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How would one call std::forward on all arguments in a variadic function?
...
You would do:
template <typename ...Params>
void f(Params&&... params)
{
y(std::forward<Params>(params)...);
}
The ... pretty much says "take what's on the left, and for each template parameter, unpack it accordingly."
...
How to fight tons of unresolved variables warning in Webstorm?
...
Use JSDoc:
/**
* @param {{some_unres_var:string}} data
*/
function getData(data){
console.log(data.some_unres_var);
}
share
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improve t...
Why can't I overload constructors in PHP?
...o instantiate a PHP object while passing several different combinations of parameters, use the factory pattern with a private constructor.
For example:
public MyClass {
private function __construct() {
...
}
public static function makeNewWithParameterA($paramA) {
$obj = n...
Start an Activity with a parameter
...t this activity from another place and you do it the standard way, with no params. It will throw a NPE. You should always consider this params optional.
– Gaspar de Elias
Aug 16 '12 at 9:30
...
Programmatically find the number of cores on a machine
...ode
#ifdef _WIN32
#include <windows.h>
#elif MACOS
#include <sys/param.h>
#include <sys/sysctl.h>
#else
#include <unistd.h>
#endif
int getNumCores() {
#ifdef WIN32
SYSTEM_INFO sysinfo;
GetSystemInfo(&sysinfo);
return sysinfo.dwNumberOfProcessors;
#elif MACOS...
Get real path from URI, Android KitKat new storage access framework [duplicate]
... field for the MediaStore and
* other file-based ContentProviders.
*
* @param context The context.
* @param uri The Uri to query.
* @author paulburke
*/
public static String getPath(final Context context, final Uri uri) {
final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_...
How to document a method with parameter(s)?
How to document methods with parameters using Python's documentation strings?
8 Answers
...
How to pass parameters in $ajax POST?
.... In the code below for some reason the data is not appended to the url as parameters, but if I set them directly to the url using /?field1="hello" it works.
...
YouTube API to fetch all videos on a channel
.../list#try-it
You can specify the username with the forUsername={username} param, or specify mine=true to get your own (you need to authenticate first). Include part=contentDetails to see the playlists.
GET https://www.googleapis.com/youtube/v3/channels?part=contentDetails&forUsername=jambrose...
How can I find the number of arguments of a Python function?
...one):
pass
sig = signature(someMethod)
Now, you can either view its parameters quickly by string it:
str(sig) # returns: '(self, arg1, kwarg1=None)'
or you can also get a mapping of attribute names to parameter objects via sig.parameters.
params = sig.parameters
print(params['kwarg1'])...