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The preferred way of creating a new element with jQuery
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I personally think that it's more important for the code to be readable and editable than performant. Whichever one you find easier to look at and it should be the one you choose for above factors.
You can write it as:
$('#box').ap...
Interface vs Abstract Class (general OO)
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While your question indicates it's for "general OO", it really seems to be focusing on .NET use of these terms.
In .NET (similar for Java):
interfaces can have no state or implementation
a class that implements an interface must provide an implementation of all the methods of tha...
How to find and return a duplicate value in array
...ou're writing this code for some huge scaling data (and if so, you can actually just use C or Python), the provided answer is far more elegant/readable, and isnt' going to run that much slower compared to a linear time solution. furthermore, in theory, the linear time solution requires linear space,...
How can I make a UITextField move up when the keyboard is present - on starting to edit?
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isn't it batter to call -(void)setViewMovedUp:(BOOL)movedUp in keyBoardWillSHow and KeyBoardWillHide events!!
– Abduliam Rehmanius
Jun 26 '11 at 4:08
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performing HTTP requests with cURL (using PROXY)
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curl https://api.ipify.org --proxy socks5://189.100.246.182:37339 seems to work fine for me. Is the --proxy option in some way inferior to --socks5 when using socks5 proxies?
– user993683
Jul 5 '17 a...
Renaming a virtualenv folder without breaking it
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You need to adjust your install to use relative paths. virtualenv provides for this with the --relocatable option. From the docs:
Normally environments are tied to a
specific path. That means that you
cannot move an environment around or
copy ...
ValueError: setting an array element with a sequence
...9 when building an array of objects (not necessarily lists) that implement __getitem__ as specified here:github.com/numpy/numpy/issues/5100
– dashesy
Nov 21 '14 at 19:13
add a...
Difference between Inheritance and Composition
... is now considered a blunder. A stack "is-NOT-a" vector; you should not be allowed to insert and remove elements arbitrarily. It should've been composition instead.
Unfortunately it's too late to rectify this design mistake, since changing the inheritance hierarchy now would break compatibility wit...
Docker - how can I copy a file from an image to a host?
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Actually, I use docker run --rm --entrypoint tar _image_ cC _img_directory_ . | tar xvC _host_directory_
– caligari
Nov 30 '17 at 11:04
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How do I save a UIImage to a file?
...// Save image.
[UIImagePNGRepresentation(image) writeToFile:filePath atomically:YES];
Core Data has nothing to do with saving images to disk by the way.
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