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Best way to reverse a string
I've just had to write a string reverse function in C# 2.0 (i.e. LINQ not available) and came up with this:
48 Answers
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converting a .net Func to a .net Expression
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Ooh, it's not easy at all. Func<T> represents a generic delegate and not an expression. If there's any way you could do so (due to optimizations and other things done by the compiler, some data might be thrown away, so it mi...
How to “properly” print a list?
...ylist, creating a new list of strings that is then joined into one string with str.join(). Then, the % string formatting operator substitutes the string in instead of %s in "[%s]".
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How to enable file sharing for my app?
I have an image editing app where users can apply effects to photos. How could I enable it so that users can see my app in iTunes in the File Sharing tab and then just drag+drop photos to the app?
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Difference between method and function in Scala
....3.1). Chapter 4 (basic declarations) speaks of Value Declaration and Definitions (4.1), Variable Declaration and Definitions (4.2) and Functions Declarations and Definitions (4.6). Chapter 6 (expressions) speaks of Anonymous Functions (6.23) and Method Values (6.7). Curiously, function values is sp...
How to determine if object is in array [duplicate]
...bject(car4, carBrands) is true. Remove the carBrands.push(car4); call and it will return false instead. If you later expand to using objects to store these other car objects instead of using arrays, you could use something like this instead:
function containsObject(obj, list) {
var x;
for...
How to map and remove nil values in Ruby
I have a map which either changes a value or sets it to nil. I then want to remove the nil entries from the list. The list doesn't need to be kept.
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A potentially dangerous Request.Form value was detected from the client
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I think you are attacking it from the wrong angle by trying to encode all posted data.
Note that a "<" could also come from other outside sources, like a database field, a configuration, a file, a feed and so on.
Furthermore, "<" is not inherent...
What is the difference between “screen” and “only screen” in media queries?
...s one by one.
@media (max-width:632px)
This one is saying for a window with a max-width of 632px that you want to apply these styles. At that size you would be talking about anything smaller than a desktop screen in most cases.
@media screen and (max-width:632px)
This one is saying for a devi...
Tree view of a directory/folder in Windows? [closed]
In Linux/KDE, I can see a directory as a tree. How can I do it in Windows 7?
6 Answers
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