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Repeat Character N Times
...s out that according to this jsperf, it appears that it's faster in Safari and Chrome (but not Firefox) to repeat a character multiple times by simply appending using a for loop (although a bit less concise).
share
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Reshaping data.frame from wide to long format
...alues (as a result of the , in the numbers). You can repair that with gsub and as.numeric:
long$value <- as.numeric(gsub(",", "", long$value))
Or directly with data.table or dplyr:
# data.table
long <- melt(setDT(wide),
id.vars = c("Code","Country"),
variable.name...
Ignore Xcode warnings when using Cocoapods
...? Currently I use s.dependency 'Facebook-iOS-SDK' s.inhibit_all_warnings! and I get the following error: undefined method `inhibit_all_warnings!' for #<Pod::Specification for MyApp(1.0)>
– KrauseFx
Nov 3 '12 at 21:27
...
User Authentication in ASP.NET Web API
... return View();
}
The above rule will allow only users in the Admin and Super User roles to access the method
These rules can also be set in the web.config file, using the location element. Example:
<location path="Home/AdministratorsOnly">
<system.web>
<authoriza...
Split string in Lua?
...imple split of a string, but there doesn't seem to be a function for this, and the manual way I tested didn't seem to work. How would I do it?
...
Making a WinForms TextBox behave like your browser's address bar
... I've found a way to make it work. This solution is pretty straightforward and seems to work in all the scenarios (mousing down, selecting text, tabbing focus, etc.)
bool alreadyFocused;
...
textBox1.GotFocus += textBox1_GotFocus;
textBox1.MouseUp += textBox1_MouseUp;
textBox1.Leave += textBox1_L...
Twitter bootstrap modal-backdrop doesn't disappear
...to find a reference to it when you try to close it. In your Ajax complete handler remove the modal and then replace the data.
If that doesn't work you can always force it to go away by doing the following:
$('#your-modal-id').modal('hide');
$('body').removeClass('modal-open');
$('.modal-backdrop')...
Efficient evaluation of a function at every cell of a NumPy array
...
You could just vectorize the function and then apply it directly to a Numpy array each time you need it:
import numpy as np
def f(x):
return x * x + 3 * x - 2 if x > 0 else x * 5 + 8
f = np.vectorize(f) # or use a different name if you want to keep the...
Centering the pagination in bootstrap
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For both Bootstrap 3.0 and 2.3.2, to center pagination, the .text-center class can be applied to the containing div.
Note: Where to apply the .pagination class in the markup has changed between Bootstrap 2.3.2 and 3.0. See below, or read the Boots...
Guaranteed lifetime of temporary in C++?
...t of any other expression. That is in your case after the function returns and the value is evaluated. So, it will work all nice.
It's in fact what makes expression templates work: They can keep hold references to that sort of temporaries in an expression like
e = a + b * c / d
Because every te...