Questions

Which version of PostgreSQL am I running?

I'm in a corporate environment (running Debian Linux) and didn't install it myself. I access the databases using Navicat or phpPgAdmin (if that helps). I also don't have shell access to the server run...

29 Dec at 13:16

Shortcut to Apply a Formula to an Entire Column in Excel

If I select a cell containing a formula, I know I can drag the little box in the right-hand corner downwards to apply the formula to more cells of the column. Unfortunately, I need to do this for 300,...

14 Jun at 15:57

Reason for Column is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause

I got an error - > Column 'Employee.EmpID' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause. --- ``` select loc.LocationID, emp...

11 May at 22:29

Merge development branch with master

I have two branches namely `master` and `development` in a GitHub Repository. I am doing all my development in development branch as shown. ``` git branch development git add * git commit -m "My ini...

9 May at 09:5

How to loop through PHP object with dynamic keys

I tried to parse a JSON file using PHP. But I am stuck now. This is the content of my JSON file: ``` { "John": { "status":"Wait" }, "Jennifer": { "status":"Active" }, ...

28 Dec at 13:18

How to execute a stored procedure within C# program

I want to execute this stored procedure from a C# program. I have written the following stored procedure in a SqlServer query window and saved it as stored1: ``` use master go create procedure dbo...

25 Jul at 22:57

Print the contents of a DIV

Whats the best way to print the contents of a DIV?

19 Feb at 03:59

Can I delete a git commit but keep the changes?

In one of my development branches, I made some changes to my codebase. Before I was able to complete the features I was working on, I had to switch my current branch to master to demo some features. B...

18 Jun at 22:14

HTTP Error 503, the service is unavailable

I'm really new to setting up web servers in general. I've got IIS 8 on Windows 8, and I'm trying to set up a little site locally, while doing some development. In IIS I choose Add Site, give a name, p...

27 Nov at 21:2

How do I count the number of occurrences of a char in a String?

I have the string ``` a.b.c.d ``` I want to count the occurrences of '.' in an idiomatic way, preferably a one-liner. (Previously I had expressed this constraint as "without a loop", in case you'...

2 Sep at 17:32

How to enumerate an enum?

How can you enumerate an `enum` in C#? E.g. the following code does not compile: ``` public enum Suit { Spades, Hearts, Clubs, Diamonds } public void EnumerateAllSuitsDemoMethod() {...

24 Nov at 00:35

Word-wrap in an HTML table

I've been using `word-wrap: break-word` to wrap text in `div`s and `span`s. However, it doesn't seem to work in table cells. I have a table set to `width:100%`, with one row and two columns. Text in c...

20 Jan at 16:58

React.js inline style best practices

I'm aware that you can specify styles within React classes, like this: ``` const MyDiv = React.createClass({ render: function() { const style = { color: 'white', fontSize: 200 };...

29 Aug at 06:26

How to use glob() to find files recursively?

This is what I have: ``` glob(os.path.join('src','*.c')) ``` but I want to search the subfolders of src. Something like this would work: ``` glob(os.path.join('src','*.c')) glob(os.path.join('src'...

20 Mar at 00:35

How to close TCP and UDP ports via windows command line

Does somebody knows how to close a TCP or UDP socket for a single connection via windows command line? Googling about this, I saw some people asking the same thing. But the answers looked like a manu...

31 Jan at 13:41

How do I get the application exit code from a Windows command line?

I am running a program and want to see what its return code is (since it returns different codes based on different errors). I know in Bash I can do this by running > echo $? What do I do when usin...

How can I detect pressing Enter on the keyboard using jQuery?

I would like to detect whether the user has pressed using jQuery. How is this possible? Does it require a plugin? It looks like I need to use the [keypress()](http://docs.jquery.com/Events/keypress) ...

How do I create a message box with "Yes", "No" choices and a DialogResult?

I want to make simple Yes/No choiced MessageBox, but I think it is nonsense to design a form for that. I thought I could use MessageBox, add buttons, etc. to accomplish this. It is simple, but since t...

1 Mar at 18:29

Is there a NumPy function to return the first index of something in an array?

I know there is a method for a Python list to return the first index of something: ``` >>> xs = [1, 2, 3] >>> xs.index(2) 1 ``` Is there something like that for NumPy arrays?

6 Jun at 05:53

How to make a background 20% transparent on Android

How do I make the background of a `Textview` about 20% transparent (not fully transparent), where there is a color in the background (i.e. white)?

28 Apr at 21:11

Removing an element from an Array (Java)

Is there any fast (and nice looking) way to remove an element from an array in Java?

13 Mar at 14:34

How do I add files and folders into GitHub repos?

I created an account on GitHub and I'm facing a problem with adding files. I have added `readme.txt`. Also, I have 3 other PHP files and a folder including images. How do I add the files and folder? I...

29 Dec at 00:57

Download a file by jQuery.Ajax

I have a Struts2 action in the server side for file downloading. ``` <action name="download" class="com.xxx.DownAction"> <result name="success" type="stream"> <param name="contentType">te...

28 Dec at 13:48

PHP Pass variable to next page

It seems pretty simple but I can't find a good way to do it. Say in the first page I create a variable ``` $myVariable = "Some text"; ``` And the form's action for that page is "Page2.php". So in ...

18 Jul at 19:15

How do I reference a local image in React?

How can I load image from local directory and include it in `reactjs img src` tag? I have an image called `one.jpeg` inside the same folder as my component and I tried both `<img src="one.jpeg" />` a...

4 Jul at 15:58