大约有 37,000 项符合查询结果（耗时：0.0344秒） [XML]
What does the “+” (plus sign) CSS selector mean?
For example:
11 Answers
11
...
Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
...
There's a dynamic programming solution. We start off knowing 0 keys can make us 0 A's. Then we iterate through for i up to n, doing two things: pressing A once and pressing select all + copy followed by paste j times (actually j-i-1 below; not...
LINQ order by null column where order is ascending and nulls should be last
I'm trying to sort a list of products by their price.
10 Answers
10
...
Trying to embed newline in a variable in bash [duplicate]
...
Summary
Inserting \n
p="${var1}\n${var2}"
echo -e "${p}"
Inserting a new line in the source code
p="${var1}
${var2}"
echo "${p}"
Using $'\n' (only bash and zsh)
p="${var1}"$'\n'"${var2}"
echo "${p}"
Details
1. Inserting \n
p="${var1}\n${...
What does the “>” (greater-than sign) CSS selector mean?
For example:
8 Answers
8
...
A simple explanation of Naive Bayes Classification
I am finding it hard to understand the process of Naive Bayes, and I was wondering if someone could explain it with a simple step by step process in English. I understand it takes comparisons by times occurred as a probability, but I have no idea how the training data is related to the actual datase...
jQuery load more data on scroll
I am just wondering how can i implement more data on scroll only if the div.loading is visible.
9 Answers
...
How do I lowercase a string in C?
... standard library, and that's the most straight forward way I can see to implement such a function. So yes, just loop through the string and convert each character to lowercase.
Something trivial like this:
#include <ctype.h>
for(int i = 0; str[i]; i++){
str[i] = tolower(str[i]);
}
or ...
Capturing standard out and error with Start-Process
Is there a bug in PowerShell's Start-Process command when accessing the StandardError and StandardOutput properties?
...
What are the mathematical/computational principles behind this game?
My kids have this fun game called Spot It! The game constraints (as best I can describe) are:
9 Answers
...