大约有 40,000 项符合查询结果(耗时:0.0589秒) [XML]
What is the Python equivalent of Matlab's tic and toc functions?
What is the Python equivalent of Matlab's tic and toc functions ?
12 Answers
12
...
How can I safely encode a string in Java to use as a filename?
I'm receiving a string from an external process. I want to use that String to make a filename, and then write to that file. Here's my code snippet to do this:
...
What does %5B and %5D in POST requests stand for?
... characters in the url parameter values.
EDIT By the way as I was reading https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/encodeURI#Description, it just occurred to me why so many people make the same search. See the note on the bottom of the page:
Also note that if...
Why use apparently meaningless do-while and if-else statements in macros?
In many C/C++ macros I'm seeing the code of the macro wrapped in what seems like a meaningless do while loop. Here are examples.
...
How do I replace NA values with zeros in an R dataframe?
...
See my comment in @gsk3 answer. A simple example:
> m <- matrix(sample(c(NA, 1:10), 100, replace = TRUE), 10)
> d <- as.data.frame(m)
V1 V2 V3 V4 V5 V6 V7 V8 V9 V10
1 4 3 NA 3 7 6 6 10 6 5
2 9 8 9 5 10...
“npm config set registry https://registry.npmjs.org/” is not working in windows bat file
...y, can run just npm get registry to see your current, and npm set registry https://registry.npmjs.org/ to set it back to the default.
– AlecRust
Aug 2 '17 at 10:28
...
Database Structure for Tree Data Structure
...
You mention the most commonly implemented, which is Adjacency List:
https://blogs.msdn.microsoft.com/mvpawardprogram/2012/06/25/hierarchies-convert-adjacency-list-to-nested-sets
There are other models as well, including materialized path and nested sets:
http://communities.bmc.com/communitie...
How to configure XAMPP to send mail from localhost?
...calhost.
in php.ini file find [mail function] and change
SMTP=smtp.gmail.com
smtp_port=587
sendmail_from = my-gmail-id@gmail.com
sendmail_path = "\"C:\xampp\sendmail\sendmail.exe\" -t"
Now Open C:\xampp\sendmail\sendmail.ini. Replace all the existing code in sendmail.ini with following code
[se...
Change URL parameters
...
I've extended Sujoy's code to make up a function.
/**
* http://stackoverflow.com/a/10997390/11236
*/
function updateURLParameter(url, param, paramVal){
var newAdditionalURL = "";
var tempArray = url.split("?");
var baseURL = tempArray[0];
var additionalURL = tempA...
Why is Java's Iterator not an Iterable?
Why does the Iterator interface not extend Iterable ?
16 Answers
16
...
