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How to check if a number is a power of 2
...nswered Aug 25 '10 at 19:53
deft_codedeft_code
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Allowed characters in filename [closed]
...X "Fully portable filenames" entry, which lists these: A–Z a–z 0–9 . _ -
– Vladimir Kornea
Jul 2 '14 at 22:31
1
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How to delete migration files in Rails 3
...rt DB changes due to this migration)
Run "rails destroy migration migration_name" (migration_name is the one use chose while creating migration. Remove "timestamp_" from your migration file name to get it)
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How do you default a new class to public when creating it in Visual Studio?
...answered Mar 31 '09 at 5:24
marc_smarc_s
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Compiling Java 7 code via Maven
...t's building the command. Perhaps you or someone else has hard-coded a JAVA_HOME in there and forgotten about it.
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How do you use variables in a simple PostgreSQL script?
...e (http://www.postgresql.org/docs/9.1/static/sql-do.html )
DO $$
DECLARE v_List TEXT;
BEGIN
v_List := 'foobar' ;
SELECT *
FROM dbo.PubLists
WHERE Name = v_List;
-- ...
END $$;
Also you can get the last insert id:
DO $$
DECLARE lastid bigint;
BEGIN
INSERT INTO test (name) VALUES ('...
How do I remove code duplication between similar const and non-const member functions?
...& get() const {
return c;
}
char & get() {
return const_cast<char &>(static_cast<const C &>(*this).get());
}
char c;
};
The two casts and function call may be ugly but it's correct. Meyers has a thorough explanation why.
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How to use a class from one C# project with another C# project
...de import functionA
functionA()
class ClassName(object):
def __init__(object, parameter):
object.parameter = value
The library file or "façade" file containing classes, methods or functions you want to import.
class class1(object):
"""description of class"""
class Cla...
How can I count occurrences with groupBy?
...answered Jun 5 '17 at 21:37
user_3380739user_3380739
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Changing Font Size For UITableView Section Headers
...View viewForHeaderInSection:(NSInteger)section
In Swift:
func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView?
Try something like this:
In Objective-C:
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
UILabel...