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Equivalent of “continue” in Ruby
...
Yes, it's called next.
for i in 0..5
if i < 2
next
end
puts "Value of local variable is #{i}"
end
This outputs the following:
Value of local variable is 2
Value of local variable is 3
Value of local variable is 4
Value of local variable is 5
=&...
How to declare and add items to an array in Python?
...
No, if you do:
array = {}
IN your example you are using array as a dictionary, not an array. If you need an array, in Python you use lists:
array = []
Then, to add items you do:
array.append('a')
...
What is the coolest thing you can do in
...I'm sure you can write a Mandelbrot set in Haskell in 15 lines but it's difficult to follow.
87 Answers
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Order Bars in ggplot2 bar graph
...t required; the extra information in an ordered factor isn't necessary and if these data are being used in any statistical model, the wrong parametrisation might result — polynomial contrasts aren't right for nominal data such as this.
## set the levels in order we want
theTable <- within(theT...
Remove characters from C# string
...str = str.Replace(c, string.Empty);
}
But I may suggest another approach if you want to remove all non letter characters
var str = "My name @is ,Wan.;'; Wan";
str = new string((from c in str
where char.IsWhiteSpace(c) || char.IsLetterOrDigit(c)
select c
...
C# - How to get Program Files (x86) on Windows 64 bit
...gram running on 64 bit windows
static string ProgramFilesx86()
{
if( 8 == IntPtr.Size
|| (!String.IsNullOrEmpty(Environment.GetEnvironmentVariable("PROCESSOR_ARCHITEW6432"))))
{
return Environment.GetEnvironmentVariable("ProgramFiles(x86)");
}
return Environme...
Presenting a UIAlertController properly on an iPad using iOS 8
...ewController:alertController animated:YES completion:nil];
Editing for Swift 4.2, though there are many blogs available for the same but it may save your time to go and search for them.
if let popoverController = yourAlert.popoverPresentationController {
popoverController.sourceV...
What's your most controversial programming opinion?
...oid it becoming argumentative. I think it could be an interesting question if people treat it appropriately.
407 Answers
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Can existing virtualenv be upgraded gracefully?
....5 unless I absolutely needed to do 2.6. That need arose, so I was curious if you could upgrade an isolated environment to see the effects on your code, without having to rebuild and copy/paste directories to the new env.
– Matt Norris
Feb 2 '10 at 1:16
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Generics in C#, using type of a variable as parameter [duplicate]
...you have to use reflection:
// For non-public methods, you'll need to specify binding flags too
MethodInfo method = GetType().GetMethod("DoesEntityExist")
.MakeGenericMethod(new Type[] { t });
method.Invoke(this, new object[] { entityGuid, transaction });
Ick.
Can yo...
