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Javascript regex returning true.. then false.. then true.. etc [duplicate]
I have a strange problem with the validation I am writing on a form. It is a 'Check Username' button next to an input. The input default value is the username for example 'betamax'. When I press 'Check Username' it passes the regex and sends the username to the server. The server behaves as expected...
'Must Override a Superclass Method' Errors after importing a project into Eclipse
...roject was set to 1.6, so I shot for the stars and set it to 1.5, rebuilt, then back to 1.6. Miraculously this resolved my issue. Thanks for pointing me in the right direction!
– Michael Krauklis
Feb 9 '11 at 20:43
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Better techniques for trimming leading zeros in SQL Server?
...
Why don't you just cast the value to INTEGER and then back to VARCHAR?
SELECT CAST(CAST('000000000' AS INTEGER) AS VARCHAR)
--------
0
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What is the difference between And and AndAlso in VB.NET?
...true.
An example:
If mystring IsNot Nothing And mystring.Contains("Foo") Then
' bla bla
End If
The above throws an exception if mystring = Nothing
If mystring IsNot Nothing AndAlso mystring.Contains("Foo") Then
' bla bla
End If
This one does not throw an exception.
So if you come from th...
Open new Terminal Tab from command line (Mac OS X)
...c
# Command-line help.
if [[ "$1" == '--help' || "$1" == '-h' ]]; then
cat <<EOF
Synopsis:
$funcName [-g|-G] [command [param1 ...]]
Description:
Opens a $targetDesc and optionally executes a command.
The new $targetType will run a login shell (i.e., load the user...
How to increment a pointer address and pointer's value?
... assigning them to anything. The difference is number++ returns number and then increments number, and ++number increments first and then returns it.
Third, by increasing the value of a pointer, you're incrementing it by the sizeof its contents, that is you're incrementing it as if you were iterati...
Can you have if-then-else logic in SQL? [duplicate]
... Server:
SELECT CASE <variable>
WHEN <value> THEN <returnvalue>
WHEN <othervalue> THEN <returnthis>
ELSE <returndefaultcase>
END
FROM <table>
...
Why doesn't Dijkstra's algorithm work for negative weight edges?
...ry but I'm not getting any error. First A->B will 5 and A->C will 2. Then B->C will -5. So the value of C will be -5 same as bellman-ford. How is this not giving the right answer?
– Anirban Nag 'tintinmj'
May 23 '14 at 7:02
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How to change the author and committer name and e-mail of multiple commits in Git?
...FETY (and PERFORMANCE) to learn about the land mines of filter-branch, and then vigilantly avoid as many of the hazards listed there as reasonably possible.
Changing the author (or committer) would require re-writing all of the history. If you're okay with that and think it's worth it then you sho...
Test a weekly cron job [closed]
...-bashdb
#
crontestLog=/tmp/crontest.log
lockfile=$(if [[ -d /var/lock ]]; then echo /var/lock/crontest.lock; else echo /tmp/crontest.lock; fi )
useBashdb=false
useScreen=$( if which screen &>/dev/null; then echo true; else echo false; fi )
innerArgs="$@"
screenBin=$(which screen 2>/dev/nu...