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How to know user has clicked “X” or the “Close” button?
...te void Form1_FormClosing(object sender, FormClosingEventArgs e) {
if (string.Equals((sender as Button).Name, @"CloseButton"))
// Do something proper to CloseButton.
else
// Then assume that X has been clicked and act accordingly.
}
Otherwise, I have never ever needed to di...
What is the “realm” in basic authentication
...uthentication scheme and/or
authorization database. The realm value is a string, generally
assigned by the origin server, which may have additional semantics
specific to the authentication scheme.
In short, pages in the same realm should share credentials. If your credentials work for a pag...
How to create GUID / UUID?
...random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
return v.toString(16);
});
}
console.log(uuidv4());
Update, 2015-06-02: Be aware that UUID uniqueness relies heavily on the underlying random number generator (RNG). The solution above uses Math.random() for brevity, how...
What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
...
An option is store it as a string, you can then load it using TimeSpan.Parse(text). not ideal from a size perspective or SQL querys but can be parsed in TSQL if needed
– Walter Vehoeven
Aug 24 '18 at 15:08
...
How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]
...y key in the dictionary (check here for a solution for this case). Numbers/strings are safe.
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...gle command for which the manual states:
command must be either a command string that is completely parsable by the server (i.e., it contains no psql-specific features), or a single backslash command. Thus you cannot mix SQL and psql meta-commands within a -c option.
Workaround from within Postgre...
How do I execute code AFTER a form has loaded?
...tHandlerOnAWorkerThread()
{
// this code running on a worker thread...
string newText = ExpensiveMethod(); // perhaps a DB/web call
// now ask the UI thread to update itself
this.Invoke((MethodInvoker) delegate {
// this code runs on the UI thread!
this.Text = newText;
});
}
...
How do I pass parameters into a PHP script through a webpage?
...uments through HTTP (accessing the script over the web) is using the query string and access them through the $_GET superglobal:
Go to http://yourdomain.com/path/to/script.php?argument1=arg1&argument2=arg2
... and access:
<?php
$argument1 = $_GET['argument1'];
$argument2 = $_GET['argument2...
jQuery table sort
...turn $.isNumeric(valA) && $.isNumeric(valB) ? valA - valB : valA.toString().localeCompare(valB)
}
}
function getCellValue(row, index){ return $(row).children('td').eq(index).text() }
table, th, td {
border: 1px solid black;
}
th {
cursor: pointer;
}
<script src="http...
MySQL Like multiple values
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if you are passing in an unknown amount of keywords as a string (a|b|c...), the regexp is the only way to go if you want to do LIKE, is it?
– frequent
Jun 21 '12 at 12:53
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