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When do I use fabs and when is it sufficient to use std::abs?
...Is this on every platform the case? Esp. Windows and Mac OS X? Or is it at least in the C++ standard?
– math
Jun 25 '10 at 13:09
3
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Hashset vs Treeset
...ynchronized. That is if multiple threads access a set concurrently, and at least one of the threads modifies the set, it must be synchronized externally.
LinkedHashSet is in some sense intermediate between HashSet and TreeSet. Implemented as a hash table with a linked list running through it, howeve...
Solving a “communications link failure” with JDBC and MySQL [duplicate]
...this error, I figured out that there are many solutions that worked for at least one person, but others say that it doesn't work for them! why there are many approaches to this error?
It seems this error can occur generally when there is a problem in connecting to the server. Maybe the problem is be...
How to clear gradle cache?
...y would be to automatically move the files to the Trash/Recycle Bin, or at least copy them to a Trash folder first. But I don't know how to do that.
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List all of the possible goals in Maven 2?
...
@romain No, mvnsh doesn't provide completion (at least not in the version I have on my machine). I checked before answering :)
– Pascal Thivent
Oct 22 '10 at 16:18
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Simple way to encode a string according to a password?
...es to UTF8, easily reverted again using bytesvalue.decode().
Last but not least, when encrypting and decrypting, we talk about keys, not passwords. A key should not be human memorable, it is something you store in a secret location but machine readable, whereas a password often can be human-readabl...
PowerShell: Store Entire Text File Contents in Variable
...Path instead of the current directory (when running from Powershell ISE at least):
$text = [IO.File]::ReadAllText($filePath)
Powershell 3+:
$text = Get-Content $filePath -Raw
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How does the SQL injection from the “Bobby Tables” XKCD comic work?
... the WHERE with parentheses around the arguments is rather unusual, but at least it avoids a syntax error... :-)
– PhiLho
Dec 2 '08 at 20:00
60
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Timeout a command in bash without unnecessary delay
...intUsage; exit 1 ;;
esac
done
shift $((OPTIND - 1))
# $# should be at least 1 (the command to execute), however it may be strictly
# greater than 1 if the command itself has options.
if (($# == 0 || interval <= 0)); then
printUsage
exit 1
fi
# kill -0 pid Exit code indicates if a ...
What do the different readystates in XMLHttpRequest mean, and how can I use them?
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The explanation for readyState 2 is wrong – or at least completely misleading. Shure the request was sent, but those state actually says that all final response headers were received.
– inta
Oct 2 '17 at 15:43
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