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How to include “zero” / “0” results in COUNT aggregate?
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f14793057%2fhow-to-include-zero-0-results-in-count-aggregate%23new-answer', 'question_page');
}
);
...
How to bind inverse boolean properties in WPF?
... {
if (targetType != typeof(bool))
throw new InvalidOperationException("The target must be a boolean");
return !(bool)value;
}
public object ConvertBack(object value, Type targetType, object parameter,
System.Globalization.C...
printf with std::string?
...e and typesafe. In fact, when you're writing C++, you generally want to avoid printf entirely -- it's a leftover from C that's rarely needed or useful in C++.
As to why you should use cout instead of printf, the reasons are numerous. Here's a sampling of a few of the most obvious:
As the question...
Groovy Shell warning “Could not open/create prefs root node …”
...ware\WOW6432Node\JavaSoft)
Right click on the JavaSoft folder and click on New -> Key
Name the new Key Prefs and everything should work.
Alternatively, save and execute a *.reg file with the following content:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\Software\JavaSoft\Prefs]
...
Controlling fps with requestAnimationFrame?
...
Thanks for the updated link using the new rAF timestamp feature. The new rAF timestamp adds useful infrastruction and it's also more precise than Date.now.
– markE
Jul 22 '14 at 19:57
...
Is there a shortcut in Eclipse to Re-run the most recently launched program?
...
The new behaviour is optimal for beginners that write a single executable class. The old approach is optimal for large tasks with multiple projects that may have several entry points.
– Audrius Meskauskas
...
Is Redis just a cache?
...ieve questions for each tag. But SO allows you to see top voted questions, new questions or unanswered questions under each tag.
To model this, we use Redis' Sorted Set feature. A Sorted Set allows you to associate a score with each element. You can then retrieve elements based on their scores.
L...
SCOPE_IDENTITY() for GUIDs?
....
CREATE TABLE dbo.GuidPk (
ColGuid uniqueidentifier NOT NULL DEFAULT NewSequentialID(),
Col2 int NOT NULL
)
GO
DECLARE @op TABLE (
ColGuid uniqueidentifier
)
INSERT INTO dbo.GuidPk (
Col2
)
OUTPUT inserted.ColGuid
INTO @op
VALUES (1)
SELECT * FROM @op
SELECT * F...
How to convert JSON data into a Python object
...port SimpleNamespace
data = '{"name": "John Smith", "hometown": {"name": "New York", "id": 123}}'
# Parse JSON into an object with attributes corresponding to dict keys.
x = json.loads(data, object_hook=lambda d: SimpleNamespace(**d))
print(x.name, x.hometown.name, x.hometown.id)
OLD ANSWER (Pyth...
Python debugging tips [closed]
...
– Sardathrion - against SE abuse
Nov 15 '12 at 13:51
1
Apparently there's a rewrite of pydb called pydbgr
...