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Window vs Page vs UserControl for WPF navigation?
...x/2006/xaml"
xmlns:local="clr-namespace:SimpleMVVMExample"
Title="Simple MVVM Example" Height="350" Width="525">
<Window.Resources>
<DataTemplate DataType="{x:Type local:HomeViewModel}">
<local:HomeView /> <!-- This is a UserControl -->
...
Why would iterating over a List be faster than indexing through it?
...ow compared to that for the LinkedList implementation.
A related question titled "Big-O Summary for Java Collections Framework" has an answer pointing to this resource, "Java Collections JDK6" which you might find helpful.
...
What's the difference between => , ()=>, and Unit=>
...and I realize that the answer I selected only answered the question in the title, not the one I actually had (which this one does answer).
– Malvolio
Apr 11 '15 at 7:14
add a ...
back button callback in navigationController in iOS
...ent handler
UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@”back”
style:UIBarButtonItemStyleBordered
target:self
action:@selector(handleBack:)];
self.navigationItem.leftBarButtonItem = backButton;
[backButton release];
}
- (void) handleBack:(id)sender
{
// pop to root vi...
How to query as GROUP BY in django?
...ass BookQuerySet(QuerySet, GroupByMixin):
pass
class Book(Model):
title = TextField(...)
author = ForeignKey(User, ...)
shop = ForeignKey(Shop, ...)
price = DecimalField(...)
class GroupedBookListView(PaginationMixin, ListView):
template_name = 'book/books.html'
model ...
Npm install failed with “cannot run in wd”
...the user config, which defaults to nobody. Set the unsafe-perm flag to run scripts with root privileges.
Your options are:
Run npm install with the --unsafe-perm flag:
[sudo] npm install --unsafe-perm
Add the unsafe-perm flag to your package.json:
"config": {
"unsafe-perm":true
}
Don't u...
How to add Options Menu to Fragment in Android
...droid.com/apk/res/android">
<item android:id="@+id/exit" android:title="Exit" android:icon="@drawable/ic_action_cancel" />
<item android:id="@+id/refresh" android:title="Refresh" android:icon="@drawable/ic_action_refresh" />
</menu>
...
What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
...when someone queries objc literal, which happens at the present (thanks to title and tags).
– Pooria Azimi
Aug 5 '12 at 2:27
4
...
How can I force WebKit to redraw/repaint to propagate style changes?
I have some trivial JavaScript to effect a style change:
27 Answers
27
...
if, elif, else statement issues in Bash
...
You have some syntax issues with your script. Here is a fixed version:
#!/bin/bash
if [ "$seconds" -eq 0 ]; then
timezone_string="Z"
elif [ "$seconds" -gt 0 ]; then
timezone_string=$(printf "%02d:%02d" $((seconds/3600)) $(((seconds / 60) % 60)))
else
e...