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How to make a valid Windows filename from an arbitrary string?
...thing like this:
string fileName = "something";
foreach (char c in System.IO.Path.GetInvalidFileNameChars())
{
fileName = fileName.Replace(c, '_');
}
Edit:
Since GetInvalidFileNameChars() will return 10 or 15 chars, it's better to use a StringBuilder instead of a simple string; the original v...
What is the difference between “text” and new String(“text”)?
...is constructor is unnecessary since strings are immutable.
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Examine the following snippet:
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Having a UITextField in a UITableViewCell
... code for a login screen once. I configured the table view to have two sections. You can of course get rid of the section conditionals.
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
UITableViewCell *cell = [self.tableView dequeueReusableCe...
Can you attach a UIGestureRecognizer to multiple views?
...r once, I'm not sure if this is a bug or it just needs some more documentation.
12 Answers
...
Application Loader stuck at “Authenticating with the iTunes store” when uploading an iOS app
We have been trying to submit an app to the iTunes store using Application Loader for three days and keep getting stuck at the "Authenticating with the iTunes store" step.
We have read many forums (including stackoverflow) and tried what was suggested:
...
dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib
...
For me none of the previous solutions worked. We discovered that there is an flag ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES (in earlier versions: "Embedded Content Contains Swift Code") in the Build Settings that needs to be set to YES. It was NO by de...
Find a Git branch containing changes to a given file
I have 57 local branches. I know I made a change to a certain file in one of them, but I'm not sure which one. Is there some kind of command I can run to find which branches contain changes to a certain file?
...
UIImagePickerController breaks status bar appearance
... to NO . But after UIImagePickerController , my app behaves as if the option is set to YES .
25 Answers
...
Adding iOS UITableView HeaderView (not section header)
I want to add a table header (not section headers) like in the contacts app for example:
5 Answers
...
What is the Swift equivalent of respondsToSelector?
...
As mentioned, in Swift most of the time you can achieve what you need with the ? optional unwrapper operator. This allows you to call a method on an object if and only if the object exists (not nil) and the method is implemented.
I...