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When should I make explicit use of the `this` pointer?
When should I explicitly write this->member in a method of
a class?
12 Answers
12...
Possible to iterate backwards through a foreach?
I know I could use a for statement and achieve the same effect, but can I loop backwards through a foreach loop in C#?
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How to repair a serialized string which has been corrupted by an incorrect byte count length?
... in serialized array
You current serialized data
$data = 'a:10:{s:16:"submit_editorial";b:0;s:15:"submit_orig_url";s:13:"www.bbc.co.uk";s:12:"submit_title";s:14:"No title found";s:14:"submit_content";s:12:"dnfsdkfjdfdf";s:15:"submit_category";i:2;s:11:"submit_tags";s:3:"bbc";s:9:"submit_id";b:0;s...
How do I assign an alias to a function name in C++?
... create a new name for a type, a variable or a namespace. But how do I assign a new name to a function? For example, I want to use the name holler for printf . #define is obvious... any other way?
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How to know when UITableView did scroll to bottom in iPhone
...View did scroll to bottom in order to load and show more content, something like a delegate or something else to let the controller know when the table did scroll to bottom.
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How to make a copy of a file in android?
...app I want to save a copy of a certain file with a different name (which I get from user)
10 Answers
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How to run Rake tasks from within Rake tasks?
I have a Rakefile that compiles the project in two ways, according to the global variable $build_type , which can be :debug or :release (the results go in separate directories):
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how to reference a YAML “setting” from elsewhere in the same YAML file?
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I don't think it is possible. You can reuse "node" but not part of it.
bill-to: &id001
given : Chris
family : Dumars
ship-to: *id001
This is perfectly valid YAML and fields given and family are reused in ship-to block. You can reuse ...
psql: FATAL: role “postgres” does not exist
I'm a postgres novice.
18 Answers
18
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Select datatype of the field in postgres
How do I get datatype of specific field from table in postgres ?
For example
I have the following table,
student_details (
stu_id integer,
stu_name varchar(30 ),
joined_date timestamp
);
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