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Find and extract a number from a string
I have a requirement to find and extract a number contained within a string.
29 Answers
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How to compare strings in Bash
How do I compare a variable to a string (and do something if they match)?
10 Answers
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SQLite - How do you join tables from different databases?
I have an application that uses a SQLite database and everything works the way it should. I'm now in the process of adding new functionalities that require a second SQLite database, but I'm having a hard time figuring out how to join tables from the different databases.
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Why does 2 mod 4 = 2?
I'm embarrassed to ask such a simple question. My term does not start for two more weeks so I can't ask a professor, and the suspense would kill me.
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How to decide font color in white or black depending on background color?
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Building on my answer to a similar question.
You need to break the hex code into 3 pieces to get the individual red, green, and blue intensities. Each 2 digits of the code represent a value in hexadecimal (base-16) notation....
Difference between “read commited” and “repeatable read”
I think the above isolation levels are so alike. Could someone please describe with some nice examples what the main difference is ?
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Passing arrays as url parameter
What is the best way that I can pass an array as a url parameter? I was thinking if this is possible:
10 Answers
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HTML/Javascript change div content
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Assuming you're not using jQuery or some other library that makes this sort of thing easier for you, you can just use the element's innerHTML property.
document.getElementById("content").innerHTML = "whatever";
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How do you express binary literals in Python?
How do you express an integer as a binary number with Python literals?
7 Answers
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Merging objects (associative arrays)
What’s the best/standard way of merging two associative arrays in JavaScript? Does everyone just do it by rolling their own for loop?
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