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ORA-00979 not a group by expression
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@AaronDigulla That's what MySQL does, and the world didn't end :p
– Chris Baker
Aug 27 '14 at 21:32
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Why doesn't C# support the return of references?
...t determines uses of ref-returns that clearly do not violate stack safety. What we would do is write such a detector, and if the detector could not prove stack safety, then we would not allow the usage of ref returns in that part of the program. It is not a huge amount of dev work to do so, but it i...
Hibernate: “Field 'id' doesn't have a default value”
I'm facing what I think is a simple problem with Hibernate, but can't solve it (Hibernate forums being unreachable certainly doesn't help).
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Eclipse: All my projects disappeared from Project Explorer
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Thanks, that's what I was looking for. But since I have about 200 separate project-plugins, it would be too long to do this one by one. So when selecting a root directory, choose the common folder to them all and the Import dialog will find...
jQuery Ajax error handling, show custom exception messages
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This is what I did and it works so far in a MVC 5 application.
Controller's return type is ContentResult.
public ContentResult DoSomething()
{
if(somethingIsTrue)
{
Response.StatusCode = 500 //Anything other than 2...
Convert NaN to 0 in javascript
...ver the web, so I won't go in why it works here, but if you're interested: What is the "double tilde" (~~) operator in JavaScript?
We can exploit this property of a double-tilde to convert NaN to a number, and happily that number is zero!
console.log(~~NaN); // 0
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Display lines number in Stack Trace for .NET assembly in Release mode
...mation can give away sensitive data and be an attack vector. Depending on what your app is.
– i_am_jorf
Mar 10 '09 at 2:21
6
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Why is sed not recognizing \t as a tab?
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Explanation
In bash $'string' causes "ANSI-C expansion". And that is what most of us expect when we use things like \t, \r, \n, etc. From: https://www.gnu.org/software/bash/manual/html_node/ANSI_002dC-Quoting.html#ANSI_002dC-Quoting
Words of the form $'string' are treated specially. The wo...
MVC 4 @Scripts “does not exist”
...r ~/Views/web.config namespaces, close and re-open Visual Studio. This is what I had to do to get this working.
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Deleting multiple elements from a list
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If you're deleting multiple non-adjacent items, then what you describe is the best way (and yes, be sure to start from the highest index).
If your items are adjacent, you can use the slice assignment syntax:
a[2:10] = []
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