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List distinct values in a vector in R
... applied to a factor) is that levels will return a character vector in the order of levels, including any levels that are coded but do not occur. unique will return a factor in the order the values first appear, with any non-occurring levels omitted (though still included in levels of the returned f...
Why shouldn't I use “Hungarian Notation”?
... be much safer to create distinct types (eg. structs) for lengths, weights etc. and use operator overloading to ensure that only valid operations are possible.
– JacquesB
Jul 3 '14 at 13:55
...
HQL ERROR: Path expected for join
...ct u from UserGroup ug inner join ug.user u
where ug.group_id = :groupId
order by u.lastname
As a named query:
@NamedQuery(
name = "User.findByGroupId",
query =
"SELECT u FROM UserGroup ug " +
"INNER JOIN ug.user u WHERE ug.group_id = :groupId ORDER BY u.lastname"
)
Use paths in t...
How do you serve a file for download with AngularJS or Javascript?
...scope.url = (window.URL || window.webkitURL).createObjectURL( blob );
in order to enable the URL:
app = angular.module(...);
app.config(['$compileProvider',
function ($compileProvider) {
$compileProvider.aHrefSanitizationWhitelist(/^\s*(https?|ftp|mailto|tel|file|blob):/);
}]);
Plea...
SQL keys, MUL vs PRI vs UNI
... column of a table, Key displays the one with the highest priority, in the order PRI, UNI, MUL.
As a general note, the MySQL documentation is quite good. When in doubt, check it out!
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impro...
A monad is just a monoid in the category of endofunctors, what's the problem?
...;) and (>>=) both provide simultaneous access to the two m values in order to compute the the single return value. The logic used to compute the return value is exactly the same. If it were not for the different shapes of the functions they parameterize (f :: a -> b versus k :: a -> m b...
CSS3 background image transition
...ormal" state will be first child your container, or change the nth-child() order)
CSS2 solution http://jsfiddle.net/eD2zL/2/ (differences between are just a few selectors)
Basically, you need to hide "normal" state and show their "hover" when you hover it
and that's it, I hope somebody find it us...
Detecting design mode from a Control's constructor
... can also do it by checking process name:
if (System.Diagnostics.Process.GetCurrentProcess().ProcessName == "devenv")
return true;
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Javascript: How to loop through ALL DOM elements on a page?
... cool feature of this is that the nodeiterator also walks the nodes in the order they appear in the html. I wonder if some of the document.body.getElementsByTagName('*') could return the nodes in scrambled order.
– Civilian
Aug 9 '16 at 21:55
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CORS Access-Control-Allow-Headers wildcard being ignored?
...ID, Meter, Negotiate, Non-Compliance, OPTION, OPTIONS, OWS, Opt, Optional, Ordering-Type, Origin, Overwrite, P3P, PEP, PICS-Label, POST, PUT, Pep-Info, Permanent, Position, Pragma, ProfileObject, Protocol, Protocol-Query, Protocol-Request, Proxy-Authenticate, Proxy-Authentication-Info, Proxy-Authori...