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Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
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This is my answer from the duplicate thread (!):
When writing this entry 2014 - all examples were for-loops or jQuery. Javascript has the perfect tools for this: sort, map and reduce.
Find duplicate items
var names = ['Mike', 'Matt', 'Nancy', 'Adam', 'Jenn...
How do I define and use an ENUM in Objective-C?
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Copy/paste documentation which has already given, the link which is the main page is really not helping to another people...
– Onder OZCAN
Apr 28 '15 at 7:07
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How to use ? : if statements with Razor and inline code blocks
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I went for this one, feels clean and is easy to read back later
– Dan Harris
Feb 6 '18 at 16:17
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Using curl to upload POST data with files
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Here is my solution, I have been reading a lot of posts and they were really helpful. Finally I wrote some code for small files, with cURL and PHP that I think its really useful.
public function postFile()
{
$file_url = "test.txt"; //here is th...
What is the HTML tabindex attribute?
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@AlyssaGono you seem to have not read the answer with 85 upvotes... tabindex of -1 means that you cannot reach that element with pressing the tab button
– John Ruddell
Jan 8 '15 at 19:33
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【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...试从inet_sock结构中获取
struct ip_options_rcu *inet_opt;
rcu_read_lock();
inet_opt = rcu_dereference(inet->inet_opt);
if (inet_opt) { //如果setsockopt设置了ip选项
memcpy(&opt_copy, inet_opt,
sizeof(*inet_opt) + inet_opt->opt.optlen);
ipc.opt = &opt_copy.o...
What is the difference between IQueryable and IEnumerable?
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Worth reading this article
– JenonD
Oct 30 '13 at 4:07
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How can I get name of element with jQuery?
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To read a property of an object you use .propertyName or ["propertyName"] notation.
This is no different for elements.
var name = $('#item')[0].name;
var name = $('#item')[0]["name"];
If you specifically want to use jQuery...
Python: Convert timedelta to int in a dataframe
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Timedelta objects have read-only instance attributes .days, .seconds, and .microseconds.
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How do I determine whether an array contains a particular value in Java?
...er I agree, but this is still better then "rolling your own" and easier to read then the raw java way.
– Jason
Dec 7 '12 at 17:48
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