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Insert new column into table in sqlite?
I have a table with columns name , qty , rate . Now I need to add a new column COLNew in between the name and qty columns. How do I add a new column in between two columns?
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How do I remove the old history from a git repository?
...nreachable ; Will show you the list of what will be deleted
git gc --prune=now ; Will actually delete your data
How to remove all git local tags?
Ps: Older versions of git didn't support clone/push/pull from/to shallow repos.
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jQuery 'input' event
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Do you know if jQuery makes up the missing browser support? (IE8, IE9 inconsistencies, etc)
– jcsanyi
Jun 29 '13 at 20:12
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How to check for file lock? [duplicate]
...very next second (read: short timespan).
Why specifically do you need to know if the file is locked anyway? Knowing that might give us some other way of giving you good advice.
If your code would look like this:
if not locked then
open and update file
Then between the two lines, another pro...
Include jQuery in the JavaScript Console
...xample, on a website I would like to get the number of rows in a table. I know this is really easy with jQuery.
20 Answers
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Can I safely delete contents of Xcode Derived data folder?
...oject's data individually. So I stand by my previous comment, though I've now implemented William's alias in my .bashrc.
– gone
Jun 19 '16 at 9:42
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Standardize data columns in R
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EDIT 3 (2020): Thanks to @mj_whales: the old solution is deprecated and now we need to use mutate_at.
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How do you append an int to a string in C++? [duplicate]
...d::ostringstream oss;
oss << a << b;
return oss.str();
}
Now, as long as object b has a defined stream output, you can append it to your string (or, at least, a copy thereof).
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.htaccess mod_rewrite - how to exclude directory from rewrite rule
...ectories on my server from these rules, so they can become accessible. For now all requests are sent to index.php file.
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Using querySelector with IDs that are numbers
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el.innerHTML = "After";
<div id="1">Before</div>
And now using CSS.escape:
const theId = "1";
const el = document.querySelector(`#${CSS.escape(theId)}`);
el.innerHTML = "After";
<div id="1">Before</div>
See how it correctly changes to show After, demo...