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Ternary operator is twice as slow as an if-else block?
...nothing to 'fix' about the ternary operator. it's usage in this case just happens to cause a different register allocation. In a different case, it might be faster than if/else, as I tried to explain in my answer.
– Eren Ersönmez
Jun 27 '13 at 12:41
...
Why should I use a pointer rather than the object itself?
...inters?
The important take-home message is that you should always use the appropriate tool for the job. In almost all situations, there is something more appropriate and safer than performing manual dynamic allocation and/or using raw pointers.
Dynamic allocation
In your question, you've demonstr...
Best way to load module/class from lib folder in Rails 3?
...
As of Rails 2.3.9, there is a setting in config/application.rb in which you can specify directories that contain files you want autoloaded.
From application.rb:
# Custom directories with classes and modules you want to be autoloadable.
# config.autoload_paths += %W(#{con...
What is the difference between Xamarin.Form's LayoutOptions, especially Fill and Expand?
...owing example to see the difference between all eight layout options.
The app contains a dark gray StackLayout with eight nested white buttons, each of which is labeled with its vertical layout option. When clicking on one of the buttons, it assignes its vertical layout option to the stack layout. ...
Using HTML5/Canvas/JavaScript to take in-browser screenshots
...
Your web app can now take a 'native' screenshot of the client's entire desktop using getUserMedia():
Have a look at this example:
https://www.webrtc-experiment.com/Pluginfree-Screen-Sharing/
The client will have to be using chrome...
What is the best scripting language to embed in a C# desktop application? [closed]
We are writing a complex rich desktop application and need to offer flexibility in reporting formats so we thought we would just expose our object model to a scripting langauge. Time was when that meant VBA (which is still an option), but the managed code derivative VSTA (I think) seems to have with...
Prevent errors from breaking / crashing gulp watch
...ch task to stop.
Examples :
gulp.task('all', function () {
gulp.src('./app/script/*.coffee')
.pipe(coffee({ bare: true }))
.on('error', swallowError)
.pipe(gulp.dest('./public/js'))
gulp.src('css/*.scss')
.pipe(sass({ compass: true }))
.on('error', swallowError)
.pipe(...
What are the various “Build action” settings in Visual Studio project properties and what do they do
...to retrieve a file (in the same directory as the assembly) as a stream via Application.GetContentStream(URI). For this method to work, it needs a AssemblyAssociatedContentFile custom attribute which Visual Studio graciously adds when you mark a file as "Content"
Embedded resource: Embeds the file in...
How to design a database for User Defined Fields?
...
referential
integrity is rarely out-performed by
trigger-based or application level
constraint enforcement.
Cons:
This could create a lot of tables.
Enforcing schema separation and/or a
naming convention would alleviate
this.
There is more application code
needed to operate the UDF ...
What's the difference between django OneToOneField and ForeignKey?
...shell execute the following:
OneToOneField Example
>>> from testapp.models import Car, Engine
>>> c = Car.objects.get(name='Audi')
>>> e = Engine.objects.get(name='Diesel')
>>> e.car
<Car: Audi>
ForeignKey with unique=True Example
>>> from test...