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Django 1.7 - makemigrations not detecting changes
...ion module and now it's working. makemigrations will not work on unmanaged tables (Which is obvious in hindsight)
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Calling a function of a module by using its name (a string)
...["myfunction"]()
locals returns a dictionary with a current local symbol table. globals returns a dictionary with global symbol table.
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When to use .First and when to use .FirstOrDefault with LINQ?
... only first element.
Also good if result is empty.
We have an UserInfos table, which have some records as shown below. On the basis of this table below I have created example...
How to use First()
var result = dc.UserInfos.First(x => x.ID == 1);
There is only one record where ID== 1. Sho...
Why does UITableViewCell remain highlighted?
What would cause a table view cell to remain highlighted after being touched? I click the cell and can see it stays highlighted as a detail view is pushed. Once the detail view is popped, the cell is still highlighted.
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What are the differences between NP, NP-Complete and NP-Hard?
...al definition. Moreover, "decidable" can also be defined in terms of "computable functions." So, the halting problem is a decision problem ("Does this program halt?" is a yes/no question) but it is undecidable; there is no effective method for determining whether or not an instance of the halting pr...
Determine whether an array contains a value [duplicate]
...oject and nowadays it's Babel :) big win for JavaScript community! There's table of what's available of ES7 already on many platforms including babel pollyfils kangax.github.io/compat-table/es2016plus
– Lukas Liesis
Jul 12 '16 at 9:52
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Why the switch statement cannot be applied on strings?
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Additionally, C/C++ switch statements are typically generated as branch tables. It's not nearly as easy to generate a branch table for a string style switch.
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SQL Server: Query fast, but slow from procedure
...be made to make sense, since the view does have a join clause that says:
(table.column IS NOT NULL)
So there is some NULLs involved.
The explanation is further proved by returning to Query Analizer, and running
SET ANSI_NULLS OFF
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DECLARE @SessionGUID uniqueidentifier
SET @SessionGUID = '...
Entity Framework - Code First - Can't Store List
...types. You can either create an entity (which will be saved to a different table) or do some string processing to save your list as a string and populate the list after the entity is materialized.
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Parameterize an SQL IN clause
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Yes, this is a table scan. Great for 10 rows, lousy for 100,000.
– Will Hartung
Dec 3 '08 at 16:48
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