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How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
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+100
I'll consider the problem of many<->one/many casemappings first and separately from handling different Normalization forms.
F...
How to check that a string is an int, but not a double, etc.?
...sing ctype_digit?
From the manual:
<?php
$strings = array('1820.20', '10002', 'wsl!12');
foreach ($strings as $testcase) {
if (ctype_digit($testcase)) {
echo "The string $testcase consists of all digits.\n";
} else {
echo "The string $testcase does not consist of all dig...
initialize a numpy array
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answered Dec 26 '10 at 20:56
KatrielKatriel
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Why doesn't indexOf work on an array IE8?
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edited Sep 10 '16 at 3:40
Gras Double
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`if __name__ == '__main__'` equivalent in Ruby
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answered Feb 12 '10 at 2:36
MatchuMatchu
74.4k1414 gold badges145145 silver badges157157 bronze badges
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Check if an element is a child of a parent
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answered Sep 20 '10 at 17:04
user113716user113716
291k5959 gold badges425425 silver badges431431 bronze badges
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How to properly create composite primary keys - MYSQL
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Suppose you have already created a table now you can use this query to make composite primary key
alter table employee add primary key(emp_id,emp_name);
share
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Cancellation token in Task constructor: why?
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answered Sep 14 '10 at 21:38
Max GalkinMax Galkin
16k99 gold badges6161 silver badges108108 bronze badges
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How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly
... [2, 0, np.nan, 0, 9],
'num_specimen_seen': [10, np.nan, 1, 8, np.nan]})
# Helper : Gets NaNs for some row
def row_nan_sums(df):
sums = []
for row in df.values:
sum = 0
for el in row:
if el != el: # np.nan is never equal to itsel...
How to calculate time in hours between two dates in iOS
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answered Nov 3 '10 at 4:59
AkuseteAkusete
10k66 gold badges5353 silver badges7272 bronze badges
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