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For loop example in MySQL
...elow
CREATE TABLE `table1` (
`col1` VARCHAR(50) NULL DEFAULT NULL
)
Now if you want to insert number from 1 to 50 in that table then use following stored procedure
DELIMITER $$
CREATE PROCEDURE ABC()
BEGIN
DECLARE a INT Default 1 ;
simple_loop: LOOP
insert...
Why is debugging better in an IDE? [closed]
...run-time.
An IDE
debugger lets you see the value of
variables you didn't know you wanted
to see when execution began.
An IDE
debugger lets you see the call stack
and examine the state of the
function passed weird values.
(think this function is called from
hundreds of places, you don't know
where...
How can I change the color of my prompt in zsh (different from normal text)?
... colors used.
As macOS Catalina asks for zsh to be the default shell from now on, I think several more people may want to customize their prompt and might be coming here for an answer. So, I thought I would try to give a broader summary and touch upon other very closely-related notions that allow m...
Setting git parent pointer to a different parent
...lop it/them on a different parent (base)" command in Git.
Some things to know, however:
Since commit SHAs involve their parents, when you change the parent of a given commit, its SHA will change - as will the SHAs of all commits which come after it (more recent than it) in the line of development...
How to get the number of Characters in a String?
...o 1.3.
And with CL 108985 (May 2018, for Go 1.11), len([]rune(string)) is now optimized. (Fixes issue 24923)
The compiler detects len([]rune(string)) pattern automatically, and replaces it with for r := range s call.
Adds a new runtime function to count runes in a string.
Modifies the compiler to ...
Adding git branch on the Bash command prompt
...'
}
export PS1="\u@\h \W\[\033[32m\]\$(parse_git_branch)\[\033[00m\] $ "
Now, start the new terminal window, and try entering to any git-repo. The current branch would be shown, with the prompt.
4 More Info - MAC/Linux
sh...
What is the cleanest way to get the progress of JQuery ajax request?
... generate some data, and return it back. How can the client side possibly know what is being done in the backend and how much time it will take that it can calculate the progress?
– SexyBeast
Apr 30 '17 at 21:11
...
How to perform a mysqldump without a password prompt?
I would like to know the command to perform a mysqldump of a database without the prompt for the password.
13 Answers
...
How to speed up insertion performance in PostgreSQL
...r data.
If you're using RAID 5 or RAID 6 for direct attached storage, stop now. Back your data up, restructure your RAID array to RAID 10, and try again. RAID 5/6 are hopeless for bulk write performance - though a good RAID controller with a big cache can help.
If you have the option of using a hard...
Amazon S3 Change file download name
...quest
{
BucketName = BucketName,
Key = Key,
Expires = DateTime.Now.AddMinutes(25)
};
request.ResponseHeaderOverrides.ContentDisposition = $"attachment; filename={FileName}";
var url = s3Client.GetPreSignedURL(request);
...