大约有 47,000 项符合查询结果(耗时:0.0516秒) [XML]
How to convert a boolean array to an int array
I use Scilab, and want to convert an array of booleans into an array of integers:
6 Answers
...
Javascript seconds to minutes and seconds
This is a common problem but I'm not sure how to solve it. The code below works fine.
27 Answers
...
How to format a Java string with leading zero?
Here is the String, for example:
21 Answers
21
...
How is a CRC32 checksum calculated?
Maybe I'm just not seeing it, but CRC32 seems either needlessly complicated, or insufficiently explained anywhere I could find on the web.
...
how do I work around log4net keeping changing publickeytoken
We have an asp.net 4.0 project which uses a couple of frameworks which is dependent on log4net version 1.2.10.0. Today I tried to include a new framework which is dependent on log4net version 1.2.11.0, I've been stuck ever since:
...
Group by multiple columns in dplyr, using string vector input
I'm trying to transfer my understanding of plyr into dplyr, but I can't figure out how to group by multiple columns.
9 Answ...
How do I use a Boolean in Python?
Does Python actually contain a Boolean value? I know that you can do:
7 Answers
7
...
How to create a drop shadow only on one side of an element?
Is there a way to drop the shadow only on the bottom?. I have a menu with 2 images next to each other. I don't want a right shadow because it overlaps the right image. I don't like to use images for this so is there a way to drop it only on the bottom like:
...
How can I create a two dimensional array in JavaScript?
I have been reading online and some places say it isn't possible, some say it is and then give an example and others refute the example, etc.
...
How to get the type of a variable in MATLAB?
Does MATLAB have a function/operator that indicates the type of a variable (similar to the typeof operator in JavaScript)?
...
