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When to use PNG or JPG in iPhone development?
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PNG's are pixel perfect (non-lossy), and require very little extra CPU energy to display. However, large PNGs may take longer to read from storage than more compressed image formats, and thus be slower to display.
JPG's are smaller to store, but lossy (amount ...
How to set time delay in javascript
...de setTimeout don't recognise class properties.
– ishandutta2007
Apr 14 '17 at 17:52
@ishandutta2007 see my answer bel...
Is there a way to list pip dependencies/requirements?
...The accepted answer is no longer relevant for more current versions of pip and does not give an immediate answer without perusing multiple comments so I am providing an updated answer.
This was tested with pip versions 8.1.2, 9.0.1, 10.0.1, and 18.1.
To get the output without cluttering your curre...
In Python, what happens when you import inside of a function? [duplicate]
What are the pros and cons of importing a Python module and/or function inside of a function, with respect to efficiency of speed and of memory?
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Original purpose of ? [closed]
...lude such a description):
type=hidden
These fields should not be rendered and provide a means for servers to store state information with a form. This will be passed back to the server when the form is submitted, using the name/value pair defined by the corresponding attributes. This is a work arou...
How does Google's Page Speed lossless image compression work?
...website it will suggest cases where an image can be losslessly compressed, and provide a link to download this smaller image.
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Handling file renames in git
...renaming files in git , you should commit any changes, perform your rename and then stage your renamed file. Git will recognise the file from the contents, rather than seeing it as a new untracked file, and keep the change history.
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What are the lesser known but useful data structures?
...nown. A very cool use of tries is described in "TRASH - A dynamic LC-trie and hash data structure", which combines a trie with a hash function.
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edited Oct 5 '10 at 15:3...
Can't use method return value in write context
...in order to check whether that reference points to something that exists), and PHP before 5.5 didn't support references to temporary values returned from functions.
However, the real problem you have is that you use empty() at all, mistakenly believing that "empty" value is any different from "fals...
Finding the author of a line of code in Mercurial
... out who is responsible for a specific line of code? I know the linenumber and the filename but I would like Mercurial to tell me the author(s) of that specific line of code. Is there a command for that?
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