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How can I view the source code for a function?
...a.frame"
x="Raster", y="Extent"
x="Raster", y="matrix"
x="Raster", y="SpatialLines"
x="Raster", y="SpatialPoints"
x="Raster", y="SpatialPolygons"
x="Raster", y="vector"
To see the source code for one of these methods the entire signature must be supplied, e.g.
getMethod("extract" , signature = c(...
Write a function that returns the longest palindrome in a given string
... When someone goes on Stack Overflow, the question "answer" should actually contain an answer. Not just a bunch of directions towards the answer..
– Erik Philips
Oct 22 '18 at 17:16
...
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
I have installed Oracle 11g Express Edition Release 2 in my windows 7 64 bit OS and tried to execute JDBC program, then I got the following error:
...
Issue with adding common code as git submodule: “already exists in the index”
...itory into place. If that's the case, you can do the following to unstage all of those files:
git rm -r --cached projectfolder
... and then add the submodule with:
git submodule add url_to_repo projectfolder
share
...
Insert code into the page context using a content script
...example one and two. If you don't have to use chrome.* APIs, simply inject all of your JS code in the page by adding a <script> tag as shown below.
Safety warning:
A page may redefine or augment/hook a built-in prototype so your exposed code may fail if the page did it in an incompatible fashi...
Reading output of a command into an array in Bash
...tput of a command in an array, with one line per element, there are essentially 3 ways:
With Bash≥4 use mapfile—it's the most efficient:
mapfile -t my_array < <( my_command )
Otherwise, a loop reading the output (slower, but safe):
my_array=()
while IFS= read -r line; do
my_array+...
What is stack unwinding?
...
Stack unwinding is usually talked about in connection with exception handling. Here's an example:
void func( int x )
{
char* pleak = new char[1024]; // might be lost => memory leak
std::string s( "hello world" ); // will be properly de...
Fastest Way of Inserting in Entity Framework
...avingChanges (for each
record)..."
That's the worst thing you can do! Calling SaveChanges() for each record slows bulk inserts extremely down. I would do a few simple tests which will very likely improve the performance:
Call SaveChanges() once after ALL records.
Call SaveChanges() after for e...
nodeJs callbacks simple example
can any one give me a a simple example of nodeJs callbacks, I have already searched for the same on many websites but not able to understand it properly, Please give me a simple example.
...
How to properly ignore exceptions
...is is true, but if you're not careful, you can run into subtle bugs (especially if you're doing something other than passing on StopIteration).
– Jason Baker
Apr 8 '09 at 17:46
17
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