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What is the purpose of Node.js module.exports and how do you use it?
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the module.exports property or the exports object allows a module to select what should be shared with the application
I have a video on module_export available here
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How to Copy Contents of One Canvas to Another Canvas Locally
... are building a website that uses lots of image/canvas operations.
// select canvas elements
var sourceCanvas = document.getElementById("some-unique-id");
var destCanvas = document.getElementsByClassName("some-class-selector")[0];
//copy canvas by DataUrl
var sourceImageData = ...
Why can't I inherit static classes?
...ods (as they are defined on type level). How should the compiler decide to select the method to invoke?
(littleguru)
And as a valuable idea, littleguru has a partial "workaround" for this issue: the Singleton pattern.
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PostgreSQL - Rename database
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-- force disconnect all other clients from the database to be renamed
SELECT pg_terminate_backend( pid )
FROM pg_stat_activity
WHERE pid <> pg_backend_pid( )
AND datname = 'name of database';
-- rename the database (it should now have zero clients)
ALTER DATABASE "name of database" R...
The Difference Between Deprecated, Depreciated and Obsolete [closed]
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With all due respect, this is a slight pet peeve of mine and the selected answer for this is actually wrong.
Granted language evolves, e.g., "google" is now a verb, apparently. Through what's known as "common use", it has earned its way into official dictionaries. However, "google" was a ...
JavaScript function to add X months to a date
...Good catch, tad. I'm surprised that I didn't see that. Note that the T-SQL select DATEADD (month , 1, '2011-10-31') yields '2011-11-30', which to me is reasonable. I got 10 up votes with a bad answer. Cool. :-)
– Chad
Nov 26 '11 at 3:53
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Difference between val() and text()
... on)
val() is used to obtain the value of an input element (such as input, select, and so on)
according to the official documentation text() should not be used with input elements
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Why is it important to override GetHashCode when Equals method is overridden?
...yeah, looks like I left them out when I copy-pasted the code from a region selection in Visual Studio. I also thought people would figure it out both.
– Trap
Apr 13 '12 at 12:11
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Deleting rows with MySQL LEFT JOIN
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DELETE FROM deadline where ID IN (
SELECT d.ID FROM `deadline` d LEFT JOIN `job` ON deadline.job_id = job.job_id WHERE `status` = 'szamlazva' OR `status` = 'szamlazhato' OR `status` = 'fizetve' OR `status` = 'szallitva' OR `status` = 'storno');
I am not sur...
unable to locate nuget.exe when building webservice on appharbor
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Enable NuGet Package Restore
Right click on solution then
select Enable NuGet Package Restore
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