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Algorithm to return all combinations of k elements from n
... takes an array of letters as an argument and a number of those letters to select.
71 Answers
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Connect different Windows User in SQL Server Management Studio (2005 or later)
... use with the "runas" command.
Then, in SQL Management Studio 2005, just select the "Windows Authentication" and input the server you wanna connect to (even though the user that you can see greyed out is still the local user)... and it works!
Don't ask me why ! :)
Edit:
Make sure to include ":14...
What do I have to do to get Core Data to automatically migrate models?
...oordinator: %@",error);
}
Then you need to do a little trick in xCode:
Select your xcdatamodel file
Select the Design Menu at the top - then Data Model - then choose Add Model Version
Your xcdatamodel file will then get moved into a new directory with the same name as your xcdatamodel file but w...
How do I find a specific table in my EDMX model quickly?
...designer:
Go to the Properties tab:
In the dropdown box at the top, select your table. You should then see it highlighted in the designer.
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How does data binding work in AngularJS?
...f it has some extra feature (for example a specific class on the currently selected option) you start to get 3-5 bindings per option. Put three of these widgets on a page (e.g. one to select a country, the other to select a city in the said country, and the third to select a hotel) and you are somew...
“Cannot evaluate expression because the code of the current method is optimized” in Visual Studio 20
...this issue when I was using VS 2010. My solution configuration has (Debug) selected. I resolved this by unchecking the Optimize Code property under project properties.
Project (right Click)=> Properties => Build (tab) => uncheck Optimize code
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Correct use of transactions in SQL Server
..._ABORT ON -- Turns on rollback if T-SQL statement raises a run-time error.
SELECT * FROM T; -- Check before.
BEGIN TRAN
INSERT INTO T VALUES ('A');
INSERT INTO T VALUES ('B');
INSERT INTO T VALUES ('B');
INSERT INTO T VALUES ('C');
COMMIT TRAN
SELECT * FROM T; -- Check after.
DELETE ...
What can you use Python generator functions for?
...uld like to update Alexa rank for each domain.
First thing you need is to select your domain names from the database.
Let's say your table name is domains and column name is domain.
If you use SELECT domain FROM domains it's going to return 100 million rows which is going to consume lot of memory...
错误解决:Xcode not set up properly. You may need to confirm the licens...
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或
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sudo -i xcode-select -switch /Applications/Xcode6-Beta6.app/Contents/Developer
根据具体路径：
（sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer）
升级xcode 后 Qt 出问题了，goo...
Best C++ Code Formatter/Beautifier
...grated with Visual Studio, Emacs, Vim (and others) and can format just the selected lines (or with git/svn to format some diff).
It can be configured with a variety of options listed here.
When using config files (named .clang-format) styles can be per directory - the closest such file in parent d...