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How to check that a string is a palindrome using regular expressions?
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edited Oct 30 '08 at 12:58
answered Oct 29 '08 at 18:41
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How to zero pad a sequence of integers in bash so that all have the same width?
...mat the numbers as it outputs the list. For example:
for i in $(seq -f "%05g" 10 15)
do
echo $i
done
will produce the following output:
00010
00011
00012
00013
00014
00015
More generally, bash has printf as a built-in so you can pad output with zeroes as follows:
$ i=99
$ printf "%05d\n" $...
How can I start an interactive console for Perl?
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301
You can use the perl debugger on a trivial program, like so:
perl -de1
Alternatively there's...
How to create hyperlink to call phone number on mobile devices?
... your example number, when calling from China, people would need to dial:
00-1-555-555-1212
And from Russia, they would dial
810-1-555-555-1212
The + sign solves this issue by allowing you to omit the international dialing prefix.
After the international dialing prefix comes the country code(...
Iterating over all the keys of a map
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https://play.golang.org/p/JGZ7mN0-U-
for k, v := range m {
fmt.Printf("key[%s] value[%s]\n", k, v)
}
or
for k := range m {
fmt.Printf("key[%s] value[%s]\n", k, m[k])
}
Go language specs for for statements specifies that the first value is the...
Unix - copy contents of one directory to another [closed]
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120
Try this:
cp Folder1/* Folder2/
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Get data from JSON file with PHP [duplicate]
... the elements you want, like so:
$temperatureMin = $json['daily']['data'][0]['temperatureMin'];
$temperatureMax = $json['daily']['data'][0]['temperatureMax'];
Or loop through the array however you wish:
foreach ($json['daily']['data'] as $field => $value) {
// Use $field and $value here
}...
SQL中使用update inner join和delete inner join；Oracle delete join替代...
....parentid = mw2.wid
SET mw1.level = mw2.level
WHERE mw2.baseid = 107
AND mw2.parentid = 0
AND mw2.size > 1;
on是表连接的筛选条件
就是说，表连接后，会产生一个类似于临时的视图这么一个东西
where是从这个临时的视图中筛选数据...
Cordova: start specific iOS emulator image
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10 Answers
10
Active
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Include headers when using SELECT INTO OUTFILE?
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answered May 9 '11 at 20:05
Joe StefanelliJoe Stefanelli
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