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How can I add a table of contents to a Jupyter / JupyterLab notebook?
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There is an ipython nbextension that constructs a table of contents for a notebook. It seems to only provide navigation, not section folding.
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Difference between .on('click') vs .click()
...ference is in usage patterns.
I would prefer .on over .click because the former can use less memory and work for dynamically added elements.
Consider the following html:
<html>
<button id="add">Add new</button>
<div id="container">
<button class="alert"...
TypeScript type signatures for functions with variable argument counts
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Perfect -- for some reason I was not able to find anything about this in the language spec document, but it seems to work just fine. Thank you.
– nxn
Oct 5 '12 at 3:59
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How to delete all rows from all tables in a SQL Server database?
...e any referential integrity set.
In that case, this will work:
EXEC sp_MSForEachTable 'DISABLE TRIGGER ALL ON ?'
GO
EXEC sp_MSForEachTable 'ALTER TABLE ? NOCHECK CONSTRAINT ALL'
GO
EXEC sp_MSForEachTable 'DELETE FROM ?'
GO
EXEC sp_MSForEachTable 'ALTER TABLE ? CHECK CONSTRAINT ALL'
GO
EXEC sp_MSFo...
MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
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INSERT INTO ... ON DUPLICATE KEY UPDATE will only work for MYSQL, not for SQL Server.
for SQL server, the way to work around this is to first declare a temp table, insert value to that temp table, and then use MERGE
Like this:
declare @Source table
(
name varchar(30),
age deci...
Convert XML to JSON (and back) using Javascript
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thanks for the reply! In my case, the JSON is the canonical representation, and XML is just used for XSLT.. the use of which is not my idea! :)
– Jason Suárez
Nov 20 '09 at 23:29
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Handling specific errors in JavaScript (think exceptions)
...Ecmascript standard, not even ES6, but they also explain how to make it conform, though it's not as succint. Basically same as above, but using instanceOf. Check here
– Bart
Oct 20 '15 at 8:58
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How do I determine scrollHeight?
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Thanks! This worked for me: var height = document.getElementById("chatLog").scrollHeight - $('#chatLog').height(); $('#chatLog').scrollTop(height);
– Brian
Sep 11 '11 at 23:09
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How can I suppress column header output for a single SQL statement?
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Invoke mysql with the -N (the alias for -N is --skip-column-names) option:
mysql -N ...
use testdb;
select * from names;
+------+-------+
| 1 | pete |
| 2 | john |
| 3 | mike |
+------+-------+
3 rows in set (0.00 sec)
Credit to ErichBSchulz for...
Docker EXPOSE a port only to Host
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This solution does not appear to work for swarm mode see this github issue
– bsimpson53
May 5 '17 at 15:32
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