Questions

How to implement a pop-up dialog box in iOS?

After a calculation, I want to display a pop up or alert box conveying a message to the user. Does anyone know where I can find more information about this?

9 Sep at 00:8

How to create Drawable from resource

I have an image `res/drawable/test.png` (R.drawable.test). I want to pass this image to a function which accepts `Drawable`, e.g. `mButton.setCompoundDrawables()`. So how can I convert an image resou...

17 May at 10:19

How to read if a checkbox is checked in PHP?

How to read if a checkbox is checked in PHP?

8 Feb at 22:26

Can you test google analytics on a localhost address?

I have to test out my new GA account on my local machine. Will this work just by copying the standard snippet supplied by Google onto the page ? I don't want to spend 24 hours waiting to see if it...

30 Mar at 21:38

What's the reason I can't create generic array types in Java?

What's the reason why Java doesn't allow us to do ``` private T[] elements = new T[initialCapacity]; ``` I could understand .NET didn't allow us to do that, as in .NET you have value types that at ...

12 Mar at 10:19

Flutter: how to prevent device orientation changes and force portrait?

I would like to prevent my application from changing its orientation and force the layout to stick to "portrait". In the main.dart, I put: ``` void main(){ SystemChrome.setPreferredOrientations([ ...

26 Dec at 09:42

How to enable CORS in ASP.net Core WebAPI

I have a backend ASP.Net Core Web API hosted on an Azure Free Plan (Source Code: [https://github.com/killerrin/Portfolio-Backend](https://github.com/killerrin/Portfolio-Backend)). I also have a Cl...

19 Jan at 16:28

The create-react-app imports restriction outside of src directory

I am using create-react-app. I am trying to call an image from my public folder from a file inside my `src/components`. I am receiving this error message. > ./src/components/website_index.js Module n...

Android - Adding at least one Activity with an ACTION-VIEW intent-filter after Updating SDK version 23

I am getting the following tool tip in : > App is not indexable by Google Search; consider adding at least one Activity with an ACTION-VIEW intent-filler. See issue explanation for more details.Adds d...

Timeout for python requests.get entire response

I'm gathering statistics on a list of websites and I'm using requests for it for simplicity. Here is my code: ``` data=[] websites=['http://google.com', 'http://bbc.co.uk'] for w in websites: r= r...

5 Oct at 15:54

How to rename files and folder in Amazon S3?

Is there any function to rename files and folders in Amazon S3? Any related suggestions are also welcome.

5 Jun at 12:7

Error when using 'sed' with 'find' command on OS X: "invalid command code ."

Being forced to use CVS for a current client and the address changed for the remote repo. The only way I can find to change the remote address in my local code is a recursive search and replace. Howe...

3 Sep at 11:4

Choose Git merge strategy for specific files ("ours", "mine", "theirs")

I am in the middle of rebasing after a `git pull --rebase`. I have a few files that have merge conflicts. How can I accept "their" changes or "my" changes for specific files? ``` $ git status # Not...

2 Aug at 00:24

How to set bootstrap navbar active class with Angular JS?

If I have a navbar in bootstrap with the items ``` Home | About | Contact ``` How do I set the active class for each menu item when they are active? That is, how can I set `class="active"` when the...

How does functools partial do what it does?

I am not able to get my head on how the `partial` works in `functools`. I have the following code from [here](https://stackoverflow.com/questions/3252228/python-why-is-functools-partial-necessary): ``...

How to import Google Web Font in CSS file?

I'm working with a CMS which I only have access to the CSS file. So, I can't include anything in the `<head>` of the document. I was wondering if there was a way to import the web font from within the...

15 May at 12:46

How do I set a cookie on HttpClient's HttpRequestMessage

I am trying to use the web api's `HttpClient` to do a post to an endpoint that requires login in the form of an HTTP cookie that identifies an account (this is only something that is `#ifdef`'ed out o...

11 Sep at 16:38

How do you split and unsplit a window/view in Eclipse IDE?

How do you split a window/view in Eclipse IDE? I want to edit code while viewing the different code in the same file. If there is a trick to open the same file twice, this might do, but I would rathe...

31 Jul at 11:41

Install MySQL on Ubuntu without a password prompt

How do I write a script to install MySQL server on Ubuntu? `sudo apt-get install mysql` will install, but it will also ask for a password to be entered in the console. How do I do this in a non-inte...

18 Sep at 18:56

Use of "instanceof" in Java

> [What is the 'instanceof' operator used for?](https://stackoverflow.com/questions/7313559/what-is-the-instanceof-operator-used-for) I learned that Java has the `instanceof` operator. Can you el...

22 Jul at 14:59

Boolean operators && and ||

According to the [R language definition](https://cran.r-project.org/doc/manuals/r-release/R-lang.html#Operators), the difference between `&` and `&&` (correspondingly `|` and `||`) is that the former ...

Python function overloading

I know that Python does not support method overloading, but I've run into a problem that I can't seem to solve in a nice Pythonic way. I am making a game where a character needs to shoot a variety of ...

How to log formatted message, object array, exception?

What is the correct approach to log both a populated message and a stack trace of the exception? ``` logger.error( "\ncontext info one two three: {} {} {}\n", new Object[] {"1", "2", "3"}, ...

4 Feb at 13:12

Remove an entire column from a data.frame in R

Does anyone know how to remove an entire column from a data.frame in R? For example if I am given this data.frame: ``` > head(data) chr genome region 1 chr1 hg19_refGene CDS 2 chr1 hg19_r...

7 Nov at 09:14

Run jar file in command prompt

How do we run a jar file in command prompt?

23 May at 12:10