大约有 48,000 项符合查询结果(耗时:0.0675秒) [XML]
Deleting folders in python recursively
I'm having a problem with deleting empty directories. Here is my code:
11 Answers
11
...
Split string every nth character?
Is it possible to split a string every nth character?
16 Answers
16
...
pull out p-values and r-squared from a linear regression
... you pull out the p-value (for the significance of the coefficient of the single explanatory variable being non-zero) and R-squared value from a simple linear regression model? For example...
...
How can I tell how many objects I've stored in an S3 bucket?
Unless I'm missing something, it seems that none of the APIs I've looked at will tell you how many objects are in an S3 bucket / folder(prefix). Is there any way to get a count?
...
Using property() on classmethods
I have a class with two class methods (using the classmethod() function) for getting and setting what is essentially a static variable. I tried to use the property() function with these, but it results in an error. I was able to reproduce the error with the following in the interpreter:
...
How do you do relative time in Rails?
I'm writing a Rails application, but can't seem to find how to do relative time, i.e. if given a certain Time class, it can calculate "30 seconds ago" or "2 days ago" or if it's longer than a month "9/1/2008", etc.
...
The 'json' native gem requires installed build tools
I have ruby 1.9.2p180 (2011-02-18) [i386-mingw32] installed on my windows 7 machine. Now I tried to install the JSON gem using the command, "gem install json" and got the following error.
...
CSS selector - element with a given child [duplicate]
I'm looking to make a selector which will select all elements if they have a specific child element. For example, select all <div> with a child <span> .
...
Convert hex color value ( #ffffff ) to integer value
I am receiving hex color values from a server (in this form, #xxxxxx , example #000000 for black)
9 Answers
...
How to run Django's test database only in memory?
My Django unit tests take a long time to run, so I'm looking for ways to speed that up. I'm considering installing an SSD , but I know that has its downsides too. Of course, there are things I could do with my code, but I'm looking for a structural fix. Even running a single test is slow since the ...
