Java how to replace 2 or more spaces with single space in string and delete leading and trailing spaces
Looking for quick, simple way in Java to change this string ``` " hello there " ``` to something that looks like this ``` "hello there" ``` where I replace all those multiple spaces with ...
ORA-01843 not a valid month- Comparing Dates
I have a problem when try to select data from a table filtering by date. For example: > ``` SELECT * FROM MYTABLE WHERE MYTABLE.DATEIN = '23/04/49'; ``` The Oracle Error is: > ``` Informe de er...
How to clear input buffer in C?
I have the following program: ``` int main(int argc, char *argv[]) { char ch1, ch2; printf("Input the first character:"); // Line 1 scanf("%c", &ch1); printf("Input the second character:"); ...
How to detect idle time in JavaScript
Is it possible to detect "" time in JavaScript? My primary use case probably would be to pre-fetch or preload content. I define idle time as
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- 14 Sep at 13:47
Jquery - How to make $.post() use contentType=application/json?
I've noticed that when using $.post() in jquery that the default contentType is application/x-www-form-urlencoded - when my asp.net mvc code needs to have contentType=application/json (See this quest...
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- 17 Aug at 21:28
C# LINQ find duplicates in List
Using LINQ, from a `List<int>`, how can I retrieve a list that contains entries repeated more than once and their values?
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- 31 Aug at 11:1
Unit test naming best practices
This was discussed on SO before, at [What are some popular naming conventions for Unit Tests?](https://stackoverflow.com/questions/96297/naming-conventions-for-unit-tests) I don't know if this is a...
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- 23 May at 12:18
Tomcat: java.lang.IllegalArgumentException: Invalid character found in method name. HTTP method names must be tokens
I am getting below stack trace when I am deploying my application in a multi-server Apache Tomcat 8 environment. I am getting this error frequently, and it seems it is blocking the tomcat thread: ``` ...
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- 14 Oct at 09:11
Add / remove input field dynamically with jQuery
I would like to use jquery to build a dynamic add/ remove form. IT should look like: Name Type Required? The example input : - - What i have got is a example of add/ remove input box how can it ...
How to download a branch with git?
I have a project hosted on GitHub. I created a branch on one computer, then pushed my changes to GitHub with: ``` git push origin branch-name ``` Now I am on a different computer, and I want to do...
How to install Python package from GitHub?
I want to use a new feature of httpie. This feature is in the github repo [https://github.com/jkbr/httpie](https://github.com/jkbr/httpie) but not in the release on the python package index [https://p...
How to encode the filename parameter of Content-Disposition header in HTTP?
Web applications that want to force a resource to be rather than directly in a Web browser issue a `Content-Disposition` header in the HTTP response of the form: `Content-Disposition: attachment; fi...
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- 2 Nov at 14:20
How to get the entire document HTML as a string?
Is there a way in JS to get the entire HTML within the tags, as a string? ``` document.documentElement.?? ```
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- 16 Nov at 16:41
C# compiler error: "not all code paths return a value"
I'm trying to write code that returns whether or not a given integer is divisible evenly by 1 to 20, but I keep receiving the following error: > error CS0161: 'ProblemFive.isTwenty(int)': not all co...
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- 15 Sep at 23:41
How to delete last item in list?
I have this program that calculates the time taken to answer a specific question, and quits out of the while loop when answer is incorrect, but i want to delete the last calculation, so i can call `mi...
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- 21 Apr at 15:32
How do I skip an iteration of a `foreach` loop?
In Perl I can skip a foreach (or any loop) iteration with a `next;` command. Is there a way to skip over an iteration and jump to the next loop in C#? ``` foreach (int number in numbers) { if ...
How to build a query string for a URL in C#?
A common task when calling web resources from a code is building a query string to including all the necessary parameters. While by all means no rocket science, there are some nifty details you need t...
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- 13 Mar at 17:30
Why am I getting error CS0246: The type or namespace name could not be found?
I am using [Snarl C# API](https://github.com/TlhanGhun/Snarl-Network-Protocol-Csharp/blob/master/SnarlNetwork.cs) to send notifications to snarl. Now I have saved the content of above url in a file n...
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- 7 Aug at 21:19
Understanding Spring @Autowired usage
I am reading the spring 3.0.x reference documentation to understand Spring Autowired annotation: [3.9.2 @Autowired and @Inject](http://docs.spring.io/spring/docs/3.0.x/reference/beans.html#beans-auto...
Opposite of %in%: exclude rows with values specified in a vector
A categorical variable V1 in a data frame D1 can have values represented by the letters from A to Z. I want to create a subset D2, which excludes some values, say, B, N and T. Basically, I want a comm...
How to redirect to an external URL in Angular2?
What is the method for redirecting the user to a completely external URL in Angular 2. For example, if I need to redirect the user to an OAuth2 server in order to authenticate, how would I do that? ...
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- 13 Aug at 06:49
JavaScript get clipboard data on paste event (Cross browser)
How can a web application detect a paste event and retrieve the data to be pasted? I would like to remove HTML content before the text is pasted into a rich text editor. Cleaning the text after bein...
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- 11 Dec at 12:39
How to deal with page breaks when printing a large HTML table
I have a project which requires printing an HTML table with many rows. My problem is the way the table is printed over multiple page. It will sometimes cut a row in half, making it unreadable because...
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- 22 Jun at 19:37
index.php not loading by default
I have just installed CentOS, Apache and PHP. When I visit my site [http://example.com/myapp/](http://example.com/myapp/), it says "forbidden". By default it's not loading the index.php file. When I ...
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- 30 Sep at 09:56