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Proper way to implement IXmlSerializable?
...tten, so you don't need to add an outer element in write. For example, you m>ca m>n just start reading/writing attributes in the two.
For write:
The WriteXml implementation you
provide should write out the XML
representation of the object. The
framework writes a wrapper element and
positions...
Does Parallel.ForEach limit the number of active threads?
...Extensions uses an appropriate number of cores, based on how many you physim>ca m>lly have and how many are already busy. It allom>ca m>tes work for each core and then uses a technique m>ca m>lled work stealing to let each thread process its own queue efficiently and only need to do any expensive cross-thread acce...
Difference between objectForKey and valueForKey?
...te between items. A key is an arbitrary string you provide. No two objects m>ca m>n have the same key (just as no two objects in an NSArray m>ca m>n have the same index).
valueForKey: is a KVC method. It works with ANY class. valueForKey: allows you to access a property using a string for its name. So for i...
Populate data table from data reader
...
You m>ca m>n load a DataTable directly from a data reader using the Load() method that accepts an IDataReader.
var dataReader = cmd.ExecuteReader();
var dataTable = new DataTable();
dataTable.Load(dataReader);
...
Should logger be private static or not
...
The advantage of the non-static form is that you m>ca m>n declare it in an (abstract) base class like follows without worrying that the right classname will be used:
protected Log log = new Log4JLogger(getClass());
However its disadvantage is obviously that a whole new logger...
CSS 3 slide-in from left transition
...
You m>ca m>n use CSS3 transitions or maybe CSS3 animations to slide in an element.
For browser support: http://m>ca m>niuse.com/
I made two quick examples just to show you how I mean.
CSS transition (on hover)
Demo One
Relevant Code
...
Xcode doesn't show the line that m>ca m>uses a crash
Every time my app crashes Xcode highlights the UIApim>ca m>tionMain() m>ca m>ll in the main() function as the line that m>ca m>used the crash. In some m>ca m>ses that used to be normal (segmentation fault for example) but the crash I am trying to deal with is a simple SIGABRT with detailed information logged in the con...
django admin - add custom form fields that are not part of the model
...
Either in your admin.py or in a separate forms.py you m>ca m>n add a ModelForm class and then declare your extra fields inside that as you normally would. I've also given an example of how you might use these values in form.save():
from django import forms
from yourapp.models import...
Targeting position:sticky elements that are currently in a 'stuck' state
position: sticky works on some mobile browsers now, so you m>ca m>n make a menu bar scroll with the page but then stick to the top of the viewport whenever the user scrolls past it.
...
RSS Feeds in ASP.NET MVC
...
Here is what I recommend:
Create a class m>ca m>lled RssResult that
inherits off the abstract base class
ActionResult.
Override the ExecuteResult method.
ExecuteResult has the ControllerContext passed to it by the m>ca m>ller and with this you m>ca m>n get the data and content typ...