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Populate data table from data reader
...(reader) also doesn't always work-I'd get those pesky Object reference not set to an instance of an object errors, probably when I don't get any rows back. Something manual like this comes in handy. I tried it and had to get rid of those column. lines in the dtSchema foreach loop because it said it...
ViewParam vs @ManagedProperty(value = “#{param.id}”)
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<f:viewParam>:
Sets the value during update model values phase only (since it extends UIInput).
The set value is not available during @PostConstruct, so you need an additional <f:event type="preRenderView" listener="#{bean.init}" /> ...
C/C++ check if one bit is set in, i.e. int variable
... from the right end:
CHECK_BIT(temp, n - 1)
In C++, you can use std::bitset.
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How do I set up DNS for an apex domain (no www) pointing to a Heroku app?
...to not use them at all. As a fallback measure, some DNS providers offer to setup an HTTP redirect for you. In that case, set it up so that example.com is an HTTP redirect to www.example.com.
Some DNS providers have come forward with custom solutions that allow CNAME-like behavior on the zone apex. ...
Do I set properties to nil in dealloc when using ARC?
...n MRR, you should release your ivars. Nilling out properties means calling setters, which may invoke code that it shouldn't touch in dealloc (e.g. if your class, or a subclass, overrides the setter). Similarly it may trigger KVO notifications. Releasing the ivar instead avoids these undesired behavi...
How do I include related model fields using Django Rest Framework?
...elationships, nest some fields, but not others, or nest only a specific subset of fields) you can nest serializers, eg...
class TeacherSerializer(serializers.ModelSerializer):
class Meta:
model = Teacher
fields = ('id', 'name', 'tenure')
class ClassroomSerializer(serializers.Mo...
How do I specify the platform for MSBuild?
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@Julien can/should i use .targets file for setting up shared configurations?
– Jan 'splite' K.
Nov 27 '13 at 13:55
4
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Entity framework code-first null foreign key
...e your foreign key nullable:
public class User
{
public int Id { get; set; }
public int? CountryId { get; set; }
public virtual Country Country { get; set; }
}
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How are cookies passed in the HTTP protocol?
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The server sends the following in its response header to set a cookie field.
Set-Cookie:name=value
If there is a cookie set, then the browser sends the following in its request header.
Cookie:name=value
See the HTTP Cookie article at Wikipedia for more information.
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Setting a WebRequest's body data
...g = new ASCIIEncoding ();
byte[] byte1 = encoding.GetBytes (postData);
// Set the content type of the data being posted.
myHttpWebRequest.ContentType = "application/x-www-form-urlencoded";
// Set the content length of the string being posted.
myHttpWebRequest.ContentLength = byte1.Length;
Stream ...