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How do I pass command line arguments to a Node.js program?
...e argument when you know its position: process.argv[n] where n is the zero-based index
– Luca Steeb
Feb 1 '15 at 15:12
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How to use the IEqualityComparer
I have some bells in my database with the same number. I want to get all of them without duplication. I created a compare class to do this work, but the execution of the function causes a big delay from the function without distinct, from 0.6 sec to 3.2 sec!
...
What is the difference between “INNER JOIN” and “OUTER JOIN”?
... tables, with the result being a new, temporary table. Joins are performed based on something called a predicate, which specifies the condition to use in order to perform a join. The difference between an inner join and an outer join is that an inner join will return only the rows that actually mat...
jQuery or javascript to find memory usage of page
...n (not just developer tools), so that my application can determine actions based on memory usage in a user's browser.
The simple but correct answer is no. Not all browsers expose such data to you. And I think you should drop the idea simply because the complexity and inaccuracy of a "handmade" sol...
Disable time in bootstrap date time picker
...his out due to the update with DateTimePicker. You would enter in a format based off of moment.js documentation. You can use what other answers showed:
$('#datetimepicker').datetimepicker({ format: 'DD/MM/YYYY' });
Or you can use some of the localized formats moment.js provides to do just a date,...
Any reason not to start using the HTML 5 doctype? [closed]
...p representations (serialisations) of the HTML language. The former is XML-based, and the latter is a unique dialect (with special parsing semantics) of SGML.
– Delan Azabani
Aug 12 '11 at 11:39
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Is null reference possible?
...
Detection of dereferenced null pointers in typeid works based on syntax, instead of based on semantics. That is, if you do typeid(0, *(ostream*)0) you do have undefined behavior - no bad_typeid is guaranteed to be thrown, even though you pass an lvalue resulting from a null pointe...
How can I have a newline in a string in sh?
...
What I did based on the other answers was
NEWLINE=$'\n'
my_var="__between eggs and bacon__"
echo "spam${NEWLINE}eggs${my_var}bacon${NEWLINE}knight"
# which outputs:
spam
eggs__between eggs and bacon__bacon
knight
...
How to loop through an array containing objects and access their properties
...sum / myArray.length;
console.log(average); // 200
5. Create a new array based on the original but without modifying it
const myArray = [{x:100}, {x:200}, {x:300}];
const newArray= myArray.map(element => {
return {
...element,
x: element.x * 2
};
});
console.log(myArr...
How to construct a timedelta object from a simple string
... format(5hr34m56s), you should parse using regular expressions
Here is re-based solution:
import re
from datetime import timedelta
regex = re.compile(r'((?P<hours>\d+?)hr)?((?P<minutes>\d+?)m)?((?P<seconds>\d+?)s)?')
def parse_time(time_str):
parts = regex.match(time_str)...