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Which is the preferred way to concatenate a string in Python?
...e is the most common. Here are timings with the timeit module:
a = a + b:
0.11338996887207031
a += b:
0.11040496826171875
However, those who recommend having lists and appending to them and then joining those lists, do so because appending a string to a list is presumably very fast compared to ex...
What is a lambda expression in C++11?
... be writing a whole class just to do something trivial and one off.
In C++03 you might be tempted to write something like the following, to keep the functor local:
void func2(std::vector<int>& v) {
struct {
void operator()(int) {
// do something
}
} f;
std::for_each(...
Parallel.ForEach vs Task.Run and Task.WhenAll
...
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edited Sep 30 '13 at 20:33
answered Sep 30 '13 at 20:17
...
When to create a new app (with startapp) in Django?
... |
edited Jan 4 '16 at 20:34
kellyfj
4,72677 gold badges3737 silver badges6262 bronze badges
answered ...
How do I use CMake?
...io?
– lital maatuk
Oct 22 '11 at 13:00
3
After you run cmake (or CMakeSetup and hit generate), yo...
What does addChildViewController actually do?
...
I was wondering about this question too. I watched Session 102 of the WWDC 2011 videos and Mr. View Controller, Bruce D. Nilo, said this:
viewWillAppear:, viewDidAppear:, etc have nothing to do with addChildViewController:. All that addChildViewController: does is to say "This vie...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
... |
edited Nov 17 '16 at 7:01
ndnenkov
32.2k99 gold badges6060 silver badges9090 bronze badges
answered J...
How can I create a UILabel with strikethrough text?
...te(NSAttributedString.Key.strikethroughStyle, value: 2, range: NSMakeRange(0, attributeString.length))
then:
yourLabel.attributedText = attributeString
To make some part of string to strike then provide range
let somePartStringRange = (yourStringHere as NSString).range(of: "Text")
attributeStr...
How to get Visual Studio to open Resolve Conflicts window after a TFS Get
... |
edited Jun 22 '14 at 9:00
answered Jun 22 '14 at 8:54
Da...
Virtualizing an ItemsControl?
... the following:
<ItemsControl ItemsSource="{Binding AccountViews.Tables[0]}">
<ItemsControl.ItemTemplate>
<DataTemplate>
<TextBlock Initialized="TextBlock_Initialized"
Text="{Binding Name}" />
</DataTemplate>
</ItemsControl.ItemTemp...