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sql - Postgres not using index when index scan is much better option

I have a simple query to join two tables that's being really slow. I found out that the query plan ... ~10m rows email_recipients: ~11m rows See Question&Answers more detail:os...

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javascript - showing progressbar progress with ajax request

I want to show progress with jquery ui progress bar when an ajax request fires and when it finishes. The ... '#progressbar').fadeOut(); } See Question&Answers more detail:os...

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MySQL Query to calculate the Previous Month

I would like to calculate total order amount in the previous month. I got the query for getting the data ... how to calculate Previous Months. See Question&Answers more detail:os...

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c# - How to retain spaces in DropDownList - ASP.net MVC Razor views

I'm binding my model in the following way in the view: <%=Html.DropDownList("SelectedItem",new SelectList(Model. ... way I can achieve this? See Question&Answers more detail:os...

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python - Numpy: views vs copy by slicing

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Meteor: how to search for only distinct field values aka a collection.distinct("fieldname") similar to Mongo's

I'm using Meteor, and I'm trying to find only distinct (unique) values of a field. Mongodb has the ... can probably bash something workable out. See Question&Answers more detail:os...

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apache spark - Mind blown: RDD.zip() method

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android - HTML5 Audio can't play through Javascript unless triggered manually once

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Bash shell Decimal to Binary base 2 conversion

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c++ - library is linked but reference is undefined

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security - Understanding CSRF

I don't understand how using a 'challenge token' would add any sort of prevention: what value should ... bookmarking harder for the user. See Question&Answers more detail:os...

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java - Spring security added prefix "ROLE_" to all roles name?

I have this code in my Web Security Config: @Override protected void configure(HttpSecurity http) throws Exception { ... " instead "ADMIN"? See Question&Answers more detail:os...

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python - Improve Pandas Merge performance

I specifically dont have performace issue with Pands Merge, as other posts suggest, but I've a class in which ... number, in minutes. Thanks See Question&Answers more detail:os...

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migration - Deploying a Jersey webapp on Jboss AS 7

Currently running some webapps on Jboss AS 4/5 and I am testing migration to jboss7. When I try to deploy a ... seen any solutions for AS 7. See Question&Answers more detail:os...

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objective c - Facebook Login - iOS 9 - Without Safari

It worked fine to login with logInWithReadPermissions in iOS 8, but as soon after the update to iOS 9 it keeps opening ... { NSLog(@""); }]; See Question&Answers more detail:os...

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oop - How to implement a decorator in PHP?

Suppose there is a class called "Class_A", it has a member function called "func". I want the "func" to do ... put some extra work to a array. See Question&Answers more detail:os...

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Tomcat Not Starting Through Eclipse (Timeout)

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c - Using sys/socket.h functions on windows

I'm attempting to utilize the socket.h functions within Windows. Essentially, I'm currently looking at the ... a UNIX environment. Thanks. See Question&Answers more detail:os...

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newline - How to write new line character to a file in Java

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php - Making a HTTP GET request with HTTP-Basic authentication

I need to build a proxy for a Flash Player project I'm working on. I simply need to make a HTTP GET request ... source. How can I do this? See Question&Answers more detail:os...

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c++ - When is std::chrono epoch?

std::chrono::time_point::time_since_epoch() returns a duration, referred to some time_point in the past. When is such ... to 1 January 1970 UTC? See Question&Answers more detail:os...

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Replace string in javascript array

I have an array in javascript. This array has strings that contains commas (","). I want all commas to be ... this array. Can this be done? See Question&Answers more detail:os...

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python - Convert NumPy array to 0 or 1 based on threshold

I have an array below: a=np.array([0.1, 0.2, 0.3, 0.7, 0.8, 0.9]) What I want is to convert this vector to ... , 0, 1, 1, 1] How can I do this? See Question&Answers more detail:os...

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python - How to bind events to Canvas items?

If I'm using a canvas to display data and I want the user to be able to click on various items on the ... clicks specific items on the canvas. See Question&Answers more detail:os...

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python - How to compute the nth root of a very big integer

I need a way to compute the nth root of a long integer ... 613682478900505821893815926193600121890632 See Question&Answers more detail:os...

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python - Setting selenium to use custom profile, but it keeps opening with default

I am trying to use python and selenium to automate some tasks in firefox. When I download a file, that ... driver = webdriver.Firefox(profile) See Question&Answers more detail:os...

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What Does It Mean For a C++ Function To Be Inline?

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ASP.NET Web API, unexpected end of MIME multi-part stream when uploading from Flex FileReference

Following the tutorial found on ASP.NET, implemented a Web API controller method for doing asynchronous file uploads ... cause of my issue. See Question&Answers more detail:os...

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