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How do detect Android Tablets in general. Useragent?
...sing a Motorola Zoom to try our tablet site testing.
The issue is that the Android Useragent is a general Useragent and there is no difference between tablet Android and mobile Android. I don't want to just target a specific device like the Xoom Useragent since Android will most likely be on multip...
Running a cron every 30 seconds
...e offset by 30 seconds:
# Need these to run on 30-sec boundaries, keep commands in sync.
* * * * * /path/to/executable param1 param2
* * * * * ( sleep 30 ; /path/to/executable param1 param2 )
You'll see I've added comments and formatted to ensure it's easy to keep them synchronised.
Bo...
How to append rows to an R data frame
...rs of the type you want for each column, insert values into those vectors, and then, at the end, create your data.frame.
Continuing with Julian's f3 (a preallocated data.frame) as the fastest option so far, defined as:
# pre-allocate space
f3 <- function(n){
df <- data.frame(x = numeric(n)...
grep a file, but show several surrounding lines?
... would like to grep for a string, but also show the preceding five lines and the following five lines as well as the matched line. How would I be able to do this?
...
Random date in C#
I'm looking for some succinct, modern C# code to generate a random date between Jan 1 1995 and the current date.
7 Answers
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What does ':' (colon) do in JavaScript?
I'm learning JavaScript and while browsing through the jQuery library I see : (colon) being used a lot. What is this used for in JavaScript?
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Convert InputStream to byte array in Java
...
You can use Apache Commons IO to handle this and similar tasks.
The IOUtils type has a static method to read an InputStream and return a byte[].
InputStream is;
byte[] bytes = IOUtils.toByteArray(is);
Internally this creates a ByteArrayOutputStream and co...
How can I remove duplicate rows?
...
Assuming no nulls, you GROUP BY the unique columns, and SELECT the MIN (or MAX) RowId as the row to keep. Then, just delete everything that didn't have a row id:
DELETE FROM MyTable
LEFT OUTER JOIN (
SELECT MIN(RowId) as RowId, Col1, Col2, Col3
FROM MyTable
GROUP B...
GlobalConfiguration.Configure() not present after Web API 2 and .NET 4.5.1 migration
...ecently started following this guide to migrate my project to .NET 4.5.1 and Web Api 2.
11 Answers
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How can I write text on a HTML5 canvas element?
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Is there any way to get the font width and size so we can center it? (Dynamic content)
– Oliver Dixon
Dec 30 '14 at 2:20
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