大约有 40,000 项符合查询结果(耗时:0.0746秒) [XML]
What does DIM stand for in Visual Basic and BASIC?
...bles that needed to be declared were arrays. The "Dim" keyword was used to set the dimensions of this array.
– Chris Simpson
Jun 23 '09 at 16:13
28
...
How do I get currency exchange rates via an API such as Google Finance? [closed]
...}
###CurrencyApi.net###
Free Plan for 1250 monthly hits
Base currency is set as USD on free account
Requires registration.
Documentation: currencyapi.net/documentation
JSON Response:
{
"valid": true,
"timestamp": 1567957373,
"base": "USD",
"rates": {
"AED": 3.673042,
...
Firefox 'Cross-Origin Request Blocked' despite headers
...
For me the fix was to set withCredentials=true on the XHR instance; otherwise Firefox failed to use the client cert when making the request (worked fine in Chrome, however).
– Clint Harris
Dec 4 '15 at 16:57
...
Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
I have some C++ code that prints a size_t :
9 Answers
9
...
Text editor to open big (giant, huge, large) text files [closed]
... still supports searching (with regexes), printing, a hex editor mode, and settings.
loxx (Windows) – Supports file following, highlighting, line numbers, huge files, regex, multiple files and views, and much more. The free version can not: process regex, filter files, synchronize timestamps, and ...
TCPClient TCP客户端扩展:连接TCP服务器进行文本消息通信 · App Inventor 2 中文网
...,并通过 TCP 逐行交换文本消息。消息以行分隔符(CR、LF 或 CRLF)结束。
主要功能
连接到 TCP 服务器
支持双向文本消息传输
支持多种字符编码(US-ASCII、UTF-8、ISO-8859-1、UTF-16等)
支持行分隔符配置
...
How do I configure a Python interpreter in IntelliJ IDEA with the PyCharm plugin?
...terpreter" page. Even after installing the Python plugin, I don't see that setting anywhere.
5 Answers
...
How to randomize (or permute) a dataframe rowwise and columnwise?
...s.
mat <- matrix(c(1,1,0,0,0,0,0,1,1,0,0,0,1,1,1,0,1,0,1,1), 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,] ...
Override body style for content in an iframe
...s code uses vanilla JavaScript. It creates a new <style> element. It sets the text content of that element to be a string containing the new CSS. And it appends that element directly to the iframe document's head.
var iframe = document.getElementById('the-iframe');
var style = document.create...
Rotating a two-dimensional array in Python
In a program I'm writing the need to rotate a two-dimensional array came up. Searching for the optimal solution I found this impressive one-liner that does the job:
...
