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Finding # occurrences of a character in a string in Ruby
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3 Answers
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Active
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How can I create a two dimensional array in JavaScript?
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var items = [
[1, 2],
[3, 4],
[5, 6]
];
console.log(items[0][0]); // 1
console.log(items[0][1]); // 2
console.log(items[1][0]); // 3
console.log(items[1][1]); // 4
console.log(items);
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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 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 ...
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...
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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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 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 ...
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...
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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