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How do I make the method return type generic?
...his is really just an updated version of casting from the pre-generic days and doesn't add any additional safety.
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Check if a method exists
...d instead of others (deprecated ones), since self has not been created yet and respondsToSelector will always return NO.
– LightMan
Sep 6 '13 at 18:34
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How can I get the list of files in a directory using C or C++?
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In small and simple tasks I do not use boost, I use dirent.h which is also available for windows:
DIR *dir;
struct dirent *ent;
if ((dir = opendir ("c:\\src\\")) != NULL) {
/* print all the files and directories within directory */...
How to prevent a scrollview from scrolling to a webview after data is loaded?
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You can simply add this to your LinearLayout: android:focusableInTouchMode="true". It works for me.
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:focusableInTouchMode="true"
android:orientation="vertic...
Add padding on view programmatically
I am deveoping Android v2.2 app.
10 Answers
10
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Convert a negative number to a positive one in JavaScript
... I disagree @myusuf. Any number that is x will be flipped. If x = 23 and is shoved into that equation, x will then equal -23. In the words of Mr. Escalante, "A positive times a negative equals a negative. A negative times a negative equals a positive." ... "How do I reach these kiiiiiiids?!"
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Where do I mark a lambda expression async?
...lambda async, simply prepend async before its argument list:
// Add a command to delete the current Group
contextMenu.Commands.Add(new UICommand("Delete this Group", async (contextMenuCmd) =>
{
SQLiteUtils slu = new SQLiteUtils();
await slu.DeleteGroupAsync(groupName);
}));
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DISABLE the Horizontal Scroll [closed]
Ok for some reason my webpage scrolls from left to right and shows a lot of ugly space.
12 Answers
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How to sort a list of strings numerically?
... This works if the list element is stored as "integer", how shall be handled in case of float values? Eg., list1 = [1, 1.10, 1.11, 1.1, 1.2]
– sathish
May 19 '16 at 9:01
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How to set UICollectionViewDelegateFlowLayout?
...from UICollectionViewDelegate.
I admit it caught me off guard at first.
Oh and this will only work if self.collectionView.collectionViewLayout is actually set to your flow layout. (or set with initWithFrame:collectionViewLayout:)
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