Singleton by Jon Skeet clarification
``` public sealed class Singleton { Singleton() {} public static Singleton Instance { get { return Nested.instance; } } class Nested { ...
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- 11 Mar at 12:41
Is there any way to delete local commits in Mercurial?
So I keep making a silly mistake in Mercurial. Often times, I'll start work without doing an "hg pull" and an "hg update." When I try to push my changes, I get an error. Is there any way to delete ...
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- 24 Jan at 06:9
Capitalize words in string
What is the best approach to capitalize words in a string?
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- 30 Oct at 10:42
Copy folder recursively, excluding some folders
I am trying to write a simple bash script that will copy the entire contents of a folder including hidden files and folders into another folder, but I want to exclude certain specific folders. How co...
Ajax success event not working
I have a registration form and am using `$.ajax` to submit it. ``` $(document).ready(function() { $("form#regist").submit(function() { var str = $("#regist").serialize(); $.ajax...
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- 12 Feb at 12:1
How to send parameters from a notification-click to an activity?
I can find a way to send parameters to my activity from my notification. I have a service that creates a notification. When the user clicks on the notification I want to open my main activity with so...
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- 3 Jul at 11:1
Getting Django admin url for an object
Before Django 1.0 there was an easy way to get the admin url of an object, and I had written a small filter that I'd use like this: `<a href="{{ object|admin_url }}" .... > ... </a>` Basically I was ...
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- 23 Jan at 16:40
Which is the fastest algorithm to find prime numbers?
Which is the fastest algorithm to find out prime numbers using C++? I have used sieve's algorithm but I still want it to be faster!
Unit testing void methods?
What is the best way to unit test a method that doesn't return anything? Specifically in c#. What I am really trying to test is a method that takes a log file and parses it for specific strings. The ...
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- 17 Aug at 09:0
In SQL, how can you "group by" in ranges?
Suppose I have a table with a numeric column (lets call it "score"). I'd like to generate a table of counts, that shows how many times scores appeared in each range. For example: In this example ...
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- 9 Nov at 05:38
What is the C# equivalent of friend?
> [Why does C# not provide the C++ style ‘friend’ keyword?](https://stackoverflow.com/questions/203616/why-does-c-sharp-not-provide-the-c-style-friend-keyword) I'd like the private member vari...
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- 19 Jan at 15:22
How can I quantify difference between two images?
Here's what I would like to do: I'm taking pictures with a webcam at regular intervals. Sort of like a time lapse thing. However, if nothing has really changed, that is, the picture pretty much th...
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- 4 Jun at 20:47
Error: Cannot install in Homebrew on ARM processor in Intel default prefix (/usr/local)
I use the latest `Apple M1` chip processor. And I keep getting errors while application installation. say., ``` brew install openjdk@11 ``` ``` Error: Cannot install in Homebrew on ARM processor in I...
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- 4 Dec at 08:9
VueJS conditionally add an attribute for an element
In VueJS we can add or remove a DOM element using v-if: ``` <button v-if="isRequired">Important Button</button> ``` but is there a way to add / remove attributes of a dom element eg for the followi...
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- 18 Mar at 15:40
Remove a modified file from pull request
I have 3 modified files (no new files) in a pull request at the moment. I would like to remove one of those files from the pull request, so that the pull request only contains changes to two files a...
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- 4 Jun at 13:59
How do you deploy Angular apps?
How do you deploy Angular apps once they reach the production phase? All the guides I've seen so far (even on [angular.io](https://angular.io/)) are counting on a lite-server for serving and browse...
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- 20 Dec at 20:52
Docker error response from daemon: "Conflict ... already in use by container"
I've been using Docker on my PC to run Quantum GIS with the following instructions I've found here: [docker-qgis-desktop - A simple docker container that runs QGIS desktop](https://registry.hub.docker...
Why does PyCharm propose to change method to static?
The new pycharm release (3.1.3 community edition) proposes to convert the methods that don't work with the current object's state to static. ![enter image description here](https://i.stack.imgur.com/...
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- 25 Mar at 18:43
What is @RenderSection in asp.net MVC
What is the purpose of @RenderSection and how does it function? I understand what bundles do, but I have yet to figure out what this does and it's probably important. ``` @RenderSection("scripts", re...
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- 6 Jun at 22:27
PHP - Move a file into a different folder on the server
I need to allow users on my website to delete their images off the server after they have uploaded them if they no longer want them. I was previously using the `unlink` function in PHP but have since ...
How can I use Google's Roboto font on a website?
I want to use Google's Roboto font on my website and I am following this tutorial: [http://www.maketecheasier.com/use-google-roboto-font-everywhere/2012/03/15](http://www.maketecheasier.com/use-googl...
Install shows error in console: INSTALL FAILED CONFLICTING PROVIDER
I am experimenting with the NotesList sample program in the Android SDK. I've made a slight variation in the program, but when I install my edited version I keep getting the message INSTALL_FAILED_CON...
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- 16 Sep at 19:11
Laravel redirect back to original destination after login
This seems like a pretty basic flow, and `Laravel` has so many nice solutions for basic things, I feel like I'm missing something. A user clicks a link that requires authentication. Laravel's filte...
What is App.config in C#.NET? How to use it?
I have done a project in C#.NET where my database file is an Excel workbook. Since the location of the connection string is hard coded in my coding, there is no problem for installing it in my system,...
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- 24 Mar at 08:54
Setting different color for each series in scatter plot on matplotlib
Suppose I have three data sets: ``` X = [1,2,3,4] Y1 = [4,8,12,16] Y2 = [1,4,9,16] ``` I can scatter plot this: ``` from matplotlib import pyplot as plt plt.scatter(X,Y1,color='red') plt.scatter(X...
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- 29 Dec at 19:48