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Detecting iOS / Android Operating system
... @feeela sometimes the feature is something like being able to install apks, which isn't possible to detect.
– Daniel Lubarov
Mar 7 '16 at 21:11
2
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SQL Inner-join with 3 tables?
...
You can do the following (I guessed on table fields,etc)
SELECT s.studentname
, s.studentid
, s.studentdesc
, h.hallname
FROM students s
INNER JOIN hallprefs hp
on s.studentid = hp.studentid
INNER JOIN halls h
on hp.hal...
How do you clone a Git repository into a specific folder?
...t/it/
mv /where/it/is/right/now/.* /where/I/want/it/
The first line grabs all normal files, the second line grabs dot-files. It is also possibe to do it in one line by enabling dotglob (i.e. shopt -s dotglob) but that is probably a bad solution if you are asking the question this answer answers.
Be...
Do fragments really need an empty constructor?
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Yes they do.
You shouldn't really be overriding the constructor anyway. You should have a newInstance() static method defined and pass any parameters via arguments (bundle)
For example:
public static final MyFragment newInstance(int title, String messa...
How to port data-only volumes from one host to another?
...Docker documentation on Working with Volumes there is the concept of so-called data-only containers, which provide a volume that can be mounted into multiple other containers, no matter whether the data-only container is actually running or not.
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How can I rename a project folder from within Visual Studio?
...s (answer "no" if asked to load a project from source control).
Go through all the unavailable projects and...
Open the properties window for the project (highlight the project and press Alt+Enter or F4, or right-click > properties).
Set the property 'File Path' to the new location.
If the pr...
passing argument to DialogFragment
...troys and recreates the DialogDragment like rotation change, you will lose all variables.
– inmyth
Mar 16 '15 at 4:49
2
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Understanding the difference between Object.create() and new SomeFunction()
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The object used in Object.create actually forms the prototype of the new object, where as in the new Function() form the declared properties/functions do not form the prototype.
Yes, Object.create builds an object that inherits directly from the one passed as ...
How to add an object to an array
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First of all, there is no object or array. There are Object and Array. Secondly, you can do that:
a = new Array();
b = new Object();
a[0] = b;
Now a will be an array with b as its only element.
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How to avoid installing “Unlimited Strength” JCE policy files when deploying an application?
...ted by Java out of the box. I know to get this to function correctly I install the JCE unlimited strength jars in the security folder. This is fine for me being the developer, I can install them.
...