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Update a record without first querying?
Lets say I query the database and load a list of items. Then I open one of the items in a detail view form, and instead of re-querying the item out of the database, I create an instance of the item from the datasource in the list.
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Mutex example / tutorial? [closed]
I'm new to multithreading, and was trying to understand how mutexes work. Did a lot of Googling but it still left some doubts of how it works because I created my own program in which locking didn't work.
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git ahead/behind info between master and branch?
I have created a branch for testing in my local repo ( test-branch ) which I pushed to Github .
5 Answers
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What exception classes are in the standard C++ library
What are the exception classes that are included in the standard C++ library, and what should they be used for? I know there are a few new C++11 exceptions, but I'm not sure what they are or where they are.
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Run class in Jar file
If you have a jar file called myJar.jar located in /myfolder and you want to use the class called myClass from it, how do you go about doing it from the command line?
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Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
I'm working through some exercises and have got a warning that states:
4 Answers
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Adjusting Eclipse console size
In Eclipse, how do you adjust the maximum lines in the console window? My program outputs 2000 lines of numbers and Eclipse truncates it so therefore I am missing some numbers.
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PostgreSQL: insert from another table
I'm trying to insert data to a table from another table and the tables have only one column in common. The problem is, that the TABLE1 has columns that won't accept null values so I can't leave them empty and I can't get them from the TABLE2.
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How to create materialized views in SQL Server?
I am going to design a DW and I heard about materialized views. Actually I want to create a view and it should update automatically when base tables are changed. Can anyone explain with an query example..
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Where does forever store console.log output?
I installed forever and am using it, finding it quite funny.
11 Answers
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