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Git: Find the most recent common ancestor of two branches
...ed Acyclic Graph, and yet it's often thought of as a tree, which it technically is not. To be more careful in my wording, I was talking about the case where you want the parent of the first instance of the "branches" diverging... since they may have multiple points where they re-merged and re-split...
Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
...ng is a 64-bit unsigned integer.
int is a 32-bit integer.
So int is a "smaller" datatype than NSUInteger, therefore the compiler warning.
See also NSUInteger in the "Foundation Data Types Reference":
When building 32-bit applications, NSUInteger is a 32-bit unsigned
integer. A 64-bit applic...
ADB not recognising Nexus 4 under Windows 7
I'm running on Windows 7, and I've updated all the drivers as it says on the Android developer website regarding using hardware devices. However, Eclipse is still not recognising my Nexus 4 when I try to run the application. The Android device chooser pops up, but it doesn't show anything on the h...
How to create ASP.NET Web API Url?
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The ApiController has a property called Url which is of type System.Web.Http.Routing.UrlHelper which allows you to construct urls for api controllers.
Example:
public class ValuesController : ApiController
{
// GET /api/values
public IEnumerable<...
Get to UIViewController from UIView?
...
All this bs about "you shouldn't do this" is just that. If a view wants to know about its view controller, that is up to the programmer to decide. period.
– Daniel Kanaan
Dec 7 '15 at ...
How are the points in CSS specificity calculated
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Pekka's answer is practically correct, and probably the best way to think about the issue.
However, as many have already pointed out, the W3C CSS recommendation states that "Concatenating the three numbers a-b-c (in a number system with a large base...
JUnit confusion: use 'extends TestCase' or '@Test'?
...Unit 4)
using the @Test annotation is the way introduced by JUnit 4
Generally you should choose the annotation path, unless compatibility with JUnit 3 (and/or a Java version earlier than Java 5) is needed. The new way has several advantages:
The @Test annotaton is more explicit and is easier to ...
What does iota of std::iota stand for?
...ase Greek letter iota.
In the quote above, I typed ι, U+03B9, “GREEK SMALL LETTER IOTA”, but Unicode actually has a dedicated code point for APL's iota: ⍳ is U+2373, “APL FUNCTIONAL SYMBOL IOTA”.
In response to the demands of commenters, I shall further address the etymology of “iot...
What's the best way to join on the same table twice?
...a fan of natural keys and this is a great example why. Natural keys, especially things like phone numbers, can change and frequently so. Updating your database when that change happens will be a HUGE, error-prone headache. *
Method 1 as you describe it is your best bet though. It looks a bit terse ...
How to execute multi-line statements within Python's own debugger (PDB)
So I am running a Python script within which I am calling Python's debugger, PDB by writing:
6 Answers
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