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What's the state of the art in email validation for Rails?
... answered Aug 24 '10 at 9:56
HallelujahHallelujah
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Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures? [closed]
...ity operations (CRUD) you will find just about equivalent performance with all three technologies. You do have to know how EF and Linq to SQL work in order to use them to their fullest. For high-volume operations like polling queries, you may want to have EF/L2S "compile" your entity query such th...
How to add 'ON DELETE CASCADE' in ALTER TABLE statement
...age and navigate to the table that has the foreign key you want to update, all you have to do is click the Relational view located in the Structure tab and change the On delete select menu option to Cascade.
Image shown below:
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Android EditText delete(backspace) key event
... common mistake we are checking KeyEvent.KEYCODE_BACK for backspace, but really it is KeyEvent.KEYCODE_DEL (Really that name is very confusing! )
editText.setOnKeyListener(new OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
//...
What is the use of making constructor private in a class?
...ared public, others private. For reducing code size, public constructors 'call' private constructors which in turn do all the work. Your public constructors are thus called delegating constructors:
class MyClass
{
public:
MyClass() : MyClass(2010, 1, 1) { }
private:
MyClass(int theYear, int th...
Supabase 拓展：App 接入 Supabase 后端服务（Auth + PostgreSQL + Storage...
...eight: 24px; margin-bottom: 4px; background: url(/static/images/feedback.svg) 50% / 100% auto no-repeat; } 文档反馈 切换 目录 在线 客服 扫码添加客服咨询 我要 分享 ...
How to work around the lack of transactions in MongoDB?
...iewpoint (I have only worked with SQL databases so far), or whether it actually can't be done.
10 Answers
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Most efficient T-SQL way to pad a varchar on the left to a certain length?
...ecause you are dealing with a fixed length).
But as I said you should really avoid doing this in your database.
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Why should I declare a virtual destructor for an abstract class in C++?
...structor when deleting a pointer to a base class.
– j_random_hacker
Feb 10 '09 at 10:10
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How to load an ImageView by URL in Android? [closed]
... This is awesome. And should be much higher on the list. The asynctask allows this to load without freezing up the UI!
– Kyle Clegg
Jun 3 '12 at 5:26
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