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How can I limit possible inputs in a HTML5 “number” element?
For <input type="number"> element, maxlength is not working. How can I restrict the maxlength for that number element?
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How to select a CRAN mirror in R
I'm trying to install a package through the R prompt by doing the following:
11 Answers
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Why is using a wild card with a Java import statement bad?
It is much more convenient and cleaner to use a single statement like
15 Answers
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CA2202, how to solve this case
Can anybody tell me how to remove all CA2202 warnings from the following code?
12 Answers
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What is a columnar database?
I have been working with warehousing for a while now.
7 Answers
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Generate a random date between two other dates
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Convert both strings to timestamps (in your chosen resolution, e.g. milliseconds, seconds, hours, days, whatever), subtract the earlier from the later, multiply your random number (assuming it is distributed in the range [0, 1]) with that di...
Error type 3 Error: Activity class {} does not exist
I have an IntelliJ Android project, that I successfully imported to Android Studio 0.4.0. It works perfectly if I don't change anything in manifest. However, when I want to change the launcher activity and run, it fails with this error:
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Have Grunt generate index.html for different setups
I'm trying to use Grunt as a build tool for my webapp.
12 Answers
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How to extract the first two characters of a string in shell scripting?
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Probably the most efficient method, if you're using the bash shell (and you appear to be, based on your comments), is to use the sub-string variant of parameter expansion:
pax> long="USCAGol.blah.blah.blah"
pax> short="${long:0:2}" ; echo "${short}"
US
This will s...
How to erase the file contents of text file in Python?
I have text file which I want to erase in Python. How do I do that?
12 Answers
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