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document.getElementById vs jQuery $()
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No.
Calling document.getElementById('id') will return a raw DOM object.
Calling $('#id') will return a jQuery object that wraps the DOM object and provides jQuery methods.
Thus, you can only call jQuery methods like css() or animate() on the $() call.
You can also write $(docum...
Receive JSON POST with PHP
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Use $HTTP_RAW_POST_DATA instead of $_POST.
It will give you POST data as is.
You will be able to decode it using json_decode() later.
share
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std::string to char*
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The answer is bulky, inelegant, non-local, uses raw arrays, and requires attention to exception safety. vector was invented precisely as a wrapper for dynamic arrays, so not using it seems like a missed opportunity at best, and in violation of the spirit of C++ at worst.
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How to find all the tables in MySQL with specific column names in them?
... all tables with columns columnA or ColumnB in the database YourDatabase:
SELECT DISTINCT TABLE_NAME
FROM INFORMATION_SCHEMA.COLUMNS
WHERE COLUMN_NAME IN ('columnA','ColumnB')
AND TABLE_SCHEMA='YourDatabase';
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How to step back in Eclipse debugger?
..."Using Standard Create Process Launcher" and there will be a hyperlink to "Select other...". Click this and make sure "Use configuration specific settings" is checked then select "GDB (GSF) Create Process Launcher" and click okay. "Using GDB (GSF) Create Process Launcher" will now be displayed at th...
Is there a way for multiple processes to share a listening socket?
...nt
polling mechanisms:
aio/devpoll/epoll/eventpoll/kqueue/poll/rtsig/select
When a connection arrives on any of the listening sockets
(POP3/IMAP/SMTP), each worker process emerges from its event poll,
since each NGINX worker process inherits the listening socket. Then,
each NGIN...
Peak signal detection in realtime timeseries data
...lter(i) to std(filteredY(i-lag),...,filteredY(i));
end
Rules of thumb for selecting good parameters for your data can be found below.
Demo
The Matlab code for this demo can be found here. To use the demo, simply run it and create a time series yourself by clicking on the upper chart. The algorith...
How to sparsely checkout only one single file from a git repository?
...th placeholders for user, project, branch, filename.
GitHub
wget https://raw.githubusercontent.com/user/project/branch/filename
GitLab
wget https://gitlab.com/user/project/raw/branch/filename
GitWeb
If you're using Git on the Server - GitWeb, then you may try in example (change it into the r...
jQuery find events handlers registered with an object
...lem, "events" );
elem should be an HTML Element, not a jQuery object, or selector.
Please note, that this is an internal, 'private' structure, and shouldn't be modified. Use this for debugging purposes only.
In older versions of jQuery, you might have to use the old method which is:
jQuery( el...