jinja_env.globals.update(clever_function=clever_function)
and in your template call it with {{ clever_function() }}
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