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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...
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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How to print colored text in Python?
...le. Usage is pretty simple:
from termcolor import colored
print colored('hello', 'red'), colored('world', 'green')
Or in Python 3:
print(colored('hello', 'red'), colored('world', 'green'))
It may not be sophisticated enough, however, for game programming and the "colored blocks" that you want...
Add characters to a string in Javascript
...n also keep adding strings to an existing string like so:
var myString = "Hello ";
myString += "World";
myString += "!";
the result would be -> Hello World!
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