大约有 40,000 项符合查询结果（耗时：0.1376秒） [XML]
Javascript sort array by two fields
...iot proof - but doesn't seem necessary.
function getSortMethod(){
var _args = Array.prototype.slice.call(arguments);
return function(a, b){
for(var x in _args){
var ax = a[_args[x].substring(1)];
var bx = b[_args[x].substring(1)];
var cx;
...
How to pass command line arguments to a rake task
... symbol arguments to the task call. For example:
require 'rake'
task :my_task, [:arg1, :arg2] do |t, args|
puts "Args were: #{args} of class #{args.class}"
puts "arg1 was: '#{args[:arg1]}' of class #{args[:arg1].class}"
puts "arg2 was: '#{args[:arg2]}' of class #{args[:arg2].class}"
end
ta...
LINQ order by null column where order is ascending and nulls should be last
...nslated to LINQ method calls.
It turns out that
var products = from p in _context.Products
where p.ProductTypeId == 1
orderby p.LowestPrice.HasValue descending
orderby p.LowestPrice descending
select p;
will be translated by the compile...
Return index of greatest value in an array
...s say I have more than one index with the same highest value, how do I get all these indexes?
– ed1nh0
Apr 15 '19 at 14:02
1
...
NULL vs nullptr (Why was it replaced?) [duplicate]
...problem" of my answer, plus it's a nice reference. This answer is just a small part of the reasons.
– Cheers and hth. - Alf
Dec 11 '13 at 3:22
1
...
How to convert IPython notebooks to PDF and HTML?
...
If you have LaTeX installed you can download as PDF directly from Jupyter notebook with File -> Download as -> PDF via LaTeX (.pdf). Otherwise follow these two steps.
For HTML output, you should now use Jupyter in place of IPython and sele...
Android : difference between invisible and gone?
...! I have no answer for your question. If you think this was very clear for all users, then the accepted answer should be a comment and have a link of documentation site. Am I correct?
– Pankaj Kumar
Mar 12 '15 at 6:09
...
Can C++ code be valid in both C++03 and C++11 but do different things?
... // #1
void f(...); // #2
template<int N> void g() {
f(0*N); // Calls #2; used to call #1
}
Rounded results after integer division and modulo
In C++03 the compiler was allowed to either round towards 0 or towards negative infinity. In C++11 it is mandatory to round towards 0
int i = (-1) ...
Calling shell functions with xargs
...
Exporting the function should do it (untested):
export -f echo_var
seq -f "n%04g" 1 100 | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {}
You can use the builtin printf instead of the external seq:
printf "n%04g\n" {1..100} | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {}
...
Read error response body in Java
...ere is to code like this:
HttpURLConnection httpConn = (HttpURLConnection)_urlConnection;
InputStream _is;
if (httpConn.getResponseCode() < HttpURLConnection.HTTP_BAD_REQUEST) {
_is = httpConn.getInputStream();
} else {
/* error from server */
_is = httpConn.getErrorStream();
}
...