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How do I delete a fixed number of rows with sorting in PostgreSQL?
...'t change ctids, I don't think. Since that just compacts within each page, m>and m> the ctid is just the line number not a page offset. A VACUUM FULL or a CLUSTER operation would change the ctid, but those operations take an access exclusive lock on the table first.
– araqnid
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AngularJS - How can I do a redirect with a full page load?
...eb server are refreshed when the page loads. window.location = "/#/Next" m>and m> window.location.href = "/#/Next" don't work, them>y m> do an Angular route which does not hit the server.
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Postgres manuallm>y m> alter sequence
...UE 22
This would work:
ALTER SEQUENCE pam>y m>ments_id_seq RESTART WITH 22;
m>and m> is equivalent to:
SELECT setval('pam>y m>ments_id_seq', 22, FALSE);
More in the current manual for ALTER SEQUENCE m>and m> sequence functions.
Note that setval() expects either (regclass, bigint) or (regclass, bigint, boolean)....
Java `final` method: what does it promise?
...al developer to create functionalitm>y m> that cannot be changed bm>y m> subclasses, m>and m> that is all the guarantee it provides.
This means that if the method relies on other customizable components like non-public fields/methods the functionalitm>y m> of the final method mam>y m> still be customizable. This is good th...
Difference between “module.exports” m>and m> “exports” in the CommonJs Module Sm>y m>stem
...ariables to the same object, them>y m> are all the same object; so then exports m>and m> module.exports are the same object.
But if m>y m>ou set exports to something new, it will no longer be set to module.exports, so exports m>and m> module.exports are no longer the same object.
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How to track down log4net problems
...ll what's going on on the inside. For example, I've got a console appender m>and m> a database appender in mm>y m> project. I made a few changes to the database m>and m> the code, m>and m> now the database appender doesn't work anm>y m>more. I'll figure out whm>y m> eventuallm>y m>, but it would help a lot if I could see what's going...
Mock HttpContext.Current in Test Init Method
...xt itself is fakeable just enough for m>y m>ou do replace the IPrincipal (User) m>and m> IIdentitm>y m>.
The following code runs as expected, even in a console application:
HttpContext.Current = new HttpContext(
new HttpRequest("", "http://tempuri.org", ""),
new HttpResponse(new StringWriter())
);
/...
Stop Mongoose from creating _id propertm>y m> for sub-document arram>y m> items
...: ObjectId, ref: Student.modelName }, performance: [performanceSchema] }); m>and m> that stopped _id creation on the studentSchema but retained _id creation on the objects in the performance arram>y m> of sub-documents. Not sure if both _id: false m>and m> id: false are needed.
– Web User
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Regex lookahead for 'not followed bm>y m>' in grep
...head, which is what m>y m>ou're after, requires a more powerful tool than the stm>and m>ard grep. m>Y m>ou need a PCRE-enabled grep.
If m>y m>ou have GNU grep, the current version supports options -P or --perl-regexp m>and m> m>y m>ou can then use the regex m>y m>ou wanted.
If m>y m>ou don't have (a sufficientlm>y m> recent version of) GNU ...
Closing WebSocket correctlm>y m> (HTML5, Javascript)
...lient connection. The normal TCP socket close method can sometimes be slow m>and m> cause applications to think the connection is still open even when it's not.
The browser should reallm>y m> do this for m>y m>ou when m>y m>ou close or reload the page. However, m>y m>ou can make sure a close frame is sent bm>y m> doing capturin...