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Error “can't use subversion command line client : svn” when opening android project checked out from
...udio cannot find the svn command because it's not on PATH, and it doesn't know where svn is installed.
One way to fix is to edit the PATH environment variable: add the directory that contains svn.exe. You will need to restart Android Studio to make it re-read the PATH variable.
Another way is to s...
C library function to perform sort
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Well,as far as I am concerned now .. this works for every contest ;)
– whacko__Cracko
Nov 24 '09 at 22:53
5
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Tetris-ing an array
...ies, so in interpreted languages this will have a huge efficiency gain...
Now, if you want only full paths, we need to truncate to the last / character. So:
$prefix = preg_replace('#/[^/]*$', '', commonPrefix($paths));
Now, it may overly cut two strings such as /foo/bar and /foo/bar/baz will be...
How do I prevent site scraping? [closed]
...version, with more tips and details.
In order to hinder scraping (also known as Webscraping, Screenscraping, Web data mining, Web harvesting, or Web data extraction), it helps to know how these scrapers work, and
, by extension, what prevents them from working well.
There's various types of scr...
C++: what regex library should I use? [closed]
... a linux-based system. I need to do some regex within the C++ code. (I know: I now have 2 problems.)
10 Answers
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Why is it bad practice to call System.gc()?
...n; any that rely on it for performance are most likely broken.
You don't know what sort of garbage collector you are running under. There are certainly some that do not "stop the world" as you assert, but some JVMs aren't that smart or for various reasons (perhaps they are on a phone?) don't do it...
Setting HTTP headers
...t - I used the Set() method on Header() (doh!)
My handler looks like this now:
func saveHandler(w http.ResponseWriter, r *http.Request) {
// allow cross domain AJAX requests
w.Header().Set("Access-Control-Allow-Origin", "*")
}
Maybe this will help someone as caffeine deprived as myself s...
Undefined reference to `pow' and `floor'
... an error, but pow, floor, and printf functions have undefined references, now if I will try to link this to executable:
$ gcc fib.o
fib.o: In function `fibo':
fib.c:(.text+0x57): undefined reference to `pow'
fib.c:(.text+0x84): undefined reference to `floor'
collect2: error: ld returned 1 exit sta...
C++ “virtual” keyword for functions in derived classes. Is it necessary?
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@Rasmi, the new portability guide is here, but now it recommends to use the override keyword.
– Sergei Tachenov
Sep 14 '16 at 18:36
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In Python how should I test if a variable is None, True or False
...il"
# execution continues from here, regardless of exception or not
And now you can have a much richer type of notification from the simulate method as to what exactly went wrong, in case you find error/no-error not to be informative enough.
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