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How to delete large data of table in SQL without log?
...ance.com/2013/03/io-subsystem/chunk-deletes as reference, with performance tests and graphs:
DECLARE @Deleted_Rows INT;
SET @Deleted_Rows = 1;
WHILE (@Deleted_Rows > 0)
BEGIN
BEGIN TRANSACTION
-- Delete some small number of rows at a time
DELETE TOP (10000) LargeTable
WHE...
Xcode debugging - displaying images
... itself can't do it. I don't know about external tools.
What i'm doing to test images while debugging is to convert that raw data into an image-file format, like .png, and then saving it somewhere, and then i'm opening the image with any image viewing tool.
I have a piece of code for that purpose,...
How to select rows with no matching entry in another table?
...d table. Its efficiency is probably same as in case of LEFT JOIN with null test.
SELECT t1.ID
FROM Table1 t1
WHERE NOT EXISTS (SELECT t2.ID FROM Table2 t2 WHERE t1.ID = t2.ID)
share
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improve this...
Count number of records returned by group by
...
This works in Oracle at least - I don't currently have other databases to test it out on, and I'm not so familiar with T-Sql and MySQL syntax.
Also, I'm not entirely sure whether it's more efficient in the parser to do it this way, or whether everyone else's solution of nesting the select statemen...
What are 'closures' in .NET?
...sions.
Here's an example using an anonymous method:
using System;
class Test
{
static void Main()
{
Action action = CreateAction();
action();
action();
}
static Action CreateAction()
{
int counter = 0;
return delegate
{
...
HTTP could not register URL http://+:8000/HelloWCF/. Your process does not have access rights to thi
...hod is also useful for setting up the required permissions on an automated testing server.
– Technobabble
Jul 30 '13 at 21:26
8
...
How can I put strings in an array, split by new line?
...\n" ending. And it's important that the two-character Windows separator is tested first.
– AndresRohrAtlasInformatik
Feb 14 at 10:56
...
PostgreSQL array_agg order
...ally work, however. For example:
SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
So in your case you would write:
SELECT
array_to_string(array_agg(animal_name),';') animal_names,
array_to_string(array_agg(animal_type),';') animal_types
FROM (SELECT animal_name, animal_type...
How to hide soft keyboard on android after clicking outside EditText?
...
I haven't tested myself but looks like it would work and as it has high reviews I'll change the accepted answer to this.
– htafoya
Mar 20 '13 at 22:43
...
How to split a string in Java
...tring[] parts = string.split(Pattern.quote(".")); // Split on period.
To test beforehand if the string contains certain character(s), just use String#contains().
if (string.contains("-")) {
// Split it.
} else {
throw new IllegalArgumentException("String " + string + " does not contain -"...