大约有 30,000 项符合查询结果(耗时:0.0458秒) [XML]
How to open standard Google Map application from my application?
..."geo:%f,%f", latitude, longitude);
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
context.startActivity(intent);
If you want to specify an address, you should use another form of geo-URI: geo:0,0?q=address.
reference : https://developer.android.com/guide/components/intents-common...
Sending command line arguments to npm script
...pt invoked not via "npm run-script" but directly
var port = process.env.npm_package_config_myPort || 8080
That way, by default npm start will use 8080. You can however configure it (the value will be stored by npm in its internal storage):
npm config set myPackage:myPort 9090
Then, when invokin...
What are Scala context and view bounds?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
What is the motivation for bringing Symbols to ES6?
...ert the Symbol() to any other data type.
It's possible to "make" a symbol based on primitive data type by calling Symbol(data).
In terms of checking the type, nothing changes.
function isSymbol ( variable ) {
return typeof someSymbol === "symbol";
}
var a_Symbol = Symbol("hey!");
var tot...
What's the best way to do a backwards loop in C/C#/C++?
... std::vector
Using iterators
C++ allows you to do this using std::reverse_iterator:
for(std::vector<T>::reverse_iterator it = v.rbegin(); it != v.rend(); ++it) {
/* std::cout << *it; ... */
}
Using indices
The unsigned integral type returned by std::vector<T>::size is not...
What is the difference between is_a and instanceof?
I am aware that instanceof is an operator and that is_a is a method.
9 Answers
9
...
Running Python code in Vim
...cute "update | edit"
" get file path of current file
let s:current_buffer_file_path = expand("%")
let s:output_buffer_name = "Python"
let s:output_buffer_filetype = "output"
" reuse existing buffer window if it exists otherwise create a new one
if !exists("s:buf_nr") || !b...
Fastest way to check if a string matches a regexp in ruby?
...y
require 'benchmark'
str = "aacaabc"
re = Regexp.new('a+b').freeze
N = 4_000_000
Benchmark.bm do |b|
b.report("str.match re\t") { N.times { str.match re } }
b.report("str =~ re\t") { N.times { str =~ re } }
b.report("str[re] \t") { N.times { str[re] } }
b.report("re =~ str...
How can I create a link to a local file on a locally-run web page?
...virtual folder as any other file on your site.
http://sitename.com/virtual_folder_name/filename.fileextension
By the way, this also works with Chrome that otherwise does not accept the file-protocol file://
Hope this helps someone :)
...
Replace multiple strings with multiple other strings
...d a %3";
let pets = ["dog","cat", "goat"];
then
str.replace(/%(\d+)/g, (_, n) => pets[+n-1])
How it works:-
%\d+ finds the numbers which come after a %. The brackets capture the number.
This number (as a string) is the 2nd parameter, n, to the lambda function.
The +n-1 converts the string ...
