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TaifunPlayer 扩展（Audio Player）：音频播放器扩展，支持流媒体播放控制 ...
...，原作者为 Taifun。
原始链接：https://puravidaapps.com/player.php
文档翻译和整理：AI2中文网
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How to disable python warnings
...lter("ignore")
fxn()
I don't condone it, but you could just suppress all warnings with this:
import warnings
warnings.filterwarnings("ignore")
Ex:
>>> import warnings
>>> def f():
... print('before')
... warnings.warn('you are warned!')
... print('after')
>>> ...
How to len(generator()) [duplicate]
...
Generators have no length, they aren't collections after all.
Generators are functions with a internal state (and fancy syntax). You can repeatedly call them to get a sequence of values, so you can use them in loop. But they don't contain any elements, so asking for the length of ...
uint8_t vs unsigned char
...
It documents your intent - you will be storing small numbers, rather than a character.
Also it looks nicer if you're using other typedefs such as uint16_t or int32_t.
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Why should I use 'li' instead of 'div'?
...ook exactly the same so where is the functional advantage to creating an unordered list vs lining up divs?
15 Answers
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How can I iterate over files in a given directory?
...e rules used by the Unix shell, although results are returned in arbitrary order. No tilde expansion is done, but *, ?, and character ranges expressed with [] will be correctly matched.
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how to use javascript Object.defineProperty
...rs = new Product("Sneakers",20);
sneakers.discount = 50; // 50, setter is called
sneakers.discount+= 20; // 70, setter is called
sneakers.discount+= 20; // 80, not 90!
alert(sneakers.discount); // getter is called
Note the last but one line: the responsibility for correct discount value was moved ...
psql invalid command \N while restore sql
.... I suggest:
inserting a single, small table (e.g., pg_restore
--table=orders full_database.dump > orders.dump )
if you don't have a small one, then delete a bunch of records out of the restore script - I just made sure the ./ was the last row to be loaded (e.g., open orders.dump and delete...
Objective-C : BOOL vs bool
..., you can assume that BOOL is a char. You can use the (C99) bool type, but all of Apple's Objective-C frameworks and most Objective-C/Cocoa code uses BOOL, so you'll save yourself headache if the typedef ever changes by just using BOOL.
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Using variables inside a bash heredoc
... the
lines in the here-document are not expanded. If word is unquoted, all
lines of the here-document are subjected to parameter expansion, command substitution, and arithmetic expansion. [...]
If you change your first example to use <<EOF instead of << "EOF" you'll find that i...