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How to present a simple alert message in java?
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@mre I guess this is either a joke or you're misunderstanding "verbosity"?
– Dónal
Feb 2 '12 at 20:34
36
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Struggling with NSNumberFormatter in Swift for currency
...dget as well as transactions. I need to allow the user to enter both pence and pounds from separate text fields and they need to be formatted together with currency symbols. I have this working fine at the moment but would like to make it localised as currently it only works with GBP. I have been st...
How can I check a C# variable is an empty string “” or null? [duplicate]
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Very simple and useful. I wish PHP could have something like this
– Andrew Liu
Dec 17 '15 at 5:23
6
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Omit rows containing specific column of NA
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You could use the complete.cases function and put it into a function thusly:
DF <- data.frame(x = c(1, 2, 3), y = c(0, 10, NA), z=c(NA, 33, 22))
completeFun <- function(data, desiredCols) {
completeVec <- complete.cases(data[, desiredCols])
return(data...
Create an empty data.frame
...hout any rows. Basically, I want to specify the data types for each column and name them, but not have any rows created as a result.
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Python function as a function argument?
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Here's another way using *args (and also optionally), **kwargs:
def a(x, y):
print x, y
def b(other, function, *args, **kwargs):
function(*args, **kwargs)
print other
b('world', a, 'hello', 'dude')
Output
hello dude
world
Note that function, *...
Quick way to create a list of values in C#?
...r" };
This uses two features of C# 3.0: type inference (the var keyword) and the collection initializer for lists.
Alternatively, if you can make do with an array, this is even shorter (by a small amount):
var arr = new [] { "foo", "bar" };
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WPF Textblock, linebreak in Text attribute
...asterbax if the text is specified as the content between <TextBlock> and </TextBlock> then yeah, you'll need <LineBreak/>. &#10; works inside the Text attribute: <TextBlock Text="..." />
– Roman Starkov
Dec 18 '14 at 0:22
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Python pandas: fill a dataframe row by row
The simple task of adding a row to a pandas.DataFrame object seems to be hard to accomplish. There are 3 stackoverflow questions relating to this, none of which give a working answer.
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Can we define implicit conversions of enums in c#?
...es, declared names, etc, etc.
I wrote a base class (RichEnum<>) to handle most fo the grunt work, which eases the above declaration of enums down to:
public sealed class AccountStatus : RichEnum<byte, AccountStatus>
{
public static readonly AccountStatus Open = new AccountStatus(1)...