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Which annotation should I use: @IdClass or @EmbeddedId
...fication has 2 different ways to specify entity composite keys: @IdClass and @EmbeddedId .
7 Answers
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How can I ssh directly to a particular directory?
I often have to login to one of several servers and go to one of several directories on those machines. Currently I do something of this sort:
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Compare DATETIME and DATE ignoring time portion
... to the date-part of the day after DF2.
I.e. (DF1 >= CAST(DF2 AS DATE)) AND (DF1 < DATEADD(dd, 1, CAST(DF2 AS DATE)))
NOTE: It is very important that the comparison is >= (equality allowed) to the date of DF2, and (strictly) < the day after DF2. Also the BETWEEN operator doesn't work bec...
How to gracefully handle the SIGKILL signal in Java
How do you handle clean up when the program receives a kill signal?
5 Answers
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How to determine the longest increasing subsequence using dynamic programming?
... at element with index i. To compute DP[i] we look at all indices j < i and check both if DP[j] + 1 > DP[i] and array[j] < array[i] (we want it to be increasing). If this is true we can update the current optimum for DP[i]. To find the global optimum for the array you can take the maximum v...
delete_all vs destroy_all?
...ave a user whose user ID is across many tables. I want to delete this user and every record that has his ID in all tables.
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Selenium wait until document is ready
...completely? I want something generic, I know I can configure WebDriverWait and call something like 'find' to make it wait but I don't go that far. I just need to test that the page loads successfully and move on to next page to test.
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Missing artifact com.microsoft.sqlserver:sqljdbc4:jar:4.0
I am trying to add MS SQL driver dependency in my POM.xml file and the following is the dependency.
10 Answers
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filtering NSArray into a new NSArray in Objective-C
I have an NSArray and I'd like to create a new NSArray with objects from the original array that meet certain criteria. The criteria is decided by a function that returns a BOOL .
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The type or namespace name could not be found [duplicate]
... also a third project referenced by PrjForm, which it is able to reference and use successfully.
16 Answers
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