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How to select the row with the maximum value in each group
... Accessing the auto-named column. Run it without it to understand better.
– Arun
Jun 1 '16 at 14:19
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Repository Pattern Step by Step Explanation [closed]
...pository.
Very often, you will find SQL queries scattered in the codebase and when you come to add a column to a table you have to search code files to try and find usages of a table. The impact of the change is far-reaching.
With the repository pattern, you would only need to change one object an...
In MySQL, can I copy one row to insert into the same table?
...ad already provided for their own problem, albeit with actual temp tables, and slightly cleaner create pattern. I think the OP asked for a better approach to what they were already using, not a clean up of their existing syntax. Don't really understand all the upvotes for this.
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What's “requestCode” used for on PendingIntent?
...ded even in case the alarms' intents are very different (one for service A and one for service B , for example ) ? Also, how come the documentation doesn't say anything about it? Is it possible to remove all alarms of a certain type, no matter what is the requestCode?
– android...
FirstOrDefault: Default value other than null
As I understand it, in Linq the method FirstOrDefault() can return a Default value of something other than null. What I haven't worked out is what kind of things other than null can be returned by this (and similar) method when there are no items in the query result. Is there any particular wa...
Twitter Bootstrap 3 Sticky Footer
I have been using the twitter bootstrap framework for quite a while now and they recently updated to version 3!
25 Answers
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Comparing two strings, ignoring case in C# [duplicate]
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The first one is the correct one, and IMHO the more efficient one, since the second 'solution' instantiates a new string instance.
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How to enable Bootstrap tooltip on disabled button?
I need to display a tooltip on a disabled button and remove it on an enabled button. Currently, it works in reverse.
18 Ans...
Django South - table already exists
I am trying to get started with South. I had an existing database and I added South ( syncdb , schemamigration --initial ).
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MySQL load NULL values from CSV data
...is will do what you want. It reads the fourth field into a local variable, and then sets the actual field value to NULL, if the local variable ends up containing an empty string:
LOAD DATA INFILE '/tmp/testdata.txt'
INTO TABLE moo
FIELDS TERMINATED BY ","
LINES TERMINATED BY "\n"
(one, two, three, ...