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Move capture in lambda
...e following will be legal code in C++14:
using namespace std;
// a unique_ptr is move-only
auto u = make_unique<some_type>( some, parameters );
// move the unique_ptr into the lambda
go.run( [ u{move(u)} ] { do_something_with( u ); } );
But it is much more general in the sense that cap...
SQLite in Android How to update a specific row
...en use the update method, it should work now:
myDB.update(TableName, cv, "_id="+id, null);
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System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second
...hen you instantiate the Timer, you should almost always do the following:
_timer = new Timer( Callback, null, TIME_INTERVAL_IN_MILLISECONDS, Timeout.Infinite );
This will instruct the timer to tick only once when the interval has elapsed. Then in your Callback function you Change the timer once t...
What are the differences between django-tastypie and djangorestframework? [closed]
... do Django-style inequality filters:
http://www.example.com/api/person?age__gt=30
or OR queries:
http://www.example.com/api/mymodel?language__in=en&language__in=fr
these are possible with djangorestframework, but you have to write custom filters for each model.
For tracebacks, I've been m...
Loop through all nested dictionary values?
...ack edge
/ \ |
_key1 __key2__ |
/ / \ \ |
|->key1.1 key2.1 key2.2 key2.3
| / | |
| value1 value2 |
| |...
How to extract a substring using regex
...a i want' inside 'and even more data'"
text.split("'").zipWithIndex.filter(_._2 % 2 != 0).map(_._1)
res: Array[java.lang.String] = Array(the data i want, and even more data)
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Can't find Request.GetOwinContext
... in the startup. So it came out like this:
private readonly IOwinContext _iOwinContext = HttpContext.Current.GetOwinContext();
public ApplicationUserManager UserManager
{
get
{
return _userManager ?? _iOwinContext.Get<ApplicationUserManager>() ;
}
...
How to convert a std::string to const char* or char*?
...hat needs const char* you can use
std::string str;
const char * c = str.c_str();
If you want to get a writable copy, like char *, you can do that with this:
std::string str;
char * writable = new char[str.size() + 1];
std::copy(str.begin(), str.end(), writable);
writable[str.size()] = '\0'; // ...
How to make a SPA SEO crawlable?
..."!">. This tag will make google's bot transform the URL to www.xyz.com?_escaped_fragment_= which we'll see later.
The 'about' route is just an example to a link to other 'pages' you may want on your web application.
Now, the tricky part is that there is no 'category' route, and there may be many...
When should I write the keyword 'inline' for a function/method?
...hether you ask for it or not.
As an aside to prevent inlining in GCC, use __attribute__(( noinline )), and in Visual Studio, use __declspec(noinline).
Does it matter if an application is multithreaded when one writes 'inline' for a function/method?
Multithreading doesn't affect inlining in any...