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How are “mvn clean package” and “mvn clean install” different?
...and install?
package will compile your code and also package it. For example, if your pom says the project is a jar, it will create a jar for you when you package it and put it somewhere in the target directory (by default).
install will compile and package, but it will also put the package in ...
Why does using an Underscore character in a LIKE filter give me all the results?
...t end with 'abc'.
In your case you have searched by '%_%'. This will give all the rows with that column having one or more characters, that means any characters, as its value. This is why you are getting all the rows even though there is no _ in your column values.
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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
.....] Boolean values behave like the values 0 and 1, respectively, in almost all contexts, the exception being that when converted to a string, the strings "False" or "True" are returned, respectively.
There is also, for Python 2:
In numeric contexts (for example when used as the argument to an ...
Does using “new” on a struct allocate it on the heap or stack?
...hen you create an instance of a class with the new operator, memory gets allocated on the heap. When you create an instance of a struct with the new operator where does the memory get allocated, on the heap or on the stack ?
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Speed up the loop operation in R
... if (i > 1) {
if ((temp[i,6] == temp[i-1,6]) & (temp[i,3] == temp[i-1,3])) {
res[i] <- temp[i,9] + res[i-1]
} else {
res[i] <- temp[i,9]
}
} ...
How to insert a character in a string at a certain position?
...e. I want to display it as a String with a decimal point (.) at 2 digits from the end of int . I wanted to use a float but was suggested to use String for a better display output (instead of 1234.5 will be 1234.50 ). Therefore, I need a function that will take an int as parameter and ret...
uppercase first character in a variable with bash
...
One way with sed:
echo "$(echo "$foo" | sed 's/.*/\u&/')"
Prints:
Bar
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Is there a difference between “==” and “is”?
... a
True
In your case, the second test only works because Python caches small integer objects, which is an implementation detail. For larger integers, this does not work:
>>> 1000 is 10**3
False
>>> 1000 == 10**3
True
The same holds true for string literals:
>>> "a" i...
How to automatically remove trailing whitespace in Visual Studio 2008?
Is it possible to configure Visual Studio 2008 to automatically remove whitespace characters at the end of each line when saving a file? There doesn't seem to be a built-in option, so are there any extensions available to do this?
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Twitter Bootstrap 3 Sticky Footer
...
Referring to the official Boostrap3 sticky footer example,
there is no need to add <div id="push"></div>, and the CSS is simpler.
The CSS used in the official example is:
/* Sticky footer styles
-------------------------------------------------- */
html,
body {...