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SQL how to increase or decrease one for a int column in one command
I have an Orders table which has a Quantity column. During check in or check out, we need to update that Quantity column by one. Is there a way to do this in one action or we have to get the existing value and then add or minus one on top of it?
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Detect if called through require or directly by command line
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edited Feb 19 '19 at 15:50
Christopher McCormack
7344 bronze badges
answered Jun...
Approximate cost to access various caches and main memory?
...for example, check page 22 for some timings & cycles for example).
Additionally, this page has some details on clock cycles etc. The second link served the following numbers:
Core i7 Xeon 5500 Series Data Source Latency (approximate) [Pg. 22]
local L1 CACHE hit, ...
Git - Difference Between 'assume-unchanged' and 'skip-worktree'
I have local changes to a file that I don't want to commit to my repository. It is a configuration file for building the application on a server, but I want to build locally with different settings. Naturally, the file always shows up when i do 'git status' as something to be staged. I would like to...
An efficient way to transpose a file in Bash
...file >/dev/null
real 0m0.390s
user 0m0.370s
sys 0m0.010s
EDIT by Ed Morton (@ghostdog74 feel free to delete if you disapprove).
Maybe this version with some more explicit variable names will help answer some of the questions below and generally clarify what the script is doing. It a...
Can I get CONST's defined on a PHP class?
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edited Apr 7 '19 at 9:34
datashaman
4,47322 gold badges1919 silver badges2626 bronze badges
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Unexpected Caching of AJAX results in IE8
I'm having a serious issue with Internet Explorer caching results from a JQuery Ajax request.
10 Answers
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Where can I find the “clamp” function in .NET?
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You could write an extension method:
public static T Clamp<T>(this T val, T min, T max) where T : IComparable<T>
{
if (val.CompareTo(min) < 0) return min;
else if(val.CompareTo(max) > 0) return max;
else ret...
SQL-Server: Error - Exclusive access could not be obtained because the database is in use
...LTER DATABASE AdventureWorksDW
SET SINGLE_USER
--This rolls back all uncommitted transactions in the db.
WITH ROLLBACK IMMEDIATE
GO
RESTORE DATABASE AdventureWorksDW
FROM ...
...
GO
Now, one additional item to be aware. After you set the db into single user mode, someone else may attempt to conn...
How do I show multiple recaptchas on a single page?
...out doing this on an ASP page (link) and the consensus over there was that it was not possible to do with recaptcha. It seems that multiple forms on a single page must share the captcha, unless you're willing to use a different captcha. If you are not locked into recaptcha a good library to take a l...