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Curly braces in string in PHP
...echo "This is ${great}";
// Works
echo "This square is {$square->width}00 centimeters broad.";
// Works, quoted keys only work using the curly brace syntax
echo "This works: {$arr['key']}";
// Works
echo "This works: {$arr[4][3]}";
// This is wrong for the same reason as $foo[bar] is wrong...
How to change column datatype from character to numeric in PostgreSQL 8.4
...nding on your data):
alter table presales alter column code type numeric(10,0) using code::numeric;
-- Or if you prefer standard casting...
alter table presales alter column code type numeric(10,0) using cast(code as numeric);
This will fail if you have anything in code that cannot be cast to num...
express throws error as `body-parser deprecated undefined extended`
...
app.use(bodyParser.urlencoded({ extended: true }));
Since express 4.16.0, you can also do:
app.use(express.urlencoded({ extended: true }))
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Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...
170
pandas.isnull() (also pd.isna(), in newer versions) checks for missing values in both numeric an...
How to check a string for specific characters?
...(s):
print('Found')
else
print('Not found')
... or
chars = set('0123456789$,')
if any((c in chars) for c in s):
print('Found')
else:
print('Not Found')
[Edit: added the '$' in s answers]
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Concatenating string and integer in python
...
answered Jul 19 '12 at 10:43
user647772user647772
...
Change Default Scrolling Behavior of UITableView Section Header
...dScroll:(UIScrollView *)scrollView {
CGFloat sectionHeaderHeight = 40;
if (scrollView.contentOffset.y<=sectionHeaderHeight&&scrollView.contentOffset.y>=0) {
scrollView.contentInset = UIEdgeInsetsMake(-scrollView.contentOffset.y, 0, 0, 0);
} else if (scrollView.conte...
How to output loop.counter in python jinja template?
...
390
The counter variable inside the loop is called loop.index in jinja2.
>>> from jinja2 i...
Convert dmesg timestamp to custom date format
...
answered Dec 15 '12 at 9:01
user180100user180100
...
How to refer environment variable in POM.xml?
...
rogerdpack
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answered May 5 '12 at 15:11
Andrew WhiteAndre...