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In Objective-C why should I check if self = [super init] is not nil?
..., but this isn't INSIDE the respective class' init method. NSData inherits from NSObject. Does NSData check if [super init] returns nil? That's what I'm asking here. Sorry if I wasn't clear...
– Jasarien
Aug 17 '09 at 13:33
...
How do you create a remote Git branch?
...gt; is typically origin, the name which git gives to the remote you cloned from. Your colleagues would then just pull that branch, and it's automatically created locally.
Note however that formally, the format is:
git push <remote-name> <local-branch-name>:<remote-branch-name>
...
How to dynamically update a ListView on Android [closed]
...x above. In order to make that box do something, we need to take the input from it, and make that input filter the list. While a lot of people have tried to do this manually, most ListView Adapter classes come with a Filter object that can be used to perform the filtering automagically. We just need...
Better naming in Tuple classes than “Item1”, “Item2”
...t first, int second)>. I had to download the System.ValueTuple package from NuGet to get it to work in Visual Studio 2017.
– Matt Davis
Mar 25 '17 at 23:19
18
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Editing dictionary values in a foreach loop
I am trying to build a pie chart from a dictionary. Before I display the pie chart, I want to tidy up the data. I'm removing any pie slices that would be less than 5% of the pie and putting them in a "Other" pie slice. However I'm getting a Collection was modified; enumeration operation may not exe...
How to set a Default Route (To an Area) in MVC
...e is to first create an abstract AreaAwareViewEngine that derives directly from VirtualPathProviderViewEngine instead of WebFormViewEngine. I did this so that if you want to create Spark views instead (or whatever), you can still use this class as the base type.
The code below is pretty long-winded...
What's the magic of “-” (a dash) in command-line parameters?
...command, every time you change directory, it stores the directory you came from. If you do cd with the special - "directory name", it uses that remembered directory instead of a real one. You can easily switch between two directories quite quickly by using that.
Other commands may treat - as a diff...
Different floating point result with optimization enabled - compiler bug?
...wide. Different optimization levels affect how often floating point values from CPU get saved into memory and thus rounded from 80-bit precision to 64-bit precision.
Use the -ffloat-store gcc option to get the same floating point results with different optimization levels.
Alternatively, use the l...
How do arrays in C# partially implement IList?
...<T> - but array variance makes this trickier. Contrary to the answer from Hans, the array types (single-dimensional, zero-based anyway) do implement the generic collections directly, because the type of any specific array isn't System.Array - that's just the base type of the array. If you ask ...
How can I extend typed Arrays in Swift?
...a while trying different things the solution seems to remove the <T> from the signature like:
extension Array {
func find(fn: (T) -> Bool) -> [T] {
var to = [T]()
for x in self {
let t = x as T;
if fn(t) {
to += t
}...