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What does it mean when an HTTP request returns status code 0?
...requests using jQuery
var xhr = $.ajax({
type: "POST",
url: "some.php",
data: "name=John&location=Boston",
success: function(msg){
alert( "Data Saved: " + msg );
}
});
//kill the request
xhr.abort()
It's worth noting that running the .abort() method on an XHR objec...
Implement paging (skip / take) functionality with this query
... 2012 it is very very easy
SELECT col1, col2, ...
FROM ...
WHERE ...
ORDER BY -- this is a MUST there must be ORDER BY statement
-- the paging comes here
OFFSET 10 ROWS -- skip 10 rows
FETCH NEXT 10 ROWS ONLY; -- take 10 rows
If we want to skip ORDER BY we can use
SELECT col1, col...
What is the purpose of Rank2Types?
...o a value right away; first you need to apply the Λ-function to a type in order to get a λ-function that you apply to a value. So for example:
(Λt.λx:t.x) Int 5 = (λx:Int.x) 5
= 5
Standard Haskell (i.e., Haskell 98 and 2010) simplifies this for you by not having any of the...
How to get next/previous record in MySQL?
...o cemkalyoncu's solution:
next record:
SELECT * FROM foo WHERE id > 4 ORDER BY id LIMIT 1;
previous record:
SELECT * FROM foo WHERE id < 4 ORDER BY id DESC LIMIT 1;
edit: Since this answer has been getting a few upvotes lately, I really want to stress the comment I made earlier about un...
Drop all the tables, stored procedures, triggers, constraints and all the dependencies in one sql st
...= (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'P' AND category = 0 ORDER BY [name])
WHILE @name is not null
BEGIN
SELECT @SQL = 'DROP PROCEDURE [dbo].[' + RTRIM(@name) +']'
EXEC (@SQL)
PRINT 'Dropped Procedure: ' + @name
SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WH...
How to define servlet filter order of execution using annotations in WAR
...we define webapp specific servlet filters in WAR's own web.xml , then the order of execution of the filters will be the same as the order in which they are defined in the web.xml .
...
What do “branch”, “tag” and “trunk” mean in Subversion repositories?
...ject2.3_Merge' or 'myProject6..2_Patch1'...
Tag is a snapshot of files in order to easily get back to that state.
The problem is that tag and branch is the same in Subversion. And I would definitely recommend the paranoid approach:
you can use one of the access control scripts provided with Sub...
Unable to understand useCapture parameter in addEventListener
...g ("capture"), and at the end ("bubble").
Events are executed in the order of how they're defined. Say, you define 4 event listeners:
window.addEventListener("click", function(){console.log(1)}, false);
window.addEventListener("click", function(){console.log(2)}, true);
window.addEventL...
Running a cron job at 2:30 AM everyday
...running you can check Debugging crontab or Why is crontab not executing my PHP script?.
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How long do browsers cache HTTP 301s?
...
I confirm that redirecting back (with a PHP redirection in my case) works perfectly on Google Chrome as long as (obviously) you removed the initial 301 redirect.
– Vincent Poirier
Mar 14 '17 at 14:00
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