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Safe (bounds-checked) array lookup in Swift, through optional bindings?
...stract?
- It adopts protocol Indexable as well...
• Yup, sounds like the best we can do. Can we then extend it to have this feature we want?
- But we have very limited types (no Int) and properties (no count) to work with now!
• It will be enough. Swift's stdlib is done pretty well ;)
extension...
PHP - add item to beginning of associative array [duplicate]
How can I add an item to the beginning of an associative array? For example, say I have an array like this:
5 Answers
...
Remove a HTML tag but keep the innerHtml
...SelectorAll(selector);
Array.prototype.forEach.call(nodelist, function(item,i){
item.outerHTML = item.innerHTML; // or item.innerText if you want to remove all inner html tags
})
}
unwrap('b')
This should work in all major browser including old IE. in recent browser, we can even ...
Can Json.NET serialize / deserialize to / from a stream?
... < 25; i++) {
ser.Serialize(writer, new DataItem { Item = i });
writer.Flush();
Thread.Sleep(500);
}
writer.WriteEnd();
writer.Flush();
...
Best Practice for Exception Handling in a Windows Forms Application?
I'm currently in the process of writing my first Windows Forms application. I've read a few C# books now so I've got a relatively good understanding of what language features C# has to deal with exceptions. They're all quite theoretical however so what I haven't got yet is a feel for how to translat...
Why does python use 'else' after for and while loops?
...ers. When used in conjunction with for-loops it basically means "find some item in the iterable, else if none was found do ...". As in:
found_obj = None
for obj in objects:
if obj.key == search_key:
found_obj = obj
break
else:
print('No object found.')
But anytime you see ...
Avoiding SQL injection without parameters
... incorrect. As secure as your own approach may look (and it looks shaky at best), there's a risk you're overlooking something and do you really want to take that chance when it comes to security?
Use parameters.
share
...
Problem with converting int to string in Linq to entities
... cast to a double or a decimal. Your code ends up looking like this:
var items = from c in contacts
select new ListItem
{
Value = SqlFunctions.StringConvert((double)c.ContactId).Trim(),
Text = c.Name
};
...
How to style the UL list to a single line
...y:flex;
list-style:none;
}
<ul>
<li><a href="">Item1</a></li>
<li><a href="">Item2</a></li>
<li><a href="">Item3</a></li>
</ul>
...
AddRange to a Collection
...> . There's a get-only property of that type that already contains some items. He wants to add the items in another collection to the property collection. How can he do so in a C#3-friendly fashion? (Note the constraint about the get-only property, which prevents solutions like doing Union and r...
