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In Vim, how do you search for a word boundary character, like the \b in regexp?
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Why is a “GRANT USAGE” created the first time I grant a user privileges?
I'm new to the admin side of DBMS and was setting up a new database tonight (using MySQL) when I noticed this. After granting a user a privilege for the first time, another grant is created that looks like
...
What is the difference between Spring's GA, RC and M2 releases?
... (a release); should be very stable and feature complete
RC = Release candidate; probably feature complete and should be pretty stable - problems should be relatively rare and minor, but worth reporting to try to get them fixed for release.
M = Milestone build - probably not feature complete; shou...
Input size vs width
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You can use both. The css style will override the size attribute in browsers that support CSS and make the field the correct width, and for those that don't, it will fall back to the specified number of characters.
Edit: I should have mentioned that the size attribu...
CSS hack大全 - 创意 - 清泛网 - 专注C/C++及内核技术
...ground-color:#f1ee18}}{} /* Safari(Chrome) 有效 */
@media all and (min-width: 0px){ .bb{background-color:#f1ee18;/*opera and Safari(Chrome) and firefox*/ background-color:#4cac70\0;}/* 仅 Opera 有效 */ }{}
.bb, x:-moz-any-link, x:default{background-color:#4eff00;/*IE7、Firefox3.5及以下...
Check if string matches pattern
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svn : how to create a branch from certain revision of trunk
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Also, in the example above, if revision 123 did not occur underneath trunk, then the copy ...trunk@123 ... syntax may fail with Path ...trunk@123 does not exist in revision 768 (where 768 is the repo latest), whereas -r 123 will do the right thing. Observed with older ...
Rounding DateTime objects
... / span.Ticks;
return new DateTime( ticks * span.Ticks );
Round (up on midpoint)
long ticks = (date.Ticks + (span.Ticks / 2) + 1)/ span.Ticks;
return new DateTime( ticks * span.Ticks );
Ceiling
long ticks = (date.Ticks + span.Ticks - 1)/ span.Ticks;
return new DateTime( ticks * span.Ticks )...
What is the maximum number of characters that nvarchar(MAX) will hold?
...Wow... so i guess i don't really need to worry about setting a max size validation rule then. I had better be carefull about when I use the nvarchar(MAX) though.
– quakkels
Nov 24 '10 at 18:17
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What are '$$' used for in PL/pgSQL
...Dollar-quoting is a PostgreSQL-specific substitute for single quotes to avoid quoting issues inside the function body. You could write your function definition with single-quotes just as well. But then you'd have to escape all single-quotes in the body:
CREATE OR REPLACE FUNCTION check_phone_number...