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Is it fine to have foreign key as primary key?
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Foreign keys are almost always "Allow Duplicates," which would make them unsuitable as Primary Keys.
Instead, find a field that uniquely identifies each record in the table, or add a new field (either an auto-incrementing integer or a GUID) to act as the p...
How can I return to a parent activity correctly?
...ent to it.
Therefore, the system is forced to recreate activity A (i.e. calling onCreate) even if the task stack is handled correctly.
To fix this problem you need to change the manifest, adding the following attribute to the A activity declaration:
android:launchMode="singleTop"
Note: calling...
How to view the assembly behind the code using Visual C++?
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There are several approaches:
You can normally see assembly code while debugging C++ in visual studio (and eclipse too). For this in Visual Studio put a breakpoint on code in question and when debugger hits it rigth click and find "Go To Assembly" ( or press CTRL+ALT...
How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
How can I install Google Play Services in a Genymotion emulator with no drag and drop support?
17 Answers
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How to clone git repository with specific revision/changeset?
How can I clone git repository with specific revision, something like I usually do in Mercurial:
15 Answers
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Replacement for deprecated sizeWithFont: in iOS 7?
...ng existing data vs. you typing it multiple times or referencing constants all over the place, etc
– toblerpwn
Oct 30 '13 at 21:38
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Chrome ignores autocomplete=“off”
...eated a web application which uses a tagbox drop down. This works great in all browsers except Chrome browser (Version 21.0.1180.89).
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Bootstrap 3 Flush footer to bottom. not fixed
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For me this does not work because my footer is rather tall. It's great if you just want a paragraph but mine has several columns - using this method, I end up with a margin under the footer when I go down to smaller sizes
– NightMICU
Jul 15 ...
Restful API service
I'm looking to make a service which I can use to make calls to a web-based REST API.
11 Answers
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How can I retrieve Id of inserted entity using Entity framework? [closed]
...to ObjectSet and SaveChanges on related ObjectContext. Id will be automatically filled for you:
using (var context = new MyContext())
{
context.MyEntities.Add(myNewObject);
context.SaveChanges();
int id = myNewObject.Id; // Yes it's here
}
Entity framework by default follows each INSERT wi...