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Passing two command parameters using a WPF binding
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Firstly, if you're doing MVVM you would typically have this information available to your VM via separate properties bound from the view. That saves you having to pass any parameters at all to your commands.
However, you could also m...
Joining two lists together
If I have two lists of type string (or any other type), what is a quick way of joining the two lists?
15 Answers
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Node.js/Express.js App Only Works on Port 3000
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The following works if you have something like this in your app.js:
http.createServer(app).listen(app.get('port'),
function(){
console.log("Express server listening on port " + app.get('port'));
});
Either explicitly hardcode your code ...
How to use gradle zip in local system without downloading when using gradle-wrapper
...m gradle-wrapper documentation, I found in section 61.1. Configuration
If you don't want any download to happen when your project is build
via gradlew, simply add the Gradle distribution zip to your version
control at the location specified by your wrapper configuration. A
relative URL is ...
Type List vs type ArrayList in Java [duplicate]
... translated into a LinkedList without affecting the rest of the codebase.
If one used ArrayList instead of List, it's hard to change the ArrayList implementation into a LinkedList one because ArrayList specific methods have been used in the codebase that would also require restructuring.
You can r...
printf() formatting for hex
...ur "8" characters listed in the 08 part. You need to ask for 10 characters if you want it to be the same.
int i = 7;
printf("%#010x\n", i); // gives 0x00000007
printf("0x%08x\n", i); // gives 0x00000007
printf("%#08x\n", i); // gives 0x000007
Also changing the case of x, affects the casing o...
How to define @Value as optional
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What is the correct way to specify that @Value is not required?
Working on the assumption that by 'not required' you mean null then...
You have correctly noted that you can supply a default value to the right of a : character. Your example was @Value("$...
@RequestParam vs @PathVariable
What is the difference between @RequestParam and @PathVariable while handling special characters?
7 Answers
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Search an Oracle database for tables with specific column names?
...e database with many tables. Is there a way I can query or search to find if there are any tables with certain column names?
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Why does this iterative list-growing code give IndexError: list assignment index out of range?
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for l in i:
j.append(l)
Of course, you'd never do this in practice if all you wanted to do was to copy an existing list. You'd just do:
j = list(i)
Alternatively, if you wanted to use the Python list like an array in other languages, then you could pre-create a list with its elements set ...