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Get underlying NSData from UIImage
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answered Jan 7 '11 at 9:13
CarolineCaroline
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Value of type 'T' cannot be converted to
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293
Even though it's inside of an if block, the compiler doesn't know that T is string.
Therefore, i...
List of special characters for SQL LIKE clause
...ons => [0-9] Instead you need to specify each character like this : [0123456789]
– Çağdaş Tekin
Apr 3 '09 at 5:13
3
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Reflection generic get field value
...et")) && (method.getName().length() == (field.getName().length() + 3)))
{
if (method.getName().toLowerCase().endsWith(field.getName().toLowerCase()))
{
// MZ: Method found, run it
try
{
return...
Unnamed/anonymous namespaces vs. static functions
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339
The C++ Standard reads in section 7.3.1.1 Unnamed namespaces, paragraph 2:
The use of the...
Call by name vs call by value in Scala, clarification needed
...5
frhack
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answered Nov 12 '12 at 1:40
dhgdhg
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Joining two lists together
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Sipo
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answered Oct 6 '09 at 21:24
ChrisF♦ChrisF
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Create a submodule repository from a folder and keep its git commit history
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3 Answers
3
Active
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How to succinctly write a formula with many variables from a data frame?
... the . identifier.
y <- c(1,4,6)
d <- data.frame(y = y, x1 = c(4,-1,3), x2 = c(3,9,8), x3 = c(4,-4,-2))
mod <- lm(y ~ ., data = d)
You can also do things like this, to use all variables but one (in this case x3 is excluded):
mod <- lm(y ~ . - x3, data = d)
Technically, . means all ...
python: how to identify if a variable is an array or a scalar
...o make a call to this function with a scalar 50 or an array [0, 10, 20, 30] . How can I identify within the function, what the length of NBins is? or said differently, if it is a scalar or a vector?
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