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How do I UPDATE from a SELECT in SQL Server?
..._Table AS Table_A
INNER JOIN Other_Table AS Table_B
ON Table_A.id = Table_B.id
WHERE
Table_A.col3 = 'cool'
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Check if key exists and iterate the JSON array using Python
...
import json
jsonData = """{"from": {"id": "8", "name": "Mary Pinter"}, "message": "How ARE you?", "comments": {"count": 0}, "updated_time": "2012-05-01", "created_time": "2012-05-01", "to": {"data": [{"id": "1543", "name": "Honey Pinter"}]}, "type": "status", "i...
SQL JOIN - WHERE clause vs. ON clause
...
They are not the same thing.
Consider these queries:
SELECT *
FROM Orders
LEFT JOIN OrderLines ON OrderLines.OrderID=Orders.ID
WHERE Orders.ID = 12345
and
SELECT *
FROM Orders
LEFT JOIN OrderLines ON OrderLines.OrderID=Orders.ID
AND Orders.ID = 1234...
How can I use interface as a C# generic type constraint?
...e T : IBase;
public interface IBase { }
public interface IActual : IBase { string S { get; } }
public class Actual : IActual { public string S { get; set; } }
Now there's nothing stopping you from calling Foo thus:
Foo<Actual>();
The Actual class, after all, satisfies the IBase constraint...
How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?
...frozensets or tuples), but this method fails in Python 3 when keys are not strings.
>>> c = dict(a, **b)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: keyword arguments must be strings
From the mailing list, Guido van Rossum, the creator of...
How can I get a user's media from Instagram without authenticating as a user?
I'm trying to put a user's recent Instagram media on a sidebar. I'm trying to use the Instagram API to fetch the media.
20 ...
Default value in Doctrine
...can use:
<?php
/**
* @Entity
*/
class myEntity {
/**
* @var string
*
* @Column(name="myColumn", type="string", length="50")
*/
private $myColumn = 'myDefaultValue';
...
}
PHP-level default values are preferred as these are also properly available on newly crea...
Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]
<div id="example-value"> or <div id="example_value"> ?
8 Answers
8
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Detect Safari browser
...
Doesn't work. Currently outputting chrome UA string on iPhone and it doesn't even have the word "chrome" in it.
– Paul Carlton
Jul 1 '14 at 22:59
6
...
Open files in 'rt' and 'wt' modes
...d binary file modes (on all platforms). In text mode, read returns Unicode strings. In binary mode, read returns a bytes instance. If you want to write Python 2 code with forwards compatibility in mind, you can use io.open rather than the standard open to get the Python 3 behavior (with unicode vers...