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Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
...
The default 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 updateProductUs...
Getting “A potentially dangerous Request.Path value was detected from the client (&)”
...ault", // Route name
"{controller}/{action}/{id}", // URL with parameters
new { controller = "Home", action = "Index", id = UrlParameter.Optional }, new string[] { "RPMS.Controllers" } // Parameter defaults
);
...
How to add hyperlink in JLabel?
...htmlIfy(String s) {
return HTML.concat(s).concat(HTML_END);
}
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
new JLabelLink().setVisible(true);
...
Do we still need end slashes in HTML5?
... area, base, br, col, command, embed, hr, img, input, keygen, link, meta, param, source, track, wbr
...
Void elements only have a start tag; end tags must not be specified for void elements.
W3C | WHATWG
That being said it's not strict parsing in HTML5 so it won't do any major harm.
...
How can I do something like a FlowLayout in Android?
... measureChild(child, widthMeasureSpec, heightMeasureSpec);
LayoutParams lp = (LayoutParams) child.getLayoutParams();
spacing = mHorizontalSpacing;
if (lp.horizontalSpacing >= 0)
{
spacing = lp.horizontalSpacing;
}
if (growHeight &...
What does the “@” symbol do in Powershell?
...s also the Splat operator.
PS> # First use it to create a hashtable of parameters:
PS> $params = @{path = "c:\temp"; Recurse= $true}
PS> # Then use it to SPLAT the parameters - which is to say to expand a hash table
PS> # into a set of command line parameters.
PS> dir @params
PS>...
Android image caching
...eWidth;
}
@Override
protected Bitmap doInBackground(String... params)
{
imageUrl = params[0];
return getImage(imageUrl);
}
@Override
protected void onPostExecute(Bitmap result)
{
super.onPostExecute(result);
if(result != null)
...
How do I get a TextBox to only accept numeric input in WPF?
...expression and text length conditions
/// </summary>
/// <param name="text"> Text for validation </param>
/// <returns> True - valid, False - invalid </returns>
private bool ValidateText(string text)
{
return (new Regex(this.RegularExpression...
Is String.Format as efficient as StringBuilder
...lly:
public static string Format(IFormatProvider provider, string format, params object[] args)
{
if ((format == null) || (args == null))
{
throw new ArgumentNullException((format == null) ? "format" : "args");
}
StringBuilder builder = new StringBuilder(format.Length + (ar...
How to send an email from JavaScript
...ail client:
window.open('mailto:test@example.com');
There are also some parameters to pre-fill the subject and the body:
window.open('mailto:test@example.com?subject=subject&body=body');
Another solution would be to do an ajax call to your server, so that the server sends the email. Be c...