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What is the difference between a generative and a discriminative algorithm?
...d the difference between a generative and a
discriminative algorithm, keeping in mind that I am just a beginner.
13 An...
How to maximize the browser window in Selenium WebDriver (Selenium 2) using C#?
...outstanding issue to add this functionality to WebDriver, which can be tracked here: http://code.google.com/p/selenium/issues/detail?id=174
A workaround would be to use the JavascriptExector as follows:
public void resizeTest() {
driver.Navigate().GoToUrl("http://www.example.com/");
((IJavaScr...
How to print an exception in Python?
How can I print the error/exception in my except: block?
8 Answers
8
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How to add a button to UINavigationBar?
...itWithTitle:@"Title"];
item.rightBarButtonItem = rightButton;
item.hidesBackButton = YES;
[bar pushNavigationItem:item animated:NO];
But normally you would have a NavigationController, enabling you to write:
UIBarButtonItem *rightButton = [[UIBarButtonItem alloc] initWithTitle:@"Done"
style:U...
find -exec a shell function in Linux?
...
Since only the shell knows how to run shell functions, you have to run a shell to run a function. You also need to mark your function for export with export -f, otherwise the subshell won't inherit them:
export -f dosomething
find . -exec bash ...
How do I get the first element from an IEnumerable in .net?
...;
}
Joel Coehoorn mentioned .Single() in the comments; this will also work, if you are expecting your enumerable to contain exactly one element - however it will throw an exception if it is either empty or larger than one element. There is a corresponding SingleOrDefault() method that covers this ...
Android - How to get application name? (Not package name)
...uire you to name the resource explicitly or worry about exceptions with package names. It also works if you have used a string directly instead of a resource.
Just do:
public static String getApplicationName(Context context) {
ApplicationInfo applicationInfo = context.getApplicationInfo();
...
Center a column using Twitter Bootstrap 3
...pproach uses Bootstrap's own offset classes so it requires no change in markup and no extra CSS. The key is to set an offset equal to half of the remaining size of the row. So for example, a column of size 2 would be centered by adding an offset of 5, that's (12-2)/2.
In markup this would look like...
How to override to_json in Rails?
... rendering:
In ActiveSupport 2.3.3, as_json was added to address issues like the one you have encountered. The creation of the json should be separate from the rendering of the json.
Now, anytime to_json is called on an object, as_json is invoked to create the data structure, and then that hash is...
All permutations of a Windows license key
... a Windows 8 upgrade for my laptop, for which I need the Windows 7 license key on the underside of the laptop.
6 Answers
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