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How do I turn off Oracle password expiration?

...rtain user profile in Oracle first check which profile the user is using: select profile from DBA_USERS where username = '<username>'; Then you can change the limit to never expire using: alter profile <profile_name> limit password_life_time UNLIMITED; If you want to previously che...
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How to find all duplicate from a List? [duplicate]

...d then filter out any of the enumerables that have a Count of <=1, then select their keys to get back down to a single enumerable: var duplicateKeys = list.GroupBy(x => x) .Where(group => group.Count() > 1) .Select(group => group.Key); ...
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Linq: adding conditions to the where clause conditionally

... && u.Age > 18 && u.Height > strHeightinFeet select u; if (useAge) query = query.Where(u => u.Age > age); if (useHeight) query = query.Where(u => u.Height > strHeightinFeet); // Build the results at the end var results = query.Select(u => new DTO...
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How to fix Error: “Could not find schema information for the attribute/element” by creating schema

...tudio, open your app.config or web.config file. Go to the "XML" menu and select "Create Schema". This action should create a new file called "app.xsd" or "web.xsd". Save that file to your disk. Go back to your app.config or web.config and in the edit window, right click and select properties. From...
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SQL error “ORA-01722: invalid number”

... Well it also can be : SELECT t.col1, t.col2, ('test' + t.col3) as test_col3 FROM table t; where for concatenation in oracle is used the operator || not +. In this case you get : ORA-01722: invalid number ... ...
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Linq select objects in list where exists IN (A,B,C)

I have a list of orders . I want to select orders based on a set of order statuses. 5 Answers ...
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MVC3 DropDownListFor - a simple example?

...uirements. Now, however, how is MVC FW supposed to map the value that is selected on this drop-down back into the simple string property on my view model? ...
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Replacement for “rename” in dplyr

... The next version of dplyr will support an improved version of select that also incorporates renaming: > mtcars2 <- select( mtcars, disp2 = disp ) > head( mtcars2 ) disp2 Mazda RX4 160 Mazda RX4 Wag 160 Datsun 710 108 Hornet 4 Drive 258 H...
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How do I create test and train samples from one dataframe with pandas?

... scikit learn's train_test_split is a good one. from sklearn.model_selection import train_test_split train, test = train_test_split(df, test_size=0.2) share | improve this answer ...
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How can I indent multiple lines in Xcode?

When I select multiple lines of code and want to indent them as usual with TAB key, it just deletes them all. I come from Eclipse where I always did it that way. How's that done in Xcode? I hope not line by line ;) ...