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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 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.
...
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 kill all current connections to a SQL Server 2005 database?
...
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" />
...
Specifying Style and Weight for Google Fonts
..., and is because if you dont assing the weight on the link css google wont download the proper "bold" format to achieve this you have to declare the "link href" as follow: <link href='fonts.googleapis.com/css?family=Comfortaa:400,700' rel='stylesheet' type='text/css'>
– ...
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...
undefined method `source_index' for Gem:Module (NoMethodError)
... 1.8.7 to 1.9.3-p385. Oddly, Ruby 1.9.3-p327 works just fine. What it came down to was ruby-1.9.3-p385 had installed RubyGems version 2.0.2 for me, and 1.9.3-p327 has RubyGems v1.8.23 installed.
Gem.source_index has been deprecated for a while, but since Rails 2.3 is not getting any updates except ...
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:
((...
How to call a method defined in an AngularJS directive?
...rnalControl.takenTablets += 1;
}
}
};
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="directiveControlDemo">
<div ng-controller="MainCtrl">
<button ng-click="focusinControl.takeTablet(...