Questions

How to comment and uncomment blocks of code in the Office VBA Editor

In the VBA editor of Office ( + ), how do you comment or uncomment a block of code?

2 Apr at 18:5

Replace specific characters within strings

I would like to remove specific characters from strings within a vector, similar to the feature in Excel. Here are the data I start with: ``` group <- data.frame(c("12357e", "12575e", "197e18", "e...

Insert string at specified position

Is there a PHP function that can do that? I'm using `strpos` to get the position of a substring and I want to insert a `string` after that position.

26 Sep at 12:31

Making a private method public to unit test it...good idea?

--- I occasionally find myself needing to make a private method in a class public just to write some unit tests for it. Usually this would be because the method contains logic shared between ot...

19 Nov at 15:54

How to call an async method from a getter or setter?

What'd be the most elegant way to call an async method from a getter or setter in C#? Here's some pseudo-code to help explain myself. ``` async Task<IEnumerable> MyAsyncMethod() { return await D...

2 Apr at 13:50

SQL keys, MUL vs PRI vs UNI

What is the difference between `MUL`, `PRI` and `UNI` in MySQL? I'm working on a MySQL query, using the command: ``` desc mytable; ``` One of the fields is shown as being a `MUL` key, others show ...

5 Sep at 08:35

How to connect to MySQL from the command line

How can you connect to MySQL from the command line in a Mac? (i.e. show me the code) I'm doing a PHP/SQL tutorial, but it starts by assuming you're already in MySQL.

Change a branch name in a Git repo

How do I rename an existing branch in a Git repo? I want the current branch to have a new name.

20 Apr at 03:36

How do I get the YouTube video ID from a URL?

I want to get the `v=id` from YouTube’s URL with JavaScript (no jQuery, pure JavaScript). ## Example YouTube URL formats `http://www.youtube.com/watch?v=u8nQa1cJyX8&a=GxdCwVVULXctT2lYDEPllDR0LRTu...

11 Aug at 01:52

C++ Erase vector element by value rather than by position?

``` vector<int> myVector; ``` and lets say the values in the vector are this (in this order): ``` 5 9 2 8 0 7 ``` If I wanted to erase the element that contains the value of "8", I think I would ...

How do I prevent site scraping?

I have a fairly large music website with a large artist database. I've been noticing other music sites scraping our site's data (I enter dummy Artist names here and there and then do google searches ...

In Python, how do I split a string and keep the separators?

Here's the simplest way to explain this. Here's what I'm using: ``` re.split('\W', 'foo/bar spam\neggs') >>> ['foo', 'bar', 'spam', 'eggs'] ``` Here's what I want: ``` someMethod('\W', 'foo/bar spam\...

1 Jun at 12:1

Sound effects in JavaScript / HTML5

I'm using HTML5 to program games; the obstacle I've run into now is how to play sound effects. The specific requirements are few in number: - - - - My first approach was to use the HTML5 `<audio>`...

2 Jan at 18:58

How do I find the .NET version?

How do I find out which version of .NET is installed? I'm looking for something as simple as `java -version` that I can type at the command prompt and that tells me the current version(s) installed. I...

17 Jun at 07:4

Auto-size dynamic text to fill fixed size container

I need to display user entered text into a fixed size div. What i want is for the font size to be automatically adjusted so that the text fills the box as much as possible. So - If the div is 400px ...

27 Mar at 01:12

How to convert DateTime to VarChar

I need to convert a value which is in a `DateTime` variable into a `varchar` variable formatted as `yyyy-mm-dd` format (without time part). How do I do that?

11 Jan at 21:28

An error, "failed to solve with frontend dockerfile.v0"

I was trying to build my Docker image for my [Gatsby](https://www.gatsbyjs.com/) application. Whenever I run the command `docker build . -t gatsbyapp`, it gives me an error: ``` failed to solve with f...

upstream sent too big header while reading response header from upstream

I am getting these kind of errors: > 2014/05/24 11:49:06 [error] 8376#0: *54031 upstream sent too big header while reading response header from upstream, client: 107.21.193.210, server: aamjanata.com...

Cannot ping AWS EC2 instance

I have an EC2 instance running in AWS. When I try to ping from my local box it is not available. How can I make the instance pingable?

angular.min.js.map not found, what is it exactly?

When I load the page and check chrome console i find these errors: ![enter image description here](https://i.stack.imgur.com/U3lBw.png) what exactly are map files in angular? I did reference the an...

25 Aug at 05:6

How to add many functions in ONE ng-click?

I've be looking for how to execute this but I can't find anything related so far, :( I could nest both functions yes but I'm just wondering if this is possible? I'd like to do this literally: ``` <t...

4 Aug at 06:13

Difference between "module.exports" and "exports" in the CommonJs Module System

On this page ([http://docs.nodejitsu.com/articles/getting-started/what-is-require](https://web.archive.org/web/20130930091238/http://docs.nodejitsu.com/articles/getting-started/what-is-require)), it s...

3 Sep at 04:26

Get current folder path

I want to create a program that converts files. I would like the user to be able to place the executable file in any directory, and when executing that program (double-clicking on the .exe) I want the...

17 Jan at 10:11

How to post JSON to a server using C#?

Here's the code I'm using: ``` // create a request HttpWebRequest request = (HttpWebRequest) WebRequest.Create(url); request.KeepAlive = false; request.ProtocolVersion = HttpVersion.Version10; reques...

9 Sep at 05:21

Format a datetime into a string with milliseconds

How can I format a [datetime](https://docs.python.org/3/library/datetime.html#datetime-objects) object as a string with milliseconds?