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Java: random long number in 0
...t().nextLong(m, n) (for m ≤ x < n). See @Alex's answer for detail.
If you are stuck with Java 6 (or Android 4.x) you need to use an external library (e.g. org.apache.commons.math3.random.RandomDataGenerator.getRandomGenerator().nextLong(0, n-1), see @mawaldne's answer), or implement your own...
Easiest way to compare arrays in C#
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This only works if they are in the same order though
– John Demetriou
Feb 12 '16 at 7:00
1
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Difference in Months between two dates in JavaScript
How would I work out the difference for two Date() objects in JavaScript, while only return the number of months in the difference?
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Asp Net Web API 2.1 get client IP address
... {
request = request ?? Request;
if (request.Properties.ContainsKey("MS_HttpContext"))
{
return ((HttpContextWrapper)request.Properties["MS_HttpContext"]).Request.UserHostAddress;
}
else...
Best practices for SQL varchar column length [closed]
...hink early SQL Server versions actually treated a VARCHAR with length 255 differently than one with a higher maximum length. I don't know if this is still the case.
For almost all DBMS, the actual storage that is required is only determined by the number of characters you put into it, not the max ...
Path.Combine for URLs?
...I am accepting this one. It seems to work in all cases I have encountered. If people don't want to take a dependency, I posted an answer that also works fine.
– Brian MacKay
Nov 28 '18 at 15:33
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Cost of exception handlers in Python
... another question , the accepted answer suggested replacing a (very cheap) if statement in Python code with a try/except block to improve performance.
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Can someone copyright a SQL query? [closed]
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If I were you, I would write a full description of what the query needs to do, including all the tables, fieldnames etc., and post that here. Someone here is bound to be able to write a new version of the query that is not co...
Can overridden methods differ in return type?
Can overridden methods have different return types ?
12 Answers
12
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How to redirect output to a file and stdout
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The command you want is named tee:
foo | tee output.file
For example, if you only care about stdout:
ls -a | tee output.file
If you want to include stderr, do:
program [arguments...] 2>&1 | tee outfile
2>&1 redirects channel 2 (stderr/standard error) into channel 1 (stdout/s...