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Java Hashmap: How to get key from value?
...n I get the corresponding key? Do I have to loop through the hashmap? What is the best way to do that?
34 Answers
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jQuery trigger file input
... an upload box (browse button) using jQuery.
The method I have tried now is:
21 Answers
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What is the best way to convert seconds into (Hour:Minutes:Seconds:Milliseconds) time?
What is the best way to convert seconds into (Hour:Minutes:Seconds:Milliseconds) time?
13 Answers
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How do I perform an insert and return inserted identity with Dapper?
...parameters (including RETURN value) if you use DynamicParameters, but in this case the simpler option is simply:
var id = connection.QuerySingle<int>( @"
INSERT INTO [MyTable] ([Stuff]) VALUES (@Stuff);
SELECT CAST(SCOPE_IDENTITY() as int)", new { Stuff = mystuff});
Note that on more recent...
How to select from subquery using Laravel Query Builder?
...
In addition to @delmadord's answer and your comments:
Currently there is no method to create subquery in FROM clause, so you need to manually use raw statement, then, if necessary, you will merge all the bindings:
$sub = Abc::where(..)->groupBy(..); // Eloquent Builder instance
$count = DB...
AngularJS- Login and Authentication in each route and controller
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My solution breaks down in 3 parts: the state of the user is stored in a service, in the run method you watch when the route changes and you check if the user is allowed to access the requested page, in your main controller you watch if the state of the user change.
app.run(['$root...
Why do you need explicitly have the “self” argument in a Python method?
When defining a method on a class in Python, it looks something like this:
10 Answers
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Efficient SQL test query or validation query that will work across all (or most) databases
...psky)
PostgreSQL
SQLite
SELECT 1 FROM DUAL
Oracle
SELECT 1 FROM any_existing_table WHERE 1=0
or
SELECT 1 FROM INFORMATION_SCHEMA.SYSTEM_USERS
or
CALL NOW()
HSQLDB (tested with version 1.8.0.10)
Note: I tried using a WHERE 1=0 clause on the second query, but it didn't work as a value for Apach...
Using an RDBMS as event sourcing storage
... not need to know about the specific fields or properties of events. Otherwise every modification of your model would result in having to migrate your database (just as in good old-fashioned state-based persistence). Therefore I wouldn't recommend option 1 and 2 at all.
Below is the schema as used ...