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How would you do a “not in” query with LINQ?
I have two collections which have property Email in both collections. I need to get a list of the items in the first list where Email does not exist in the second list. With SQL I would just use "not in", but I do not know the equivalent in LINQ. How is that done?
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JPA getSingleResult() or null
I have an insertOrUpdate method which inserts an Entity when it doesn't exist or update it if it does. To enable this, I have to findByIdAndForeignKey , if it returned null insert if not then update. The problem is how do I check if it exists? So I tried getSingleResult . But it throws an ex...
Use 'class' or 'typename' for template parameters? [duplicate]
When defining a function template or class template in C++, one can write this:
10 Answers
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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
I want to extract just the date part from a timestamp in PostgreSQL.
7 Answers
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HTML minification? [closed]
...ments?
– Will Peavy
Jan 5 '10 at 14:43
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Not actually an answer to the original question :(
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Iterate two Lists or Arrays with one ForEach statement in C#
This just for general knowledge:
11 Answers
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Rolling or sliding window iterator?
I need a rolling window (aka sliding window) iterable over a sequence/iterator/generator. Default Python iteration can be considered a special case, where the window length is 1. I'm currently using the following code. Does anyone have a more Pythonic, less verbose, or more efficient method for d...
Mockito matcher and array of primitives
With Mockito, I want to verify() a method call with byte[] in its argument list, but I didn't find how to write this.
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Benefit of using Parcelable instead of serializing object
As I understand, Bundle and Parcelable belongs to the way Android performs serialization in. It is used for example in passing data between activities. But I wonder, if there are any benefits in using Parcelable instead of classic serialization in case of saving state of my business objects to...
Stopping python using ctrl+c
I have a python script that uses threads and makes lots of HTTP requests. I think what's happening is that while a HTTP request (using urllib2) is reading, it's blocking and not responding to Ctrl C to stop the program. Is there any way around this?
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