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Best way to detect when a user leaves a web page?
... answered Sep 29 '08 at 7:02
Andreas PeterssonAndreas Petersson
15.3k1111 gold badges5656 silver badges9090 bronze badges
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What's the key difference between HTML 4 and HTML 5?
What are the key differences between HTML4 and HTML5 draft ?
8 Answers
8
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Unique Constraint in Entity Framework Code First
...h unique constraints... you may want to create indexes, check constraints, and possibly triggers and other constructs too. Here's a simple pattern you can use with your code-first setup, though admittedly it's not database agnostic:
public class MyRepository : DbContext {
public DbSet<Whate...
How to break out of nested loops?
If I use a break statement, it will only break inner loop and I need to use some flag to break the outer loop. But if there are many nested loops, the code will not look good.
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How to check internet access on Android? InetAddress never times out
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- can't run on the UI thread
This works very reliably, on every device, and is very fast. It needs to run in a separate task though (e.g. ScheduledExecutorService or AsyncTask).
Possible Questions
Is it really fast enough?
Yes, very fast ;-)
Is there no reliable way to check internet, other t...
A Space between Inline-Block List Items [duplicate]
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I have seen this and answered on it before:
After further research I have
discovered that inline-block is a
whitespace dependent method and
is dependent on the font setting. In this case 4px is rendered.
To avoid this you could run all ...
How do I search an SQL Server database for a string?
...abase that you want to search in.
The Ten Most Asked SQL Server Questions And Their Answers:
CREATE PROCEDURE FindMyData_String
@DataToFind NVARCHAR(4000),
@ExactMatch BIT = 0
AS
SET NOCOUNT ON
DECLARE @Temp TABLE(RowId INT IDENTITY(1,1), SchemaName sysname, TableName sysname, ColumnName ...
'AND' vs '&&' as operator
I have a codebase where developers decided to use AND and OR instead of && and || .
10 Answers
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Putting uncommitted changes at Master to a new branch by Git
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You can just checkout to the test branch and then commit. You don't lose your uncommited changes when moving to another branch.
Supposing you are at the master branch:
git checkout test
git add .
git add deletedFile1
git add deletedFile2
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git commit -m "My Cust...
Get the key corresponding to the minimum value within a dictionary
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what if two different keys have the same value? and they happen to both be the smallest value? how can you make it return both?
– user3226932
Dec 18 '16 at 4:29
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