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What's the difference between “declare class” and “interface” in TypeScript
...ll the code to hook up the prototype chain and forwarding constructors and what not.
If you try to inherit from a declare class that should have been an interface, you are going to have a runtime error because that generated code will be referring to an object with no runtime manifestation.
Conver...
How to resolve git stash conflict without commit?
...nstage)
(use "git add <file>..." to mark resolution)
So let's do what Git suggests (without doing any useless commits):
Manually (or using some merge tool, see below) resolve the conflict(s).
Use git reset to mark conflict(s) as resolved and unstage the changes. You can execute it withou...
Flask-SQLalchemy update a row's information
... this 'db.add(user)' then 'dv.session.commit()'. Why do the both work? and what's the difference?
– pocorschi
Jul 15 '11 at 7:21
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Get the real width and height of an image with JavaScript? (in Safari/Chrome)
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No, clientHeight/clientWidth explicitly don't do what the question asks. It needs to return the height and width of the image, not the height and width of the image as it looks on the page. naturalWidth and naturalHeight are correct.
– Jeroen van den B...
Check whether a string is not null and not empty
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What about isEmpty() ?
if(str != null && !str.isEmpty())
Be sure to use the parts of && in this order, because java will not proceed to evaluate the second part if the first part of && fails, thus e...
How to set default value for form field in Symfony2?
... default value, it will also always force the value under any context. Not what I would call a "default value"...
– Hubert Perron
Apr 3 '13 at 18:25
4
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How can I reverse the order of lines in a file?
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at the end of your command put:
| tac
tac does exactly what you're asking for, it "Write each FILE to standard output, last line first."
tac is the opposite of cat :-).
share
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Named placeholders in string formatting
...Thanks for a clue, it helped me to write simple function that does exactly what I want (I've put it below).
– Andy
Feb 19 '10 at 8:52
1
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JMS and AMQP - RabbitMQ
I am trying to understand what JMS and how it is connected to AMQP terminology.
I know JMS is an API and AMQP is a protocol.
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Hibernate: “Field 'id' doesn't have a default value”
I'm facing what I think is a simple problem with Hibernate, but can't solve it (Hibernate forums being unreachable certainly doesn't help).
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