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Best way to check for “empty or null value”
What is best way to check if value is null or empty string in Postgres sql statements?
10 Answers
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select and update database record with a single queryset
... an update and select statements on the same queryset rather than having to do two queries:
- one to select the object
- and one to update the object
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Test parameterization in xUnit.net similar to NUnit
Are there any means in xUnit.net framework similar to the following features of NUnit?
6 Answers
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Prevent automatic browser scroll on refresh
... great, however this also occurs on pages where there is a anchor location in the url. An example would be if you clicked on a link http://example.com/post/244#comment5 and refreshed the page after looking around you would not be at the anchor and the page jumps around. Is there any way to prevent...
How should I edit an Entity Framework connection string?
I recently had to edit my app.config file to change the connection string for an Entity Framework data model ( .edmx file). But I'd like to know: Is there a way to edit the EF connection string using the designer?
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Clean ways to write multiple 'for' loops
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The first thing is that you don't use such a data structure. If
you need a three dimensional matrix, you define one:
class Matrix3D
{
int x;
int y;
int z;
std::vector<int> myData;
public:
// ...
int& ...
$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
...missions "crap" because I used if ($_SERVER['REQUEST_METHOD'] == 'POST') instead of if ($_POST)
11 Answers
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How do I implement IEnumerable
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If you choose to use a generic collection, such as List<MyObject> instead of ArrayList, you'll find that the List<MyObject> will provide both generic and non-generic enumerators that you can use.
using System.Collections;
class MyObjects : IEnumerable<MyObject>
{
List<M...
Check whether an array is empty [duplicate]
I have the following code
12 Answers
12
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Must qualify the allocation with an enclosing instance of type GeoLocation
I am getting this error as-
6 Answers
6
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