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How to call a stored procedure from Java and JPA
...be it shouldn't.
In the Book EJB3 in Action, it says on page 383, that JPA does not support stored procedures (page is only a preview, you don't get the full text, the entire book is available as a download in several places including this one, I don't know if this is legal though).
Anyway, the text...
How to determine whether an object has a given property in JavaScript
...nherited from Object.prototype
obj.hasOwnProperty('toString') == false; // doesn't contains it physically
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Best way to test exceptions with Assert to ensure they will be thrown
...ese cases I wrap it in a try/catch block that expects the exact exception, does an Assert.Fail if the code succeeds and also catches generic exceptions to make sure that a different exception is not thrown.
First case:
[TestMethod]
[ExpectedException(typeof(ArgumentNullException))]
public void Met...
Get first day of week in SQL Server
... of the week. However, the standard technique I use for rounding off dates does not appear to work correctly with weeks (though it does for days, months, years, quarters and any other timeframe I've applied it to).
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method overloading vs optional parameter in C# 4.0 [duplicate]
...d like so - Note the use of named parameter -
DoFoo(c:"Hello There, John Doe")
This call takes parameter a value as 10 and parameter b as 23.
Another variant of this call - notice you don't need to set the parameter values in the order as they appear in the method signature, the named parameter ...
Tricks to manage the available memory in an R session
...d.R may take quite some time to load in data from files or a database, and does any bare minimum pre-processing/merging of that data. The last line of load.R is something to save the workspace state. Then do.R is my scratchpad whereby I build out my analysis functions. I frequently reload do.R (wit...
How to create REST URLs without verbs?
...ssfully or creating a resource asynchronously
400 Bad Request when someone does an operation on data that's clearly bogus; for your application this could be a validation error; generally reserve 500 for uncaught exceptions
401 Unauthorized when someone accesses your API either without supplying a n...
Guid is all 0's (zeros)?
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Does it compile into the same IL as default(S) or are there any subtleties I'm missing?
– configurator
Nov 2 '11 at 19:02
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When are you supposed to use escape instead of encodeURI / encodeURIComponent?
...ample.org%2F%Ffa%3D12%26b%3D55&param2=99
Note that encodeURIComponent does not escape the ' character. A common bug is to use it to create html attributes such as href='MyUrl', which could suffer an injection bug. If you are constructing html from strings, either use " instead of ' for attribut...
Padding between ActionBar's home icon and title
Does anybody know how to set padding between the ActionBar's home icon and the title?
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