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Determine if variable is defined in Python [duplicate]
...ot necessarily true. If you want to create some client library for a JSON API that treats a null value as different from an unspecified value (eg. None sets the actual JSON value to null, whereas an unspecified leaves it out of the JSON message entirely, which makes the API use a default or calcula...
Get/pick an image from Android's built-in Gallery app programmatically
...ges one by one here
}
}
}
Note that this is only supported by API level 18+.
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Creating an Android trial application that expires after a fixed time period
...s and Android 2.2 Froyo or above, as long as you implement the Data Backup APIs for Google Data Synchronization the user should not be able to escape this across devices or by uninstalling, only by going to Settings > Applications and clearing data. Also, the method on Date is getTime not getTime...
Getting random numbers in Java [duplicate]
...ut strictly less than 1 ([documentation](download.oracle.com/javase/6/docs/api/java/lang/… ). So it's 0.0 to 49.999 etc. which becomes 1 to 50.999 etc. when you add 1, which becomes 1 to 50 when you truncate to int.
– Rup
May 5 '11 at 13:48
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How to emulate GPS location in the Android Emulator?
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when i open app in emulator google api client null so not able to load map in emulator. and mobile device there is ok for me.
– Kevan Aghera
Apr 6 '18 at 5:05
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Difference between HashMap, LinkedHashMap and TreeMap
...table" is the generic name for hash-based maps. In the context of the Java API,
Hashtable is an obsolete class from the days of Java 1.1 before the collections framework existed. It should not be used anymore, because its API is cluttered with obsolete methods that duplicate functionality, and its m...
How to use ELMAH to manually log errors
...urrent).Log(new Elmah.Error(ex));
}
ELMAH 1.2 introduces a more flexible API:
try
{
some code
}
catch(Exception ex)
{
Elmah.ErrorSignal.FromCurrentContext().Raise(ex);
}
There is a difference between the two solutions:
Raise method applies ELMAH filtering rules to the exception. Log...
What are the functional differences between NW.js, Brackets-Shell and Electron?
...com/nwjs/nw.js/wiki/The-Kiosk-mode
supports for a growing list of chrome.* API, include chrome.webRequest so you can intercept HTTP requests from DOM: https://github.com/nwjs/nw.js/issues/518
support for rich notifications, print preview, many more chrome.* APIs, Chrome Apps and other Chromium featu...
What is a postback?
...in web application development when interacting with 3rd party web-service APIs
Many APIs require both an interactive and non-interactive integration. Typically the interactive part is done using redirects (site 1 redirects a user to site 2, where they sign in, and are redirected back). The non-in...
Reference requirements.txt for the install_requires kwarg in setuptools setup.py file
...n old versions of pip, more specifically older than 6.0, there is a public API that can be used to achieve this. A requirement file can contain comments (#) and can include some other files (--requirement or -r). Thus, if you really want to parse a requirements.txt you can use the pip parser:
from ...