Remove duplicates from an array of objects in JavaScript

Remove duplicates from an array of objects in JavaScript

I have an object that contains an array of objects.things = new Object();things.thing = new Array();things.thing.push({place:"here",name:"stuff"});things.thing.push({place:"there",name:"morestuff"});things.thing.push({place:"there",name:"mo

“cannot resolve symbol R” in Android Studio

“cannot resolve symbol R” in Android Studio

In every instance in all of my classes where I reference R.id.something, the R is in red and it says "cannot resolve symbol R". Also every time there is R.layout.something it is underlined in red and says "cannot resolve method setContentV

Quickly reading very large tables as dataframes in R

Quickly reading very large tables as dataframes in R

I have very large tables (30 million rows) that I would like to load as a dataframes in R. read.table() has a lot of convenient features, but it seems like there is a lot of logic in the implementation that would slow things down. In my c

Get all unique values in an array (remove duplicates)

Get all unique values in an array (remove duplicates)

I have an array of numbers that I need to make sure are unique. I found the code snippet below on the internet and it works great until the array has a zero in it. I found this other script here on SO that looks almost exactly like it, but

How to make a div 100% height of the browser window?

How to make a div 100% height of the browser window?

I have a layout with two columns - a left div and a right div.The right div has a grey background-color, and I need it to expand vertically depending on the height of the user's browser window. Right now the background-color ends at the la

How can I remove duplicate rows?

How can I remove duplicate rows?

What is the best way to remove duplicate rows from a fairly large SQL Server table (i.e. 300,000+ rows)?The rows, of course, will not be perfect duplicates because of the existence of the RowID identity field.MyTableRowID int not null ident

How can I count unique pairs of values in SQL?

How can I count unique pairs of values in SQL?

With the following sql statement I can get all unique values with their counts for a given column:select column, count(column) as count from table group by column order by count desc;How would I get all unique pairs of values with

How to fetch the tables list in database in Laravel 5.1

How to fetch the tables list in database in Laravel 5.1

I need to list out the tables in database, I found the query for SHOW TABLES LIKE 'merTrans%'get the tables but how could I use the foreach to get the table names in Laravel 5.1? 1:To list out the tables in database you can do$tables =

What is the synchronization cost of calling a synchronized method from a synchronized method?

What is the synchronization cost of calling a synchronized method from a synchronized method?

Is there any difference in performance between thissynchronized void x() { y();}synchronized void y() {}and thissynchronized void x() { y();}void y() {} 1:Yes, there is an additional performance cost, unless and until the JVM inlin

How to increment a JavaScript variable using a button press event

How to increment a JavaScript variable using a button press event

Can I create a javascript variable and increment that variable when I press a button (not submit the form).Thanks! 1:Yes:andIncrement 2:The purist way to do this would be to add event handlers to the button, instead of mixing behavior

multiprocessing with large data

multiprocessing with large data

I am using multiprocessing.Pool() to parallelize some heavy computations.The target function returns a lot of data (a huge list). I'm running out of RAM.Without multiprocessing, I'd just change the target function into a generator, by yield

A .bat File, “Call” or Not to “Call”, That is the

A .bat File, “Call” or Not to “Call”, That is the

If from inside a bat file you called another batch file but still had a few remaining operations to complete, how can you make sure that the call to first bat file will after completion or error, will return to the file that called it in th

Unix grep regex containing 'x' but not containing 'y'

Unix grep regex containing 'x' but not containing 'y'

I need a single-pass regex for unix grep that contains, say alpha, but does not contain beta.grep 'alpha' | grep -v 'beta' 1:^((?!beta).)*alpha((?!beta).)*$ would do the trick I think. 2:The other answers here show some ways you can

changing page url without refreshing page

changing page url without refreshing page

Is this even possible?Here's the problem:I have a keyword search with this URL(after searching) : http://localhost/thi/search?keyword=keyThen I have a slider search which uses the AjaxForm plugin (jquery)...when I perform a slider search, o

How to parse Multiple JSON Objects and arrays from a url in android? i am using a example i want it

How to parse Multiple JSON Objects and arrays from a url in android? i am using a example i want it

I want below process on with out editing on server sideI followed this example but over there he is calling data with one json object from a urlcalled "worldpopulation",..but i have a Json data which is having lot of Json objects and array

Ubuntu 12.10 - Ruby gem rmagick missing dependency issue

Ubuntu 12.10 - Ruby gem rmagick missing dependency issue

Like many others I'm having trouble installing rmagick on Ubuntu when running bundle install. I get this error on the bundle install command:Installing rmagick (2.13.1) Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native

Gnuplot workflow involving loops of fits that get multiplotted

Gnuplot workflow involving loops of fits that get multiplotted

I want to do the following in gnuplot:read my files, which are conveniently labeled "filenameN.txt", where N is the Nth file.Fit some polynom fN(x)to the data, using aN, bN,...and plot all of those in a single graphic (multiple plots) using

How to use Google Custom Search for image search in objective c

How to use Google Custom Search for image search in objective c

can any one please tell me how I can use google custom search in my iphone application to search images only. I tried it but it asks for 'cse' or 'cx' parameter. Please help. 1:The Google Custom Search API lets you develop websites and p

Search for case insensitive data from Parse using javascript

Search for case insensitive data from Parse using javascript

I am using Parse.com and access it using Javascript. I want to search data in such a manner that it will not search for case sensitive like if i search abc then it will give abc, Abc, ABC,aBc etc all. but currently it gives only abc.JavaScr

Angular js: Access data filtered in ng-repeat (ngRepeat) from controller

Angular js: Access data filtered in ng-repeat (ngRepeat) from controller

I need to access data that was already filtered on a template (inside a ng-repeat) from my controller.Here's what I mean:I have this table in my template: Name Gender

Get zip code based on lat & long?

Get zip code based on lat & long?

Is there a service or API I can ping, and pass in the lat/long as parameters, where it returns the zip code that lat/long pair is within? This is US-only, so I don't have to worry about international codes, etc.I feel like Google Maps' reve

Subversion diff for zipped xml file

Subversion diff for zipped xml file

I'm using MySQL Workbench to maintain the database schema for an application. The .mwb file that Workbench uses, which is a zipped XML document, is kept in a Subversion repository.The file is treated as binary data by Subversion, so I canno

Why does CONNECT BY LEVEL on a table return extra rows?

Why does CONNECT BY LEVEL on a table return extra rows?

Using CONNECT BY LEVEL seems to return too many rows when performed on a table. What is the logic behind what's happening?Assuming the following table:create table a ( id number );insert into a values (1);insert into a values (2);insert int

Is there a performance overhead to a private inner class in Java?

Is there a performance overhead to a private inner class in Java?

When I have inner classes with private methods or fields the compiler has to create synthetic package-protected accessor methods to allow the outer class to access those private elements (and vice-versa).To avoid that, I usually make all fi

Is it possible to use the logical call context within a unit test in VS 2010?

Is it possible to use the logical call context within a unit test in VS 2010?

Is it possible to make this test not throw an exception? It appears that adding any non-GACed class into the logical call context causes an exception to be thrown in line 2 of the test. Test 'TestProject1.UnitTest1.TestMethod1' failed: T