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Python argparse: default value or specified value
...rentiation of "" (empty string as default) and "" (empty string as entered by user). In the code for now I'm using the default and since I need to do some ops, I have something like this self.foo = (args.bar or some_else_source).upper(). It will break on None object AFAIUC.
– 0...
Disable assertions in Python
...ile "<string>", line 1, in <module>
AssertionError
Note that by disable I mean it also does not execute the expression that follows it:
$ python -Oc "assert 1/0"
$ python -c "assert 1/0"
Traceback (most recent call last):
File "<string>", line 1, in <module>
ZeroDivisio...
Using .otf fonts on web browsers
...commend you to switch to WOFF and TTF font types. WOFF type is implemented by every major desktop browser, while the TTF type is a fallback for older Safari, Android and iOS browsers. If your font is a free font, you could convert your font using for example a onlinefontconverter.
@font-face {
f...
Naming convention for unique constraint
...QC (if clustered).
You could use a unique index instead and go for "IXU". By the logic employed, an index is also a key but only when unique. Otherwise it's an index. So then we'd start with IK_columnname for unique indexes and IX_columnname for non-unique indexes. Marvellous.
And the only differe...
LESS CSS nesting classes
...u can already compile your existing styles and start re-writing them piece by piece.
– topless
May 8 '13 at 12:34
1
...
JavaScript: client-side vs. server-side validation
...error message, and try to hunt down the problem.
(This pain can be eased by having the server re-render the form with the user's original input filled in, but client-side validation is still faster.)
Server Side
You want to validate on the server side because you can protect against the maliciou...
Show control hierarchy in the WinForms designer
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
matplotlib Legend Markers Only Once
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Turn on IncludeExceptionDetailInFaults (either from ServiceBehaviorAttribute or from the
...
If you want to do this by code, you can add the behavior like this:
serviceHost.Description.Behaviors.Remove(
typeof(ServiceDebugBehavior));
serviceHost.Description.Behaviors.Add(
new ServiceDebugBehavior { IncludeExceptionDetailInFaults =...
How to import and use different packages of the same name in Go language?
...
Answer by Mostafa is correct, however it demands some explanation. Let me try to answer it.
Your example code doesn't work because you're trying to import two packages with the same name, which is: " template ".
import "html/templ...