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What does it mean by select 1 from table?
... is pretty unremarkable on its own, so normally it will be used with WHERE and often EXISTS (as @gbn notes, this is not necessarily best practice, it is, however, common enough to be noted, even if it isn't really meaningful (that said, I will use it because others use it and it is "more obvious" im...
Center image in div horizontally [duplicate]
I have an img in a div ( class="top_image" ) and I want this image to be exactly in the middle of the div but nothing I try works...
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How best to include other scripts?
... @Philipp, The author of that entry is correct, it is complex, and there are gotchas. But it's missing some key points, first, the author assumes a whole lot of things about what you are going to be doing with your bash script. I wouldn't expect a python script to run without it's depend...
How to make a promise from setTimeout
This is not a realworld problem, I'm just trying to understand how promises are created.
2 Answers
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Testing Abstract Classes
...mean testing the interface, as abstract classes can have concrete methods, and this concrete methods can be tested.
It is not so uncommon, when writing some library code, to have certain base class that you expect to extend in your application layer. And if you want to make sure that library code ...
Ruby class types and case statements
... the problem. This should probably be pointed out more often in tutorials and such (but I bet that many tutorial writers aren't aware of this either).
– Daisy Sophia Hollman
Oct 13 '10 at 13:28
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Is there a way to make git pull automatically update submodules?
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As of Git 2.14, you can use git pull --recurse-submodules (and alias it to whatever you like).
As of Git 2.15, you could set submodule.recurse to true to enable the desired behaviour.
You can do this globally by running:
git config --global submodule.recurse true
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AngularJS : How do I switch views from a controller function?
...iew){
$location.path(view); // path not hash
}
}
and configure the router to switch to different partials based on the location ( as shown here https://github.com/angular/angular-seed/blob/master/app/app.js ). This would have the benefit of history as well as using ng-view....
How do I remove objects from a JavaScript associative array?
...tances of Array, if you do not want to create a sparsely populated array - and you usually don't - then you should use Array#splice or Array#pop.
Note that the delete operator in JavaScript does not directly free memory. Its purpose is to remove properties from objects. Of course, if a property bei...
How to completely remove a dialog on close
When an ajax operation fails, I create a new div with the errors and then show it as a dialog. When the dialog is closed I would like to completely destroy and remove the div again. How can I do this? My code looks something like this at the moment:
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