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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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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...
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 ...
How to use Swift @autoclosure
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Warif Akhand Rishi
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answered Jun 8 '14 at 5:28
eddie_ceddie_c
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Push git commits & tags simultaneously
...eight tag, which would not be pushed, as I mentioned here)
Update April 2013
Since git 1.8.3 (April 22d, 2013), you no longer have to do 2 commands to push branches, and then to push tags:
The new "--follow-tags" option tells "git push" to push relevant annotated tags when pushing branches out.
Yo...
How to find out the number of CPUs using python
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Anthony Sottile
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answered Jun 17 '09 at 10:53
Nadia AlramliN...
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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How to detect user inactivity in Android
...vity extends Activity {
public static final long DISCONNECT_TIMEOUT = 300000; // 5 min = 5 * 60 * 1000 ms
private static Handler disconnectHandler = new Handler(new Handler.Callback() {
@Override
public boolean handleMessage(Message msg) {
// todo
r...
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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Count occurrences of a char in plain text file
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answered Oct 21 '09 at 21:37
CascabelCascabel
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