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How do you rename a MongoDB database?
...base(); //Here the db **testing** is deleted successfully
Now just think what happens if you try renaming the new database name with existing database name
Example:
db.copyDatabase('testing','movies');
So in this context all the collections (tables) of testing will be copied to movies databas...
Reduce, fold or scan (Left/Right)?
...With a collection of elements abc and a binary operator add we can explore what the different fold functions do when going forwards from the LEFT element of the collection (from A to C):
val abc = List("A", "B", "C")
def add(res: String, x: String) = {
println(s"op: $res + $x = ${res + x}")
r...
Significance of -pthread flag when compiling
...ically. Run your build with g++ -v and it will dump a lot of output about what parameters the compiler front-end is actually passing to cc1plus and ld.
– Tom
Jan 24 '10 at 18:51
3...
Difference between webdriver.Dispose(), .Close() and .Quit()
What is the difference between these
10 Answers
10
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How to quickly clear a JavaScript Object?
...this loop. I've read the docs, but I'm still trying to wrap my head around what, if any, are the risks if we omit the hasOwnProperty() check?
– logidelic
Nov 23 '16 at 17:17
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Get margin of a View
...
what about ViewGroup.MarginLayoutParams lp = (ViewGroup.MarginLayoutParams) view.getLayoutParams(); then?
– Vladimir
Sep 19 '11 at 9:23
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Disable mouse scroll wheel zoom on embedded Google Maps
...the first answer in this discussion and it wasn't working for me no matter what I did so I came up with my own solution:
Wrap the iframe with a class (.maps in this example) and ideally embedresponsively code: http://embedresponsively.com/ — Change the CSS of the iframe to pointer-events: none an...
How do I get the path and name of the file that is currently executing?
...ng passed in exists, and since file paths are relative to the cwd, that is what the os.path.realpath function assumes the dir part of the path to be. os.path.dirname(os.path.realpath(__file__)) returns directory with the file. os.path.dirname(os.path.realpath("__file__")) returns cwd. os.path.dirna...
Restore a postgres backup file using the command line?
...our first source of reference should be the man page pg_dump(1) as that is what creates the dump itself. It says:
Dumps can be output in script or
archive file formats. Script dumps are
plain-text files containing the SQL
commands required to reconstruct
the database to the state...
Differences between unique_ptr and shared_ptr [duplicate]
...unique_ptr;, so it depends on two template parameters.
unique_ptr is also what auto_ptr wanted to be in the old C++ but couldn't because of that language's limitations.
shared_ptr on the other hand is a very different animal. The obvious difference is that you can have many consumers sharing respo...