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Best way to define private methods for a class in Objective-C
... as a private method in Objective-C. However, starting in Objective-C 2.0 (meaning Mac OS X Leopard, iPhone OS 2.0, and later) you can create a category with an empty name (i.e. @interface MyClass ()) called Class Extension. What's unique about a class extension is that the method implementations mu...
Select statement to find duplicates on certain fields
...m going to assume that by "for every record except for the first one", you mean that there is another "id" column that we can use to identify which row is "first".
SELECT id
, field1
, field2
, field3
FROM
(
SELECT id
, field1
, field2
, field3
, RANK...
Explicit vs implicit SQL joins
...table2 has about 1000 rows.
This is a very simple case; it doesn't by any means prove that the query optimizer wouldn't get confused and generate different plans in a more complicated case.
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When are you truly forced to use UUID as part of the design?
...ogy to the probability myself, as it seemed the OP didn't quite grasp it's meaning, but you seem to have done that.
– Noldorin
Mar 31 '09 at 21:15
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Group a list of objects by an attribute : Java
... public int compare(ProductBean p1, ProductBean p2) {
// this mean the first column is tied in thee two rows
if (p1.price > p2.price) {
return 1;
}
if (p1.price < p2.price) {
return -1;
}
r...
ab load testing
...rs do by nature. You don't need to pass a value for -k as it it "boolean" (meaning: it indicates that you desire for your test to use the Keep Alive header from HTTP and sustain the connection). Since browsers do this and you're likely to want to simulate the stress and flow that your site will have...
In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?
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@user691859 I'm not sure what you mean by "using the <p> tag in Markdown can strip the CSS of a regular paragraph". Markdown wraps paragraphs in <p> tags, and ignores those that already have <p> tags. I can't see how this would affect CSS......
What is the meaning of polyfills in HTML5?
What is the meaning of polyfills in HTML5? I saw this word in many sites about HTML5, e.g. HTML5-Cross-Browser-Polyfills.
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Express next function, what is it really for?
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Its simply means pass control to the next handler.
Cheers
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AngularJS - Binding radio buttons to models with boolean values
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You mean the data- prefix I think... The data- prefix is to make the HTML valid (although without that also all modern browsers handle the HTML correctly)
– kumarharsh
Dec 19 '14 at 6:07
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