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Change type of varchar field to integer: “cannot be cast automatically to type integer”
...ting integer or assign a varchar field to an integer one), so you must specify an explicit cast using ALTER TABLE ... ALTER COLUMN ... TYPE ... USING:
ALTER TABLE the_table ALTER COLUMN col_name TYPE integer USING (col_name::integer);
Note that you may have whitespace in your text fields; in that...
Changing Font Size For UITableView Section Headers
...:(UITableView *)tableView 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)s...
What is an alternative to execfile in Python 3?
...e wrong order. It's actually: exec(object[, globals[, locals]]). Of course if you had the arguments flipped in the original, then 2to3 will produce exactly what you said. :)
– Nathan Shively-Sanders
May 21 '09 at 20:27
...
onSaveInstanceState () and onRestoreInstanceState ()
...restore the values in onCreate():
public void onCreate(Bundle icicle) {
if (icicle != null){
value = icicle.getLong("param");
}
}
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foll...
Return Boolean Value on SQL Select Statement
...
What you have there will return no row at all if the user doesn't exist. Here's what you need:
SELECT CASE WHEN EXISTS (
SELECT *
FROM [User]
WHERE UserID = 20070022
)
THEN CAST(1 AS BIT)
ELSE CAST(0 AS BIT) END
...
indexOf method in an object array?
...
It's not supported by IE8 but, if that's not a problem, this is the best solution.
– Antonio Laguna
Nov 22 '13 at 11:56
64
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How to pip install a package with min and max version range?
I'm wondering if there's any way to tell pip, specifically in a requirements file, to install a package with both a minimum version ( pip install package>=0.2 ) and a maximum version which should never be installed (theoretical api: pip install package<0.3 ).
...
How do you list the active minor modes in emacs?
... (mapc (lambda (mode) (condition-case nil
(if (and (symbolp mode) (symbol-value mode))
(add-to-list 'active-modes mode))
(error nil) ))
minor-mode-list)
(message "Active modes are %s" active-mod...
Case insensitive comparison of strings in shell script
...
if you have bash
str1="MATCH"
str2="match"
shopt -s nocasematch
case "$str1" in
$str2 ) echo "match";;
*) echo "no match";;
esac
otherwise, you should tell us what shell you are using.
alternative, using awk
str1="MATC...
Count how many files in directory PHP
...eople are saying this is confusing for some developers, should we add that if one is using namespaces (since this method requires a recent version of PHP in any case), then one must also specify the namespace: $fi = new \FilesystemIterator(DIR, \FilesystemIterator::SKIP_DOTS);
–...