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How to find if a given key exists in a C++ std::map
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m.find == m.end() // not found
If you want to use other API, then find go for m.count(c)>0
if (m.count("f")>0)
cout << " is an element of m.\n";
else
cout << " is not an element of m.\n";
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Get the current language in device
... from the current locale. You can extract the locale via the standard Java API, or by using the Android Context. For instance, the two lines below are equivalent:
String locale = context.getResources().getConfiguration().locale.getDisplayName();
String locale = java.util.Locale.getDefault().getDis...
How to create a simple proxy in C#?
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Things have become really easy with OWIN and WebAPI. In my search for a C# Proxy server, I also came across this post http://blog.kloud.com.au/2013/11/24/do-it-yourself-web-api-proxy/ . This will be the road I'm taking.
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Difference between getDefaultSharedPreferences and getSharedPreferences
...Mrs_D it's easier to look it up. If I add a link it would be to a specific API version, which may or may not be what you're looking for.
– copolii
May 5 '13 at 21:58
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What's the best way to store Phone number in Django models
...format E.164, recommended by Twilio for example (who have a service and an API for sending SMS or phone-calls via REST requests).
This is likely to be the most universal way to store phone numbers, in particular if you have international numbers work with.
1. Phone by PhoneNumberField
You can us...
JavaScript: How do I print a message to the error console?
... @Dan: The WebKit Web Inspector also supports the FireBug console API
– olliej
Oct 3 '08 at 3:45
162
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How do I use DateTime.TryParse with a Nullable?
...f - and you should be nulling the result if it fails to fit in with TryXXX APIs in general - Pretty sure FDG mentions that. Man, am I picky!
– Ruben Bartelink
Jan 16 '09 at 14:25
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Ruby / Rails: convert int to time OR get time from integer?
... with the given number of seconds (and optional microseconds) from epoch.
API links
ruby-doc.org/core/classes/Time
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Create a unique number with javascript time
...ance.now().toString().replace('.', 7) developer.mozilla.org/en-US/docs/Web/API/Performance/now
– Itzik Ben Hutta
Oct 7 '17 at 21:48
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Dismissing a Presented View Controller
...e are covering their backs a little here for a potentially kludgy piece of API.
[self dismissViewControllerAnimated:NO completion:nil]
Is actually a bit of a fiddle. Although you can - legitimately - call this on the presented view controller, all it does is forward the message on to the prese...