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Check for installed packages before running install.packages() [duplicate]
... computers. One of its lines contains the install.packages("xtable") command.
16 Answers
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Are static methods inherited in Java?
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From the Sun Java Tutorials:
A subclass inherits all of the public and protected members of its parent, no matter what package the subclass is in. If the subclass is in the same package as its parent, it also inherits the package-private members of the parent. You can use the inherited membe...
What is the difference between char s[] and char *s?
...o world";
will place "Hello world" in the read-only parts of the memory, and making s a pointer to that makes any writing operation on this memory illegal.
While doing:
char s[] = "Hello world";
puts the literal string in read-only memory and copies the string to newly allocated memory on the...
Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...someone explain why the result I want, "hi", is preceded with a letter 'b' and followed with a newline?
4 Answers
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NSString: isEqual vs. isEqualToString
What is the difference between isEqual: and isEqualToString: ?
5 Answers
5
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Naming cookies - best practices [closed]
...okies. I just learned this the hard way when my website picked up a cookie and got the data set by the user's add-on instead of the data set by my site.
– lala
Jul 1 '13 at 13:24
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Strange behavior for Map, parseInt [duplicate]
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parseInt receives two arguments: string and radix:
var intValue = parseInt(string[, radix]);
while map handler's second argument is index:
... callback is invoked with three arguments: the value of the element,
the index of the element, and the Array ob...
Does Git warn me if a shorthand commit ID can refer to 2 different commits?
...g tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'
I just tested this on a real Git repository, by finding commits with duplicate prefixes like this:
git rev-list master | cut -c-4 | sort | uniq -c | sort -nr | head
Thi...
ASP.NET MVC ActionLink and post method
Can anyone tell me how can I submit values to Controller using ActionLink and POST method?
I don't want to use buttons.
I guess it has something with jquery.
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jQuery templating engines [closed]
...mplate engine to use client side. I have been trying a few like jsRepeater and jQuery Templates. While they seem to work OK in FireFox they all seem to break down in IE7 when it comes down to rendering HTML tables.
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