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Difference between pre-increment and post-increment in a loop?
...
a++ is known as postfix.
add 1 to a, returns the old value.
++a is known as prefix.
add 1 to a, returns the new value.
C#:
string[] items = {"a","b","c","d"};
int i = 0;
foreach (string item in items)
{
Console.WriteLine(++...
data.frame rows to a list
...mp;
}
res.attr("names") = x.attr("row.names");
return res;
}
Now caompare with purrr:
benchmark(
purrr = by_row(x, function(v) list(v)[[1L]], .collate = "list")$.out,
rcpp = df2list(x)
)
Results:
Benchmark summary:
Time units : milliseconds
expr n.eval min lw.qu median m...
Retrieve the commit log for a specific line in a file?
...:22:22 -0800 160) "$browser_path" $NEWTAB "$@" &
And you want to know the history of what is now line 155.
Then, use git log. Here, -L 155,155:git-web--browse.sh means "trace the evolution of lines 155 to 155 in the file named git-web--browse.sh".
$ git log --pretty=short -u -L 155,155:gi...
JavaScript sleep/wait before continuing [duplicate]
...ew Date().getTime() - start) > milliseconds){
break;
}
}
}
now, if you want to sleep for 1 second, just use:
sleep(1000);
example: http://jsfiddle.net/HrJku/1/
please note that this code will keep your script busy for n milliseconds. This will not only stop execution of Javascript o...
WAMP error: Forbidden You don't have permission to access /phpmyadmin/ on this server
...
The Put Online option is now unavailable. To enable it, Right click on the Wamp Icon > Wamp settings > Check on the Menu item: Online/Offline, when you now left click on the icon, the 'Put Online' option will be available
–...
Find nearest value in numpy array
... the future. Use 'series.values.argmin' to get the position of the minimum now. Using idxmin instead of argmin works for me with the solution above. (v3.6.4)
– jorijnsmit
May 15 '18 at 6:36
...
What are the pros and cons of the SVN plugins for Eclipse, Subclipse and Subversive? [closed]
...oing SVN-instensive stuff like that...I cheap and jump to TortoiseSVN. BUT now that I'm trying to move to linux dev env...we will need to see.
– demaniak
Mar 12 '14 at 9:04
ad...
Can a local variable's memory be accessed outside its scope?
...e going to die in an explosion while you are sneaking around.
You don't know what is going to happen; when you checked out of the hotel and stole a key to illegally use later, you gave up the right to live in a predictable, safe world because you chose to break the rules of the system.
C++ is not...
How do I select a merge strategy for a git rebase?
...vely current versions, the presence of -X implies -s recursive, so you can now use just git rebase ${branch} -X theirs. (source git-scm.com/docs/git-rebase#git-rebase--Xltstrategy-optiongt )
– Matt Passell
Apr 10 '18 at 18:36
...
How to “hibernate” a process in Linux by storing its memory to disk and restoring it later?
...e project to be unmantained and impossible to compile with recent kernels.
Now, I found two actively mantained projects providing the application checkpointing feature.
The first, the one I suggest 'cause I have better luck running it, is CRIU
that performs checkpoint/restore mainly in userspace, ...