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Ruby : How to write a gem? [closed]
...pdate the ChangeLog.rdoc file, run rake spec and rake rerdoc, open up html/index.html and double-check for any typos.
rake release
(Optional) submit a link and explanation of your new awesome gem to http://rubyflow.com
Sit back and bask in the glory of your first Gem. :)
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Any good boolean expression simplifiers out there? [closed]
... For a quick online tool this is really helpful: tma.main.jp/logic/index_en.html
– Lenar Hoyt
Apr 6 '17 at 0:33
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jQuery parent of a parent
...ncestors that match the selector
and the :eq(1) says find the oneth (zero-indexed, so the second) element in the list
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javax.faces.application.ViewExpiredException: View could not be restored
...and session is destroyed. What should I do to redirect user to for example index.xhtml or login.xhtml and save him from seeing that error page/message?
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Is std::vector so much slower than plain arrays?
...Vector completed in 5.567 seconds
Idea #4 - Use iterator instead of loop index
How about using a vector<Pixel>::iterator instead of a loop index?
for (std::vector<Pixel>::iterator j = pixels.begin(); j != pixels.end(); ++j)
{
j->r = 255;
j->g = 0;
j->b = 0;
}
R...
How to remove duplicate values from an array in PHP
... The above will preserve elements' keys. If you want them re-indexed, in addition apply array_values: php.net/manual/en/function.array-values.php
– CodeVirtuoso
Jan 11 '12 at 13:48
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“VT-x is not available” when i start my Virtual machine [closed]
...o: ark.intel.com/… your processor supports VT-x. Try this: itropics.net/index.php/computers/windows/…
– Yax
Mar 30 '11 at 9:48
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SQL Server 2012 column identity increment jumping from 6 to 1000+ on 7th entry [duplicate]
...tblsysIdentities] PRIMARY KEY CLUSTERED
(
[intTableId] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
and the insert trigger:
-- INSERT --
IF OBJECT_ID ('dbo.trgtblsysTrackerMessagesIde...
How to list active / open connections in Oracle?
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For a more complete answer see:
http://dbaforums.org/oracle/index.php?showtopic=16834
select
substr(a.spid,1,9) pid,
substr(b.sid,1,5) sid,
substr(b.serial#,1,5) ser#,
substr(b.machine,1,6) box,
substr(b.username,1,10) username,
-- b.server,
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Traversing text in Insert mode
...le built-in hotkeys for movement in Insert mode.)
Reference: :help insert-index
Command-line mode
This set of mappings makes the upper Alt+hjkl movements available in the Command-line:
" provide hjkl movements in Command-line mode via the <Alt> modifier key
cnoremap <A-h> <Left&...