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How to change column datatype from character to numeric in PostgreSQL 8.4
...ending on your data):
alter table presales alter column code type numeric(10,0) using code::numeric;
-- Or if you prefer standard casting...
alter table presales alter column code type numeric(10,0) using cast(code as numeric);
This will fail if you have anything in code that cannot be cast to nu...
Postgresql SELECT if string contains
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137
You should use 'tag_name' outside of quotes; then its interpreted as a field of the record. Co...
Force page scroll position to top at page refresh in HTML
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12 Answers
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How do you calculate the average of a set of circular data? [closed]
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31 Answers
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Pull to refresh UITableView without UITableViewController
...action: #selector(refresh(_:)), for: .valueChanged)
if #available(iOS 10.0, *) {
tableView.refreshControl = refreshControl
} else {
tableView.backgroundView = refreshControl
}
}
@objc func refresh(_ refreshControl: UIRefreshControl) {
// Do your job, when done:
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How to differentiate between time to live and time to idle in ehcache
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156
timeToIdleSeconds enables cached object to be kept in as long as it is requested in periods sh...
ValueError: numpy.dtype has the wrong size, try recompiling
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How to match all occurrences of a regex
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edited May 18 '12 at 6:23
Andrew Marshall
87.3k1818 gold badges202202 silver badges204204 bronze badges
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How to see which flags -march=native will activate?
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152
You can use the -Q --help=target options:
gcc -march=native -Q --help=target ...
The -v opt...