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Focusable EditText inside ListView
...ublic void onNothingSelected(AdapterView<?> listView)
{
// This happens when you start scrolling, so we need to prevent it from staying
// in the afterDescendants mode if the EditText was focused
listView.setDescendantFocusability(ViewGroup.FOCUS_BEFORE_DESCENDANTS);
}
Note the ...
How to make a website secured with https
I have to build a small webapp for a company to maintain their business data... Only those within the company will be using it, but we are planning to host it in public domain, so that the employees can connect to app from various locations. (Till now I have built web apps that are hosted internall...
How to list the files inside a JAR file?
...files inside this subdirectory? Or I need to unzip this jar file? I highly appreciate your help !
– Ensom Hodder
Aug 11 '12 at 22:39
...
Plain Old CLR Object vs Data Transfer Object
...mple of the use of this pattern.
Here's the difference: POCO describes an approach to programming (good old fashioned object oriented programming), where DTO is a pattern that is used to "transfer data" using objects.
While you can treat POCOs like DTOs, you run the risk of creating an anemic doma...
Difference between require, include, require_once and include_once?
...
Use
require
when the file is required by your application, e.g. an important message template or a file containing configuration variables without which the app would break.
require_once
when the file contains content that would produce an error on subsequent inclusion, ...
Advantages of Antlr (versus say, lex/yacc/bison) [closed]
...ojects, usually translators (such as a subset of EDIF streamed into an EDA app). Additionally, I've had to support code based on lex/yacc grammars dating back decades. So I know my way around the tools, though I'm no expert.
...
Why does writeObject throw java.io.NotSerializableException and how do I fix it?
...of the TransformGroup, and there are not any variables that store them. My app is a 3d molecule builder, and all my atoms and bounds are just added to the TransformGroup as instances- e.g (new Atom()). The problem is not only that I need them written to a file, but that the user may want to remove o...
Using git, how do I ignore a file in one branch but have it committed in another branch?
...
This solution appears to work only for certain, patched versions of git. See a new answer pointing to workarounds and another answer and subsequent comments for a hint which versions may work.
I wrote a blog post on how to effectively us...
Is storing a delimited list in a database column really that bad?
... list in sorted order.
To solve these problems, you have to write tons of application code, reinventing functionality that the RDBMS already provides much more efficiently.
Comma-separated lists are wrong enough that I made this the first chapter in my book: SQL Antipatterns: Avoiding the Pitfalls ...
Rails: How can I set default values in ActiveRecord?
...please use Base.after_initialize :method instead. (called from /Users/me/myapp/app/models/my_model:15)
Therefore I'd say write an after_initialize callback, which lets you default attributes in addition to letting you set defaults on associations like so:
class Person < ActiveRecord::Base
...