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EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
...I converted craigvl's version to C# I had to add context.SaveChanges(); in order for it to work for me as below.
try
{
byte[] bytes = System.IO.File.ReadAllBytes(@"C:\Users\sheph_000\Desktop\Rawr.png");
Console.WriteLine(bytes);
context.BeverageTypes.AddOrUpdate(
x => x.Name...
What's the use of ob_start() in php?
... I assume output buffering has to be enabled in the .ini file order to call ob_start(); Is this correct? What happens if it isn't enabled?
– Kevin Wheeler
Aug 14 '15 at 3:48
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MySQL, update multiple tables with one query
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Take the case of two tables, Books and Orders. In case, we increase the number of books in a particular order with Order.ID = 1002 in Orders table then we also need to reduce that the total number of books available in our stock by the same number in Books table.
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To prevent a memory leak, the JDBC Driver has been forcibly unregistered
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Is there a reason for the order of those operations in the method contextDestroyed? Why do you do step 1. before doing step 2., where initContext, envContext and datasource are not referenced at all? I'm asking because I don't understand step 3.
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Accessing a Dictionary.Keys Key through a numeric index
...t = mydict.Keys.ElementAt(mydict.Count -1);
You should not depend on the order of keys in a Dictionary. If you need ordering, you should use an OrderedDictionary, as suggested in this answer. The other answers on this page are interesting as well.
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RabbitMQ / AMQP: single queue, multiple consumers for same message?
...ueue is a given, and not configurable. Ie, separate queues are required in order to have the same message ID be handled by multiple consumers.
Is this commonly done? Should I just have the exchange route the message into two separate queues, with a single consumer, instead?
No it's not, single que...
Can I concatenate multiple MySQL rows into one field?
...d in their comment, you can also sort the values before imploding it using ORDER BY:
SELECT person_id, GROUP_CONCAT(hobbies ORDER BY hobbies ASC SEPARATOR ', ')
FROM peoples_hobbies
GROUP BY person_id;
As Dag stated in his comment, there is a 1024 byte limit on the result. To solve this, run this q...
Feedback on using Google App Engine? [closed]
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I am using GAE to host several high-traffic applications. Like on the order of 50-100 req/sec. It is great, I can't recommend it enough.
My previous experience with web development was with Ruby (Rails/Merb). Learning Python was easy. I didn't mess with Django or Pylons or any other framewo...
MySQL query to get column names?
... DESCRIBE cannot be used with WHERE. For example : SHOW COLUMNS FROM acct__order WHERE ``Key`` = 'PRI'; to get the Primary key of a table is not working with DESCRIBE.
– Meloman
Sep 2 at 11:45
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JavaScript variable number of arguments to function
... This would be better since it removes the coupling to argument order. Loosely coupled interfaces are good standard practice...
– Jonas Schubert Erlandsson
Jan 29 '13 at 20:05
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