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Entity Framework .Remove() vs. .DeleteObject()
...n satisfied, requires every value of one attribute (column) of a relation (table) to exist as a value of another attribute in a different (or the same) relation (table), so when relationship is Optional we break the data Integrity rule
– Mohammadreza
Jul 15 '14...
How to pass anonymous types as parameters?
...ruct Data {
public string ColumnName;
}
var query = (from name in some.Table
select new Data { ColumnName = name });
MethodOp(query);
...
MethodOp(IEnumerable<Data> enumerable);
In this case though, you are only selecting a single field, so it may be easier to just select the ...
Python str vs unicode types
...is 0x1F602.
You can look up the Unicode numbers of all characters in this table. In particular, you can find the first three characters above here, the arrow here, and the emoji here.
These numbers assigned to all characters by Unicode are called code points.
The purpose of all this is to provide...
Passing arguments forward to another javascript function
...lready supports spread operator is FF at the moment. See the compatibility table for a complete, up to date data: kangax.github.io/compat-table/es6/#spread_%28...%29_operator
– TMG
Aug 13 '15 at 8:37
...
How to delete an SMS from the inbox in Android programmatically?
...ved broadcast has no property that could reflect the _id column in the SMS table.
However, not being one to be stopped that easily I post myself (via a Handler) a delayed message with the SmsMessage as the attached object. (I suppose you could post yourself a Runnable too...)
handler.sendMessageD...
Best way to create unique token in Rails?
... For a 32-bit IP address, it would be fairly easy to have a lookup table of all of any possible hexdigest generated by @thekingoftruth, so don't anyone go thinking that even a substring of the hash will be irreversible.
– mwfearnley
Mar 24 '16 at 17:24
...
LINQPad [extension] methods [closed]
...Customers, @"c:\temp\customers.csv");
This will write the content of the table Customers to the CSV file c:\temp\customers.csv. You can also find a nice example how to use Util.WriteCsv and then display the CSV data in Linqpad's result window here.
Hints:
To get/create a CSV file which is in t...
How to use MySQL DECIMAL?
...1 to 99.9999 like you asked you would need the following statement
CREATE TABLE your_table
(
your_column DECIMAL(6,4) NOT NULL
);
The column definition follows the format DECIMAL(M, D) where M is the maximum number of digits (the precision) and D is the number of digits to the right of the de...
Does MySQL foreign_key_checks affect the entire database?
...
Let's say you have a table with referencing id's, but some referenced records are missing. If you add the foreign key (FK) while FOREIGN_KEY_CHECKS are ON, then Mysql will raise an error and refuse to add the FK, because of the broken reference. ...
How to set data attributes in HTML elements
...bjValues['field.dataset.customval'] = field.dataset.customval
console.table([objValues])
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<h1>Example</h1>
<form>
<input id="textfield" type="text" data-customval=...