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Difference between IsNullOrEmpty and IsNullOrWhiteSpace in C# [duplicate]
... the
following code, except that it offers superior performance:
return String.IsNullOrEmpty(value) || value.Trim().Length == 0;
White-space characters are defined by the Unicode standard. The
IsNullOrWhiteSpace method interprets any character that returns a
value of true when it is pas...
The 3 different equals
...ot of same data type';
}
// here $a is of type int whereas $b is of type string. So here the output
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Could not find stored procedure 'dbo.aspnet_CheckSchemaVersion'
...
I have the same problem- i copy/paste connectionString from SQL Object manager in Visual Studio and forget to type Initial Catalog=YourDatabaseName.
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Split List into Sublists with LINQ
...n Enumerable.Range(1, int.MaxValue)
.Select(x => x + new string('x', 100000))
.Clump(10000).Skip(100).First())
{
Console.Write('.');
}
// OutOfMemoryException
Finally, any implementation should be able to handle out of order iteration of chunks, for example:
En...
invalid_grant trying to get oAuth token from google
...untered the same problem. For me, I fixed this by using Email Address (the string that ends with ...@developer.gserviceaccount.com) instead of Client ID for client_id parameter value. The naming set by Google is confusing here.
...
LINQ with groupby and count
...ready have a list/array of some class that looks like
class UserInfo {
string name;
int metric;
..etc..
}
...
List<UserInfo> data = ..... ;
When you do data.GroupBy(x => x.metric), it means "for each element x in the IEnumerable defined by data, calculate it's .metric, then gr...
getResourceAsStream returns null
...sStream("MyTest.txt");
byte [] b = new byte[256];
int val = 0;
String txt = null;
do {
try {
val = result.read(b);
if (val > 0) {
txt += new String(b, 0, val);
}
} catch (IOException e) {
e.printStackT...
Convert a JSON String to a HashMap
I'm using Java, and I have a String which is JSON:
18 Answers
18
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django 1.5 - How to use variables inside static tag
...
You should be able to concatenate strings with the add template filter:
{% with 'assets/flags/'|add:request.LANGUAGE_CODE|add:'.gif' as image_static %}
{% static image_static %}
{% endwith %}
What you are trying to do doesn't work with the static templat...
How can I save an image to the camera roll?
...ss the photo library:
<key>NSCameraUsageDescription</key>
<string>Enable camera access to take photos.</string>
<key>NSPhotoLibraryUsageDescription</key>
<string>Enable photo library access to select a photo from your library.</string>
<key>NSPh...