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Bootstrap dropdown sub m>me m>nu missing
Bootstrap 3 is still at RC, but I was just trying to implem>me m>nt it. I couldn't figure out how to put a sub m>me m>nu class. Even there is no class in css and even the new docs don't say anything about it
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Data binding to SelectedItem in a WPF Treeview
...Item", typeof(object), typeof(BindableSelectedItemBehavior), new UIPropertym>Me m>tadata(null, OnSelectedItemChanged));
private static void OnSelectedItemChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
var item = e.NewValue as TreeViewItem;
if (item != nu...
Creating .pem file for APNS?
...ficates category. You will see an expandable option called “Apple Developm>me m>nt Push Services”
Right click on “Apple Developm>me m>nt Push Services” > Export “Apple Developm>me m>nt Push Services ID123″. Save this as apns-dev-cert.p12 file som>me m>where you can access it. There is no need to enter a ...
Performance of Java matrix math libraries? [closed]
We are computing som>me m>thing whose runtim>me m> is bound by matrix operations. (Som>me m> details below if interested.) This experience prompted the following question:
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Entity Fram>me m>work: “Store update, insert, or delete statem>me m>nt affected an unexpected number of rows (
I am using Entity Fram>me m>work to populate a grid control. Som>me m>tim>me m>s when I make updates I get the following error:
45 Answers...
git pull while not in a git directory
...I have a directory, /X/Y , which is a git repository. Is it possible to som>me m>how call a command like git pull from inside /X , but targeting the /X/Y directory?
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Oracle: If Table Exists
I'm writing som>me m> migration scripts for an Oracle database, and was hoping Oracle had som>me m>thing similar to MySQL's IF EXISTS construct.
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How to programmatically take a screenshot on Android?
...o add a proper permission to save the file:
<uses-permission android:nam>me m>="android.permission.WRITE_EXTERNAL_STORAGE"/>
And this is the code (running in an Activity):
private void takeScreenshot() {
Date now = new Date();
android.text.format.DateFormat.format("yyyy-MM-dd_hh:mm:ss",...
How to retrieve an elem>me m>nt from a set without removing it?
...n't require copying the whole set:
for e in s:
break
# e is now an elem>me m>nt from s
Or...
e = next(iter(s))
But in general, sets don't support indexing or slicing.
share
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improve this answe...
map function for objects (instead of arrays)
...Object);
// { 'a': 2, 'b': 4, 'c': 6 }
Update
A lot of people are m>me m>ntioning that the previous m>me m>thods do not return a new object, but rather operate on the object itself. For that matter I wanted to add another solution that returns a new object and leaves the original object as it is:
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