大约有 44,987 项符合查询结果（耗时：0.0640秒） [XML]
How to Parse Command Line Arguments in C++? [duplicate]
...follow
|
edited May 21 '13 at 21:22
ChrisN
15.4k88 gold badges5151 silver badges7575 bronze badges
...
How to make a great R reproducible example
When discussing performance with colleagues, teaching, sending a bug report or searching for guidance on mailing lists and here on Stack Overflow, a reproducible example is often asked and always helpful.
...
Ruby: How to post a file via HTTP as multipart/form-data?
...
I like RestClient. It encapsulates net/http with cool features like multipart form data:
require 'rest_client'
RestClient.post('http://localhost:3000/foo',
:name_of_file_param => File.new('/path/to/file'))
It also supports streaming.
...
Generic deep diff between two objects
...
I wrote a little class that is doing what you want, you can test it here.
Only thing that is different from your proposal is that I don't consider
[1,[{c: 1},2,3],{a:'hey'}]
and
[{a:'hey'},1,[3,{c: 1},2]]
to be same, because I think ...
How do I use boolean variables in Perl?
...
In Perl, the following evaluate to false in conditionals:
0
'0'
undef
'' # Empty scalar
() # Empty list
('')
The rest are true. There are no barewords for true or false.
share
|
...
How to Sort Multi-dimensional Array by Value?
...unction($a, $b) {
return $a['order'] - $b['order'];
});
And finally with PHP 7 you can use the spaceship operator:
usort($myArray, function($a, $b) {
return $a['order'] <=> $b['order'];
});
To extend this to multi-dimensional sorting, reference the second/third sorting elements if...
Disabling Chrome cache for website development
I am modifying a site's appearance (CSS modifications) but can't see the result on Chrome because of annoying persistent cache. I tried Shift +refresh but it doesn't work.
...
Can't start Eclipse - Java was started but returned exit code=13
...
There are working combinations of OS, JDK and Eclipse bitness. In my case, I was using a 64-bit JDK with a 32-bit Eclipse on a 64-bit OS. After downgrading the JDK to 32-bit, Eclipse started working.
Use one of the following combinations.
32-bit OS, 32-bit JDK, 32-bit Eclipse ...
Unable to find specific subclass of NSManagedObject
I'm working on developing an app with Core Data. When I created an instance using:
13 Answers
...
ArrayIndexOutOfBoundsException when using the ArrayList's iterator
...
Am I doing that right, as far as iterating through the Arraylist goes?
No: by calling iterator twice in each iteration, you're getting new iterators all the time.
The easiest way to write this loop is using the for-each construct:
for (String s : arrayLi...