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Why is address zero used for the null pointer?
...t as usable by the platform as an address - the C standard simply had to chose something to use to indicate a null pointer, and zero was chosen. I'm honestly not sure if other sentinel values were considered.
The only requirements for a null pointer are:
it's guaranteed to compare unequal to a ...
Why does an image captured using camera intent gets rotated on some devices on Android?
...
Most phone cameras are landscape, meaning if you take the photo in portrait, the resulting photos will be rotated 90 degrees. In this case, the camera software should populate the Exif data with the orientation that the photo ...
Is there an easy way to check the .NET Framework version?
...ryKey installed_versions = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\NET Framework Setup\NDP");
string[] version_names = installed_versions.GetSubKeyNames();
//version names start with 'v', eg, 'v3.5' which needs to be trimmed off before conversion
double Framework = Convert.ToDouble(ver...
Singleton pattern in nodejs - is it needed?
I recently came across this article on how to write a singleton in Node.js. I know the documentation of require states that:
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How to bring back “Browser mode” in IE11?
...h older IE versions, you should always do your testing in a real copy of those IE version.
However, this does mean that the registry hack described in @EugeneXa's answer to bring back the old dev tools is no longer necessary, since the new dev tools do now have the feature he was missing.
[ORIGIN...
SQlite Getting nearest locations (with latitude and longitude)
...ed to evaluate in your java code. Use the following procedure for this purpose:
To have a deterministic threshold and more accurate filter on data, It is better to calculate 4 locations that are in radius meter of the north, west, east and south of your central point in your java code and then chec...
What is the best way to force yourself to master vi? [closed]
...t getting fired), I'd suggest taking on a weekend project for the sole purpose of learning the editor. Keep its documentation open as you work, and be disciplined enough not to chicken out. As you learn more, become efficient and start relying on muscle memory, it won't be as hard to stick with it.
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CMake: How to build external projects and include their targets
...dited Jan 25 '15 at 11:55
DavidPostill
6,75288 gold badges3333 silver badges4949 bronze badges
answered Mar 2 '13 at 15:22
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How to differ sessions in browser-tabs?
...ab has his own Id.
Data stored using sessionStorage do not persist across browser tabs,
even if two tabs both contain webpages from the same domain origin. In
other words, data inside sessionStorage is confined to not just the
domain and directory of the invoking page, but the browser tab...
What is the relationship between Looper, Handler and MessageQueue in Android?
...is a utility class that facilitates interacting with a Looper—mainly by posting messages and Runnable objects to the thread's MessageQueue. When a Handler is created, it is bound to a specific Looper (and associated thread and message queue).
In typical usage, you create and start a HandlerThread...