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When should I use cross apply over inner join?
...ter is a table of about 20,000,000 records with a PRIMARY KEY on id.
This query:
WITH q AS
(
SELECT *, ROW_NUMBER() OVER (ORDER BY id) AS rn
FROM master
),
t AS
(
SELECT 1 AS id
UNION ALL
SELECT 2
)
SELECT *...
JavaScript null check
...
Q: The function was called with no arguments, thus making data an undefined variable, and raising an error on data != null.
A: Yes, data will be set to undefined. See section 10.5 Declaration Binding Instantiation of the spe...
Programmer-friendly search engine? [closed]
...s a search engine that doesn't ignore symbols or special characters in web queries like google does. It's not a source code search, either. Hope that helps!
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Programmatically obtain the Android API level of a device?
...Build.VERSION.SDK_INT). For example you can run some piece of code which requires newer API in the following way (it will execute if the current device's API level is at least 4)
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.DONUT) {
}
To obtain user visible Android Version use:
Build.VER...
What is std::move(), and when should it be used?
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Move-semantics require the moved object remain valid, which is not an incorrect state. (Rationale: It still has to destruct, make it work.)
– GManNickG
Aug 5 '10 at 16:37
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How do I set a cookie on HttpClient's HttpRequestMessage
...rying to use the web api's HttpClient to do a post to an endpoint that requires login in the form of an HTTP cookie that identifies an account (this is only something that is #ifdef 'ed out of the release version).
...
How can I get query string values in JavaScript?
Is there a plugin-less way of retrieving query string values via jQuery (or without)?
73 Answers
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Select between two dates with Django
I am looking to make a query that selects between dates with Django.
4 Answers
4
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How to make “if not true condition”?
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try
if ! grep -q sysa /etc/passwd ; then
grep returns true if it finds the search target, and false if it doesn't.
So NOT false == true.
if evaluation in shells are designed to be very flexible, and many times doesn't require chains of ...
Proper way to exit iPhone application?
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In Tech Q&A QA1561, Apple strongly discourages use of exit as it makes the app appear to have crashed. developer.apple.com/iphone/library/qa/qa2008/qa1561.html
– progrmr
May 6 '10 at 12:47
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