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SQLite add Primary Key
...DEX sqlite_autoindex_tab1_1
sqlite> drop index sqlite_autoindex_tab1_1;
Error: index associated with UNIQUE or PRIMARY KEY constraint cannot be dropped
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Get Slightly Lighter and Darker Color from UIColor
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I got an error: -getHue:saturation:brightness:alpha: not valid for the NSColor NSCalibratedWhiteColorSpace 0 1; need to first convert colorspace.
– Besi
Jan 29 '16 at 18:09
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How to use ng-repeat without an html element
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after setting ng-if="0" , it throws error saying unable to find matching ng-repeat-end.
– vikky MCTS
Mar 30 '17 at 14:25
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RabbitMQ / AMQP: single queue, multiple consumers for same message?
... }
} catch (err) {
console.log("ERROR ----> " + err.stack);
}
});
// When the visitor closes or reloads a page we need to unbind from RabbitMQ?
conn.on('close', function () {
try {
// Clos...
How to use Bitbucket and GitHub at the same time for one project?
...o identify which IdentityFile to use. Then you won't get permission denied errors trying to swap back and forth between bitbucket and github. Hope this helps someone.
– Ultimater
Apr 17 '18 at 6:28
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How to get last inserted row ID from WordPress database?
...er for me, because I want to capture inserts that will otherwise return an error due to duplicate column values on a unique column. There is no way to INSERT IGNORE with $wpdb->insert unfortunately.
– Solomon Closson
Feb 15 '18 at 1:50
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Difference between modes a, a+, w, w+, and r+ in built-in open function?
...nored
write('aa'); seek(0, 0); read(2); write('b') - second write raises IOError
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How does Google's Page Speed lossless image compression work?
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webp_optimizer.cc
For PNG files, they use OptiPNG with some trial-and-error approach
// we use these four combinations because different images seem to benefit from
// different parameters and this combination of 4 seems to work best for a large
// set of PNGs from the web.
const PngCompressPa...
Ball to Ball Collision - Detection and Handling
...cisely in the correct place. Otherwise you just shift balls on some small "error" amount, which is available from the previous discrete step.
The solution is obvious: you have to split the timestep so, that first you shift to correct place, then collide, then shift for the rest of the time you have...
How to use permission_required decorators on django class-based views
... Resolution Order picks the Right Thing).
The reason you're getting a TypeError is explained in the docs:
Note:
method_decorator passes *args and **kwargs as parameters to the decorated method on the class. If your method does not accept a compatible set of parameters it will raise a TypeErro...