大约有 42,000 项符合查询结果(耗时:0.0393秒) [XML]
Objective-C: Property / instance variable in category
...
Lars BlumbergLars Blumberg
13.1k99 gold badges6565 silver badges9999 bronze badges
...
What is ActiveMQ used for - can we apply messaging concept using a Database?
...
ahmednabil88
11.8k99 gold badges3939 silver badges7878 bronze badges
answered Oct 9 '12 at 18:34
Hiram ChirinoHiram Chi...
How to randomize (or permute) a dataframe rowwise and columnwise?
...,1,1,1,0,1,0,1,1), ncol = 5)
set.seed(4)
out <- permatswap(mat, times = 99, burnin = 20000, thin = 500, mtype = "prab")
This gives:
R> out$perm[[1]]
[,1] [,2] [,3] [,4] [,5]
[1,] 1 0 1 1 1
[2,] 0 1 0 1 0
[3,] 0 0 0 1 1
[4,] 1 0 0 ...
html onchange event not working
...rks for copy-paste, and I think this is the proper solution here (as user "99 Problems - Syntax ain't one" points out below).
– Patrick Finnigan
May 24 '16 at 14:41
...
Why does C++ rand() seem to generate only numbers of the same order of magnitude?
...
Casey ChuCasey Chu
21.9k99 gold badges3535 silver badges5858 bronze badges
add a comm...
What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
...function name when it is used inside of a function. It was added to C in C99. From C99 §6.4.2.2/1:
The identifier __func__ is implicitly declared by the translator as if, immediately following the opening brace of each function definition, the declaration
static const char __func__[] = "function...
Why are these constructs using pre and post-increment undefined behavior?
...
I think the relevant parts of the C99 standard are 6.5 Expressions, §2
Between the previous and next sequence point an object shall have its stored value
modified at most once by the evaluation of an expression. Furthermore, the prior value
shall be r...
Why does PEP-8 specify a maximum line length of 79 characters? [closed]
...y thinks that 79 is optimal, but there's no obvious gain in changing it to 99 or 119 or whatever your preferred line length is. I think the choices are these: follow the rule and find a worthwhile cause to battle for, or provide some data that demonstrates how readability and productivity vary with ...
Load data from txt with pandas
...
Chrisji
29922 silver badges1313 bronze badges
answered Feb 4 '14 at 7:53
pietrovismarapietrovismara
...
What is the difference between syntax and semantics in programming languages?
...d before the first executable statement (this feature has been dropped in C99. C99 and latter allow mixed type declarations.)
Semantics is about the meaning of the sentence. It answers the questions: is this sentence valid? If so, what does the sentence mean? For example:
x++; //...
