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What are commit-ish and tree-ish in Git?
...| 15. <rev>:<path> | HEAD:README.txt, master:sub-directory/
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| Tree-ish? | Examples
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| 16. :<n>:<pa...
How to create a MySQL hierarchical recursive query
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select * from cte;
The value specified in parent_id = 19 should be set to the id of the parent you want to select all the descendants of.
MySQL 5.x
For MySQL versions that do not support Common Table Expressions (up to version 5.7), you would achieve this with the following query:
select id,...
What's causing my java.net.SocketException: Connection reset? [duplicate]
...et.SocketException: Connection reset errors in our logs. We are unsure as to where the Connection reset error is actually coming from, and how to go about debugging.
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What is the purpose of flush() in Java streams?
...method:
Flushes the output stream and forces any buffered output bytes to be written out. The general contract of flush is that calling it is an indication that, if any bytes previously written have been buffered by the implementation of the output stream, such bytes should immediately be writte...
socket.error: [Errno 48] Address already in use
I'm trying to set up a server with python from mac terminal.
10 Answers
10
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Add table row in jQuery
What is the best method in jQuery to add an additional row to a table as the last row?
39 Answers
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How to use WPF Background Worker
In my application I need to perform a series of initialization steps, these take 7-8 seconds to complete during which my UI becomes unresponsive. To resolve this I perform the initialization in a separate thread:
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use localStorage across subdomains
I'm replacing cookies with localStorage on browsers that can support it (anyone but IE). The problem is site.com and www . site.com store their own separate localStorage objects. I believe www is considered a subdomain (a stupid decision if you ask me). If a user was originally on site.com a...
Apache redirect to another port
...n ProxyPass and ProxyPassReverse and leave it as /. Additionally, you need to leave the / at the end of example/ to where it is redirecting. Also, I had some trouble with http://example.com vs. http://www.example.com - only the www worked until I made the ServerName www.example.com, and the ServerAl...
JavaScript check if variable exists (is defined/initialized)
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You want the typeof operator. Specifically:
if (typeof variable !== 'undefined') {
// the variable is defined
}
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