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sql primary key and index
Say I have an ID row (int) in a database set as the primary key. If I query off the ID often do I also need to index it? Or does it being a primary key mean it's already indexed?
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What is the difference between DSA and RSA?
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Referring, https://web.archive.org/web/20140212143556/http://courses.cs.tamu.edu:80/pooch/665_spring2008/Australian-sec-2006/less19.html
RSA
RSA encryption and decryption are commutative
hence it may be used directly as a digi...
POST data to a URL in PHP
How can I send POST data to a URL in PHP (without a form)?
3 Answers
3
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Scroll to the top of the page using JavaScript?
How do I scroll to the top of the page using a JavaScript? It is desirable even if the scrollbar instantly jumps to the top. I'm not looking for a smooth scrolling.
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Moment.js: Date between dates
I'm trying to detect with Moment.js if a given date is between two dates. Since version 2.0.0, Tim added isBefore() and isAfter() for date comparison.
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How to assert greater than using JUnit Assert?
I have these values coming from a test
8 Answers
8
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Occurrences of substring in a string
Why is the following algorithm not halting for me?
(str is the string I am searching in, findStr is the string I am trying to find)
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Accessing last x characters of a string in Bash
... to the Shell Parameter Expansion in the reference manual:
${parameter:offset}
${parameter:offset:length}
Expands to up to length characters of parameter starting at the character
specified by offset. If length is omitted, expands to the substring of parameter
starting at the character specified b...
$(window).width() not the same as media query
...element works,
it's the only element that will give you the current width set by BS css rules.
So it goes something like
bsContainerWidth = $("body").find('.container').width()
if (bsContainerWidth <= 768)
console.log("mobile");
else if (bsContainerWidth <= 950)
console.log("small")...
Extract month and year from a zoo::yearmon object
I have a yearmon object:
7 Answers
7
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