大约有 16,000 项符合查询结果（耗时：0.0373秒） [XML]
byte[] to hex string [duplicate]
How do I convert a byte[] to a string ? Every time I attempt it, I get
19 Answers
...
Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]
What is better: void foo() or void foo(void) ?
With void it looks ugly and inconsistent, but I've been told that it is good. Is this true?
...
What is the fastest or most elegant way to compute a set difference using Javascript arrays?
Let A and B be two sets. I'm looking for really fast or elegant ways to compute the set difference ( A - B or A \B , depending on your preference) between them. The two sets are stored and manipulated as Javascript arrays, as the title says.
...
Python “extend” for a dictionary
What is the best way to extend a dictionary with another one while avoiding the use of a for loop? For instance:
7 Answer...
How can I select multiple columns from a subquery (in SQL Server) that should have one record (selec
I Know I can select a column from a subquery using this syntax:
5 Answers
5
...
Simplest code for array intersection in javascript
What's the simplest, library-free code for implementing array intersections in javascript? I want to write
35 Answers
...
How to concatenate two numbers in javascript?
...
Use "" + 5 + 6 to force it to strings. This works with numerical variables too:
var a = 5;
var b = 6;
console.log("" + a + b);
share
|
improve this answer
|
...
How to avoid overflow in expr. A * B - C * D
I need to compute an expression which looks like:
A*B - C*D , where their types are: signed long long int A, B, C, D;
Each number can be really big (not overflowing its type). While A*B could cause overflow, at same time expression A*B - C*D can be really small. How can I compute it correctly...
Sort array of objects by single key with date value
I have an array of objects with several key value pairs, and I need to sort them based on 'updated_at':
19 Answers
...
Difference between `constexpr` and `const`
What's the difference between constexpr and const ?
9 Answers
9
...