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In Java, how do I check if a string contains a substring (ignoring case)? [duplicate]
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for some reason I'm getting false when I call "2014-03-25T17:55:00".contains("T")
– Jeremy List
Mar 25 '14 at 8:45
3
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git submodule tracking latest
...6:
submodule add: If --branch is given, record it in .gitmodules
This allows you to easily record a submodule.<name>.branch option in .gitmodules when you add a new submodule. With this patch,
$ git submodule add -b <branch> <repository> [<path>]
$ git config -f .gitm...
E11000 duplicate key error index in mongodb mongoose
... null value.
In other words, a sparse index is ok with multiple documents all having null values.
sparse indexes
From comments:
Your error says that the key is named mydb.users.$email_1 which makes me suspect that you have an index on both users.email and users.local.email (The former being old an...
How to set UICollectionViewDelegateFlowLayout?
...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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Which is faster: Stack allocation or Heap allocation
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Stack allocation is much faster since all it really does is move the stack pointer.
Using memory pools, you can get comparable performance out of heap allocation, but that comes with a slight added complexity and its own headaches...
How can I make a div stick to the top of the screen once it's been scrolled to?
... for. I'd like the element to start at 200px below the top of the page (to allow room for other content) and then once the user has scrolled down become fixed at the top.
– evanr
Aug 1 '09 at 8:10
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How to access a preexisting collection with Mongoose?
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Where in the docs can i find this information? This really helpped but there's no place explaining the plural thing.
– StudioWorks
Apr 7 '14 at 20:31
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How do I get a TextBox to only accept numeric input in WPF?
...nly want to allow numbers, dots and dashes.
private static readonly Regex _regex = new Regex("[^0-9.-]+"); //regex that matches disallowed text
private static bool IsTextAllowed(string text)
{
return !_regex.IsMatch(text);
}
If you want to prevent pasting of incorrect data hook up the DataObj...
How do I verify that an Android apk is signed with a release certificate?
...oid\sdk\build-tools\25.0.3` (and every other build tools version I had installed)
– Jon
May 15 '17 at 20:17
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How do I restore a missing IIS Express SSL Certificate?
...press, according to such articles as this and this , I am unable to actually load an IIS Express site using HTTPS. In Chrome , I am only getting:
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