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How to randomly select rows in SQL?
I am using MSSQL Server 2005. In my db, I have a table "customerNames" which has two columns "Id" and "Name" and approx. 1,000 results.
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Javascript switch vs. if…else if…else
Guys I have a couple of questions:
9 Answers
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Haml: Control whitespace around text
In my Rails template, I'd like to accomplish final HTML to this effect using HAML:
13 Answers
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Iterator invalidation rules
What are the iterator invalidation rules for C++ containers?
6 Answers
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How to get the caret column (not pixels) position in a textarea, in characters, from the start?
How do you get the caret position in a <textarea> using JavaScript?
4 Answers
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How to plot two histograms together in R?
I am using R and I have two data frames: carrots and cucumbers. Each data frame has a single numeric column which lists the length of all measured carrots (total: 100k carrots) and cucumbers (total: 50k cucumbers).
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(grep) Regex to match non-ASCII characters?
On Linux, I have a directory with lots of files. Some of them have non-ASCII characters, but they are all valid UTF-8 . One program has a bug that prevents it working with non-ASCII filenames, and I have to find out how many are affected. I was going to do this with find and then do a grep to p...
How can I split a shell command over multiple lines when using an IF statement?
How can I split a command over multiple lines in the shell, when the command is part of an if statement?
2 Answers
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How expensive is RTTI?
I understand that there is a resource hit from using RTTI, but how big is it? Everywhere I've looked just says that "RTTI is expensive," but none of them actually give any benchmarks or quantitative data reguarding memory, processor time, or speed.
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How to check if a string “StartsWith” another string?
How would I write the equivalent of C#'s String.StartsWith in JavaScript?
19 Answers
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