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Why is 128==128 false but 127==127 is true when comparing Integer wrappers in Java?
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When you compile a number literal in Java and assign it to a Integer (capital I) the compiler emits:
Integer b2 =Integer.valueOf(127)
This line of code is also generated when you use autoboxing.
valueOf is implemented such that certain numbers are "pooled", and it returns the same instance f...
Difference between ActionBarSherlock and ActionBar Compatibility
... your application an action bar regardless* of what version of the android API your app is being run on. Action Bar Compatibility gives you the action bar only if the device that you're running on is API level 3.0 or above.
*Note that if the device you're running on isn't 3.0 or above, ActionBarShe...
Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req
...ing to do authorization using JavaScript by connecting to the RESTful API built-in Flask . However, when I make the request, I get the following error:
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Instagram how to get my user id from username?
...k
https://www.instagram.com/therock/?__a=1
Update i June-20-2019, the API is public now. No authentication required.
Update in December-11-2018, I needed to confirm that this endpoint still work. You need to login before sending request to this site because it's not public endpoint anymore. Th...
Access restriction: The type 'Application' is not API (restriction on required library rt.jar)
...accidentally using classes which Eclipse thinks are not part of the public API. Usually, Eclipse is right about that, in both senses: We usually do not want to use something which is not part of the public API. And Eclipse is usually right about what is and what isn't part of the public API.
Proble...
How exactly to use Notification.Builder
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This is in API 11, so if you are developing for anything earlier than 3.0 you should continue to use the old API.
Update: the NotificationCompat.Builder class has been added to the Support Package so we can use this to support API leve...
What exactly is OAuth (Open Authorization)?
...there is no way you would refuse such an offer, now would you?
Without an API for exchanging this list of contacts, you would have to give LinkedIn the username and password to your GMail account, thereby giving them too much power.
This is where OAuth comes in. If your GMail supports the OAuth pr...
Where can I learn how to write C code to speed up slow R functions? [closed]
...aterial that's aimed at new users who are not familiar with the existing C api.
– hadley
Nov 5 '10 at 14:08
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Force update of an Android app when a new version is available
...t in another answer here. But in some extreme situations (security issues, API breaking changes...) where you absolutely need the users to update to continue using the app, you could provide a simple versioning API. The API would look like this:
versionCheck API:
Request parameters:
int appVer...
Google Maps API v3: How to remove all markers?
In Google Maps API v2, if I wanted to remove all the map markers, I could simply do:
31 Answers
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