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Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
...collation for stored procedure parameters is utf8_general_ci and you can't mix collations, so you have four options:
Option 1: add COLLATE to your input variable:
SET @rUsername = ‘aname’ COLLATE utf8_unicode_ci; -- COLLATE added
CALL updateProductUsers(@rUsername, @rProductID, @rPerm);
Opti...
Deep Learning（深度学习）学习笔记整理系列之（三） - 大数据 & AI - 清泛...
...私奉献的资料的。具体引用的资料请看参考文献。具体的版本声明也参考原文献。
2）本文仅供学术交流，非商用。所以每一部分具体的参考资料并没有详细对应。如果某部分不小心侵犯了大家的利益，还望海涵，并联系博主删...
Java 256-bit AES Password-Based Encryption
... *
* I left CipherInputStream in here as a test to see if I could mix it with the update() and final() methods of encrypting
* and still have a correctly decrypted file in the end. Seems to work so left it in.
*
* @param input - File object representing encrypted data on d...
TypeScript sorting an array
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Sort Mixed Array (alphabets and numbers)
function naturalCompare(a, b) {
var ax = [], bx = [];
a.replace(/(\d+)|(\D+)/g, function (_, $1, $2) { ax.push([$1 || Infinity, $2 || ""]) });
b.replace(/(\d+)|(\D+)/g, f...
UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationCont
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For Swift 4/4.1
A mix of existing answer do the job for me:
refreshControl.beginRefreshing()
tableView.setContentOffset(CGPoint(x: 0, y: tableView.contentOffset.y - (refreshControl.frame.size.height)), animated: true)
Hope this helps!
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In plain English, what does “git reset” do?
... sure you want to throw away local work before you run any reset --hard.
--mixed is the default, i.e. git reset means git reset --mixed. It resets the index, but not the work tree. This means all your files are intact, but any differences between the original commit and the one you reset to will sho...
What's the right way to pass form element state to sibling/parent elements?
...nto it, it seems as if actions are used for everything. It's like this big mix of spaghetti code and impossible to understand, total disaster. State management might be good, but possibly severely misunderstood. Is it safe to assume that flux/redux should only be used for parts of state that need to...
Set icon for Android application
...ed as 36 x 36? program will pick some pixels from 512 x 512, maybe somehow mix them and display as 36 x 36. There sure will be quantization error, e.g., en.wikipedia.org/wiki/Aliasing. So sure the 36 x 36 image will not be pixel perfect.
– Helin Wang
Jun 24 '14...
What is the difference between a deep copy and a shallow copy?
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Keep in mind there are also mixed copies (not only such as lazy copy), which duplicates just part of it (here's an instance)! ;)
– cregox
Jan 10 '15 at 3:59
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How do you use Mongoose without defining a schema?
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Actually "Mixed" (Schema.Types.Mixed) mode appears to do exactly that in Mongoose...
it accepts a schema-less, freeform JS object - so whatever you can throw at it. It seems you have to trigger saves on that object manually afterwar...