... The compiler first tries to evaluate the right-hand expression: GetBoolValue() ? 10 : null The 10 is an int literal (not int?) and null is, well, null. There's no implicit conversion between those two hence the error message. If you change the right-hand expression to one o...

...is that raw_input() does not exist in Python 3.x, while input() does. Actually, the old raw_input() has been renamed to input(), and the old input() is gone, but can easily be simulated by using eval(input()). (Remember that eval() is evil. Try to use safer ways of parsing your input if possible.)...

... Additionally, you will see that float values are rounded. // e.g: given values 41.0473112,29.0077011 float(11,7) | decimal(11,7) --------------------------- 41.0473099 | 41.0473112 29.0077019 | 29.0077011 ...

... How WSGI, CGI, and the frameworks are all connected? Apache listens on port 80. It gets an HTTP request. It parses the request to find a way to respond. Apache has a LOT of choices for responding. One way to respond is to use CGI to run a script. Another w...

... get() is provided specifically for this case. Use it. Option 2 is almost precisely how the get() method is actually implemented in Django, so there should be no "performance" difference (and the fact that you're thinking about it indicates you're vio...

...your database under version control. Check the series of posts by K. Scott Allen. When it comes to version control, the database is often a second or even third-class citizen. From what I've seen, teams that would never think of writing code without version control in a million years-- and right...

...IT() (which does not carry the fragment's position, a huge fail!) or the really fast JSON-hack. For older version look for the well-known XML-hack (json and xml details here). Or look for one of the may iTVFs based on recursive CTEs. – Shnugo Nov 21 '19 at 10:3...

... problems rendering them, even if they have fonts that support them. Generally Unicode Glyphs can be searched using a site such as fileformat.info. This searches "only" in the names and properties of the Unicode glyphs, but they usually contain enough metadata to allow for good search results (for ...

...ient method, but I tend to forgo strong datatypes in SQLite since they are all essentially dumped in as strings anyway. I've written a thin C# wrapper around the SQLite library before (when using SQLite with C#, of course) to handle insertions and extractions to and from SQLite as if I were dealin...

...right>; padding-<left|right>: <width of image>px; It's usually a little easier to use a button with an img inside: <button type="submit"><img> Text</button> However the browser implementations of button for submitting are inconsistent, as well as the fact that a...