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Call by name vs call by value in Scala, clarification needed
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frhack
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answered Nov 12 '12 at 1:40
dhgdhg
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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...
How to change maven logging level to display only warning and errors?
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-X for debug
-q for only error
Maven logging config file
Currently maven 3.1.x uses SLF4J to log to the System.out .
You can modify the logging settings at the file:
${MAVEN_HOME}/conf/logging/simplelogger.properties
According to the page : http://maven.apache.org/maven-logging.html
Command line ...
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 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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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...
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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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 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...
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...