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How to get a group of toggle buttons to act like radio buttons in WPF?
... but also as radio buttons where only one button can be selected / pressed down at a current time. It also need to have a state where none of the buttons are selected / pressed down.
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Why use static_cast(x) instead of (int)x?
...or that makes it possible. The only time it's a bit risky is when you cast down to an inherited class; you must make sure that the object is actually the descendant that you claim it is, by means external to the language (like a flag in the object). A dynamic_cast<>() is safe as long as the re...
How do you kill all current connections to a SQL Server 2005 database?
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Using SQL Management Studio Express:
In the Object Explorer tree drill down under Management to "Activity Monitor" (if you cannot find it there then right click on the database server and select "Activity Monitor"). Opening the Activity Monitor, you can view all process info. You should be able ...
Submitting a form by pressing enter without a submit button
... when CSS is disabled.
Update - Workaround for IE7
As suggested by Bryan Downing + with tabindex to prevent tab reach this button (by Ates Goral):
<input type="submit"
style="position: absolute; left: -9999px; width: 1px; height: 1px;"
tabindex="-1" />
...
How to [recursively] Zip a directory in PHP?
... 'mainfolder/folder5/otherfile.php'
);
//***************built from https://gist.github.com/ninadsp/6098467 ******
class ModifiedFlxZipArchive extends ZipArchive {
public function addDirDoo($location, $name , $prohib_filenames=false) {
if (!file_exists($location)) { die("maybe fi...
How do you know what to test when writing unit tests? [closed]
...he simple payment.
Both tests should pass of course.
Then I worked my way down to the more complex scenarios.
1) Think of a new scenario
2) Write a test for that scenario
3) Run that single test to see if it would pass
4) If it didn't I'd debug and modify the code until it would pass.
5) W...
DbEntityValidationException - How can I easily tell what caused the error?
...idationException)ex).EntityValidationErrors
This will allow you to drill down into the ValidationErrors tree. It's the easiest way I've found to get instant insight into these errors.
For Visual 2012+ users who care only about the first error and might not have a catch block, you can even do:
((...
Converting int to bytes in Python 3
...you can do
>>> (1024).to_bytes(2, byteorder='big')
b'\x04\x00'
https://docs.python.org/3/library/stdtypes.html#int.to_bytes
def int_to_bytes(x: int) -> bytes:
return x.to_bytes((x.bit_length() + 7) // 8, 'big')
def int_from_bytes(xbytes: bytes) -> int:
return int.from_byt...
Finding ALL duplicate rows, including “elements with smaller subscripts”
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Agree. Might even slow down processing but unlikely to slow it down very much.
– IRTFM
Jun 21 '18 at 14:42
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Simple Pivot Table to Count Unique Values
...rmula
=IF(SUMPRODUCT(($A$2:$A2=A2)*($B$2:$B2=B2))>1,0,1)
and copy it down. Now create your pivot based on 1st and 3rd column. See snapshot
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