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Can pandas automatically recognize dates?
..., 3]] -> combine columns 1 and 3 and parse as a single date
column. {‘foo’ : [1, 3]} -> parse columns 1, 3 as date and call result ‘foo’
The default sensing of dates works great, but it seems to be biased towards north american Date formats. If you live elsewhere you might occasion...
What is std::promise?
...example's sake, suppose we have a function that takes some arguments:
int foo(double, char, bool);
First off, we have the template std::future<T>, which represents a future value of type T. The value can be retrieved via the member function get(), which effectively synchronizes the progra...
NameError: name 'self' is not defined
...y if you try to reference values for that object inside the function.
def foo():
print(self.bar)
>NameError: name 'self' is not defined
def foo(self):
print(self.bar)
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Google Chrome redirecting localhost to https
...next versions of Chrome is going to force all domains ending on .dev (and .foo) to be redirected to HTTPs via a preloaded HTTP Strict Transport Security (HSTS) header.
{ "name": "dev", "include_subdomains": true, "mode": "force-https" },
{ "name": "foo", "include_subdomains": true, "mode": "force-...
C++11 emplace_back on vector?
...
{}
};
vector<T> V;
int main()
{
V.emplace_back(42, 3.14, "foo");
}
The point of using emplace_back is to avoid creating a temporary object, which is then copied (or moved) to the destination. While it is also possible to create a temporary object, then pass that to emplace_back, i...
Getting the name of the currently executing method
...
public class SomeClass {
public void foo(){
class Local {};
String name = Local.class.getEnclosingMethod().getName();
}
}
name will have value foo.
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Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]
...ction setValue:(id)kCFBooleanTrue forKey:kCATransactionDisableActions];
//foo
[CATransaction commit];
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What is the canonical way to check for errors using the CUDA runtime API?
...elow:
#include <stdio.h>
#include <stdlib.h>
__global__ void foo(int *ptr)
{
*ptr = 7;
}
int main(void)
{
foo<<<1,1>>>(0);
// make the host block until the device is finished with foo
cudaDeviceSynchronize();
// check for error
cudaError_t error = cudaG...
Able to push to all git remotes with the one command?
... have execute permissions for, and 3) called "git-[custom name]" (e.g. git-foo, git-push-all) and you'll be able to simply type "git [custom name]" (e.g. git foo, git push-all).
– Andrew Martin
Apr 9 '15 at 10:09
...
php execute a background process
...he return value..if not then it ends
proc_close( proc_open( "./command --foo=1 &", array(), $foo ) );
I tested this quickly from the command line using "sleep 25s" as the command and it worked like a charm.
(Answer found here)
...