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How do I redirect to the previous action in ASP.NET MVC?
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UrlReferrer is NULL when I was in the some page and want to get to view I know got error just by entering URL in address bar. Why when I enter URL in Address Bar it can't determine UrlReferrer?
– QMaster
Jan 7 '15 at 12:27
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How do I convert a git repository to mercurial?
... code repository. I'd like to share the project with other java developers and hg seems to be most used by them.
9 Answers...
Which is faster: multiple single INSERTs or one multiple-row INSERT?
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I know I'm answering this question almost two and a half years after it was asked, but I just wanted to provide some hard data from a project I'm working on right now that shows that indeed doing multiple VALUE blocks per insert is MUCH faster than sequential single VALU...
How to generate a random int in C?
Is there a function to generate a random int number in C? Or will I have to use a third party library?
27 Answers
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Error: “Cannot modify the return value” c#
... you set the X property on it then you're setting the property on the copy and then discarding it, leaving the original value unchanged. This probably isn't what you intended, which is why the compiler is warning you about it.
If you want to change just the X value, you need to do something like th...
Grouped LIMIT in PostgreSQL: show the first N rows for each group?
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For those who works with like millions rows and seeks for really performant way to do this - poshest's answer is the way to go. Just dont forget to spice ti up with proper indexing.
– Diligent Key Presser
Jun 20 '19 at 8:46
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ASP.NET MVC ambiguous action methods
...w using two different routes, either by an item's ID or by the item's name and its parent's (items can have the same name across different parents). A search term can be used to filter the list.
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Why do we need a pure virtual destructor in C++?
I understand the need for a virtual destructor. But why do we need a pure virtual destructor? In one of the C++ articles, the author has mentioned that we use pure virtual destructor when we want to make a class abstract.
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Calculate difference in keys contained in two Python dictionaries
Suppose I have two Python dictionaries - dictA and dictB . I need to find out if there are any keys which are present in dictB but not in dictA . What is the fastest way to go about it?
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How can I hide an HTML table row so that it takes up no space?
...et to style="display:none;" , but they still affect the size of the table and the table's border reflects the hidden rows.
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