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Python constructors and __init__
...t is their purpose?
The purpose of the constructor C.__new__ is to define custom behaviour during construction of a new C instance.
The purpose of the initialiser C.__init__ is to define custom initialisation of each instance of C after it is created.
For example Python allows you to do:
class T...
Link to add to Google calendar
...calendar/render?
action=TEMPLATE
&text=[event-title]
&dates=[start-custom format='Ymd\\THi00\\Z']/[end-custom format='Ymd\\THi00\\Z']
&details=[description]
&location=[location]
&trp=false
&sprop=
&sprop=name:"
target="_blank" rel="nofollow">Add to my calendar</a>...
What is the AppDelegate for and how do I know when to use it?
...pps. How do I know when I should be putting stuff in AppDelegate versus a custom class? Is there a rule or any type of analogy with another programming language like Python or PHP that uses an AppDelegate like pattern?
...
How using try catch for exception handling is best practice
...ial zero division...). In such a case, I throw a new ApplicationException("custom message", innerException) to keep track of what really happened
Additionally, I try my best to sort exceptions correctly. There are exceptions which:
need to be shown to the user immediately
require some extra proc...
Replace selector images programmatically
...u can answer. I have this selector set on the ImageView that is inside the Custom Control. Custom control also has a selector as a background. So the selector of the whole control works, while the ImageView selector does not. Is there something I am doing wrong? Is there a sequence?
...
When should I use a trailing slash in my URL?
...p?controller=dvd&action=list. One additional request - but even worse! customer/login redirects to customer/login/ which in turn redirects to the HTTPS URL of customer/login/. You end up having tons of unnecessary HTTP redirects (= additional requests) that make the user experience slower.
Most...
“npm config set registry https://registry.npmjs.org/” is not working in windows bat file
...
We can also run npm install with registry options for multiple custom registry URLs.
npm install --registry=https://registry.npmjs.org/
npm install --registry=https://custom.npm.registry.com/
share
|...
How can I escape square brackets in a LIKE clause?
...
The ESCAPE keyword is required if you want to use a custom escape character (the backslash is indeed custom).
– Ryan Kohn
Oct 30 '12 at 14:59
2
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Indentation shortcuts in Visual Studio
...hi now has a built-in code formatter (for a few versions now) that you can customize to suit almost any style. There have been free, open source IDE add-ins for years that also can be customized to work with almost any formatting you want. The "compared to Delphi" portion of your answer is therefore...
Python argparse mutual exclusive group
... was the easy part. Changing the usage formatting code required writing a custom HelpFormatter.
In argparse, action groups don't affect the parsing. They are just a help formatting tool. In the help, mutually exclusive groups only affect the usage line. When parsing, the parser uses the mutuall...