大约有 48,000 项符合查询结果(耗时:0.0771秒) [XML]

https://stackoverflow.com/ques... 

round() doesn't seem to be rounding properly

... this is working after searching :) from decimal import Decimal, ROUND_HALF_UP, ROUND_HALF_DOWN # use in rounding floating numbers Decimal(str(655.665)).quantize(Decimal('1.11'), rounding=ROUND_HALF_UP) # Issues and Limitations in floating points ...
https://stackoverflow.com/ques... 

What SOAP client libraries exist for Python, and where is the documentation for them? [closed]

...ludes a web2py server integration that ships with web2py. SOAPpy: Distinct from the abandoned SOAPpy that's hosted at the ZSI link above, this version was actually maintained until 2011, now it seems to be abandoned too. soaplib: Easy to use python library for writing and calling soap web services. ...
https://stackoverflow.com/ques... 

Can the Unix list command 'ls' output numerical chmod permissions?

... I copy and pasted the line from danger89 and found that strangely the output began with %0..o per line, instead of say 755. If anyone else comes across this, the cause appears to be a hidden character between the 0 and o. Once deleted the command is se...
https://stackoverflow.com/ques... 

PEP 8, why no spaces around '=' in keyword argument or a default parameter value?

...to have different conventions IMO, because the difference is already clear from context. The former happens within a function call, and the latter needs to stand alone at the current indentation level. IMO, for variable names longer than 5-6 characters (i.e. real life for most), the variant with spa...
https://stackoverflow.com/ques... 

What is the $? (dollar question mark) variable in shell scripting? [duplicate]

...is called by the exit() ANSI C function, and indirectly when you do return from main. the process that called the exiting child process (Bash), often with fork + exec, can retrieve the exit status of the child with the wait system call Consider the Bash code: $ false $ echo $? 1 The C "equivalen...
https://stackoverflow.com/ques... 

How do you check in python whether a string contains only numbers?

...isdigit method on your str object: if len(isbn) == 10 and isbn.isdigit(): From the isdigit documentation: str.isdigit() Return True if all characters in the string are digits and there is at least one character, False otherwise. Digits include decimal characters and digits that need special handli...
https://stackoverflow.com/ques... 

How to override the properties of a CSS class using another CSS class

...it breaks natural cascading in your style sheet. Following diagram taken from css-tricks.com will help you produce right specificity for your element based on a points structure. Whichever specificity has higher points, will win. Sounds like a game - doesn't it? Checkout sample calculations her...
https://stackoverflow.com/ques... 

What is a vertical tab?

...rm footer. Generally it was coded in the program as a character constant. From the keyboard, it would be CTRL-K. I don't believe anyone would have a reason to use it any more. Most forms are generated in a printer control language like postscript. @Talvi Wilson noted it used in python '\v'. ...
https://stackoverflow.com/ques... 

jQuery: how to change title of document during .ready()?

...Ruby on Rails, and in one of the layouts i have a need to read in a string from a div and set that as the title of the document. What is correct way (if any) to set the title of the document? ...
https://stackoverflow.com/ques... 

How to find index of all occurrences of element in array?

...s an optional second parameter that specifies the index to start searching from, so you can call it in a loop to find all instances of a particular value: function getAllIndexes(arr, val) { var indexes = [], i = -1; while ((i = arr.indexOf(val, i+1)) != -1){ indexes.push(i); } ...