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SQL to determine minimum sequential days of access?
The following User History table contains one record for every day a given user has accessed a website (in a 24 hour UTC period). It has many thousands of records, but only one record per day per user. If the user has not accessed the website for that day, no record will be generated.
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In Objective-C why should I check if self = [super init] is not nil?
I have a general question about writing init methods in Objective-C.
9 Answers
9
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How to disassemble one single function using objdump?
I've got a binary installed on my system, and would like to look at the disassembly of a given function. Preferrably using objdump , but other solutions would be acceptable as well.
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How to fix the Hibernate “object references an unsaved transient instance - save the transient insta
I receive following error when I save the object using Hibernate
30 Answers
30
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Find size of object instance in bytes in c#
For any arbitrary instance (collections of different objects, compositions, single objects, etc)
15 Answers
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Git: “Corrupt loose object”
Whenever I pull from my remote, I get the following error about compression. When I run the manual compression, I get the same:
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How to set or change the default Java (JDK) version on OS X?
How can you change the default version of Java on a mac?
27 Answers
27
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How to use UIScrollView in Storyboard
I have a scroll view with content that is 1000px tall and would like to be able to lay it out for easy design on the storyboard.
I know it can be done programmatically but I really want to be able to see it visually. Every time I put a scroll view on a view controller it won't scroll. Is it possib...
How to configure Visual Studio to use Beyond Compare
I would like to configure Visual Studio to open Beyond Compare by default as the diff tool. How can I do this?
10 Answers
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Adding a column to a data.frame
I have the data.frame below. I want to add a column that classifies my data according to column 1 ( h_no ) in that way that the first series of h_no 1,2,3,4 is class 1, the second series of h_no (1 to 7) is class 2 etc. such as indicated in the last column.
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