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How to select only the records with the highest date in LINQ

I have a table, 'lasttraces', with the following fields. 5 Answers 5 ...
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What's the difference between := and = in Makefile?

For variable assignment in Make, I see := and = operator. What's the difference between them? 3 Answers ...
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Can I click a button programmatically for a predefined intent?

I need the button click of the intent ACTION_SEND. Here there is no need of displaying UI. Can I get the "Send" button click from the MMS-SMSProvider in Android? ...
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Can I make the foreign key field optional in Django model

I have this code 1 Answer 1 ...
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Query a parameter (postgresql.conf setting) like “max_connections”

Does anyone know if it's even possible (and how, if yes) to query a database server setting in PostgreSQL (9.1)? 1 Answer ...
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setup cron tab to specific time of during weekdays

I am trying to setup a cron job on a Ubuntu server. We want the cron job to run the script at certain times of the day and on some specific days of the week. For example, we want to setup a cron job that runs the script with the following sequence: ...
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WPF global exception handler [duplicate]

Sometimes, under not reproducible circumstances, my WPF application crashes without any message. The application simply close instantly. ...
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How to write multiple line property value using PropertiesConfiguration?

I have a properties file with a property with a List value (comma separated), how to write this property in a multi-line ? (backslash after the comma)? ...
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What's the best way of structuring data on firebase?

I am new to firebase and I want to know what's the best way of structuring data on it. 3 Answers ...
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Why is '+' not understood by Python sets?

I would like to know why this is valid: 6 Answers 6 ...