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What is the maximum length of data I can put in a BLOB column in MySQL?
...t be accurate, but according to this site: http://www.htmlite.com/mysql003.php.
BLOB A string with a maximum length of 65535 characters.
The MySQL manual says:
The maximum size of a BLOB or TEXT
object is determined by its type, but
the largest value you actually can
transmit betwe...
Detecting iOS / Android Operating system
...
You can also Achieve this with user agent on php:
$userAgent = strtolower($_SERVER['HTTP_USER_AGENT']);
if(stripos($userAgent,'android') !== false) { // && stripos($userAgent,'mobile') !== false) {
header('Location: http://oursite.com/download/yourApp.apk');...
How do I print the type of a variable in Rust?
...and format of the string are not specified, other than being a best-effort description of the type.
If you want your type representation to stay the same between compiler versions, you should use a trait, like in the phicr's answer.
...
What do the different readystates in XMLHttpRequest mean, and how can I use them?
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The full list of readyState values is:
State Description
0 The request is not initialized
1 The request has been set up
2 The request has been sent
3 The request is in process
4 The request is complete
(from https://www.w3schools.com/js/js_aja...
Simple way to transpose columns and rows in SQL?
...================
-- Author: Paco Zarate
-- Create date: 2015-11-10
-- Description: SQLTranspose dynamically changes a table to show rows as headers. It needs that all the values are numeric except for the field using for transposing.
-- Parameters: @TableName - Table to transpose
-- ...
Efficient evaluation of a function at every cell of a NumPy array
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Notice the warning given in the vectorize function description: The vectorize function is provided primarily for convenience, not for performance. The implementation is essentially a for loop. So this will very likely not speed up the process at all.
– G...
node.js database [closed]
... think going with a newer stack like node.js (vs traditional frameworks in php/java) is adding enough "new" complexity that one shouldn't add extra layers all at once. This is a good article that discusses that:
http://nodeguide.com/convincing_the_boss.html
...
What's the difference between a Future and a Promise?
...nd does not wait for all promises to be fulfilled. I have not found a good description of this fact...
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Proper REST response for empty table?
...ave a redirection.
Why not 204 (No Content) ?
Here's an excerpt from the description of the 204 status code by w3c
The server has fulfilled the request but does not need to return an entity-body, and might want to return updated metainformation.
While this may seem reasonable in this case, I...
How do I make an html link look like a button?
... This was dropped from the CSS3 spec. htmlvalidator.com/help.php?m=1&h=appearance
– user1431356
May 8 '18 at 23:37
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