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How to loop through file names returned by find?
...here it's needed one can use 3< instead of < and add <&3 or -u3 to the read part, basically using a separate file descriptor. Also, I believe read -d '' is the same as read -d $'\0' but I can't find any official documentation on that right now.
– phk
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HMAC-SHA1 in bash
...nyone, probably someone who is trying to create bash scripts to invalidate CloudFront entries on AWS (like me!) (I haven't tested it yet, but I think this is the thing that is the cause of why my bash script does not work, and my PHP one does...)
...
How to remove time portion of date in C# in DateTime object only?
... @TomasVinter is correct. There is no "strictly-Date" structure in the .NET framework. You will have to create your own. However, DateTime exposes the .ToShortDateTime() method, which will format a string representing only the date portion of the value, and will format the date using the DateFo...
Meaning of epsilon argument of assertEquals for double values
...od doubleIsDifferent (for comparing double values) and it returns Math.abs(d1 - d2) > delta. So if the difference between d1 and d2 is higher than delta, that means the values are different and will return true. It will return false if the values are considered equals. That method is called in th...
Filter dict to contain only certain keys?
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Code 1:
dict = { key: key * 10 for key in range(0, 100) }
d1 = {}
for key, value in dict.items():
if key % 2 == 0:
d1[key] = value
Code 2:
dict = { key: key * 10 for key in range(0, 100) }
d2 = {key: value for key, value in dict.items() if key % 2 == 0}
Code 3:
dic...
How to compare two floating point numbers in Bash?
...l be interpreted by if clause with true or false.
if awk 'BEGIN {print ('$d1' >= '$d2')}'; then
echo "yes"
else
echo "no"
fi
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Why doesn't a python dict.update() return the object?
...n for a repeated keyword argument. jamylak's solution dict(itertools.chain(d1.iteritems(), .. d<n>.iteritems())) not only works in the case where dictionaries have duplicate keys but also easily allows you to merge multiple dictionaries with dicts later in the chain taking precedence for the f...
What is the recommended way to delete a large number of items from DynamoDB?
... recreating it again from the web console may cause problems if using YAML/CloudFront to create the table.
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Converting HTML string into DOM elements? [duplicate]
...ertAdjacentHTML
for example:
// <div id="one">one</div>
var d1 = document.getElementById('one');
d1.insertAdjacentHTML('afterend', '<div id="two">two</div>');
// At this point, the new structure is:
// <div id="one">one</div><div id="two">two</div>...
How to use base class's constructors and assignment operator in C++?
...perator=( rhs );
// return *this;
// }
};
int main()
{
derived d1; // will printout base()
derived d2 = d1; // will printout base(base const &)
d2 = d1; // will printout base::=
}
Note that, as sbi noted, if you define any constructor the compiler will not genera...