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A regex to match a substring that isn't followed by a certain other substring
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162
Try:
/(?!.*bar)(?=.*foo)^(\w+)$/
Tests:
blahfooblah # pass
blahfooblahbarfail ...
Can table columns with a Foreign Key be NULL?
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251
Yes, you can enforce the constraint only when the value is not NULL. This can be easily tested w...
How to copy files from 'assets' folder to sdcard?
...am in, OutputStream out) throws IOException {
byte[] buffer = new byte[1024];
int read;
while((read = in.read(buffer)) != -1){
out.write(buffer, 0, read);
}
}
Reference : Move file using Java
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How to generate a random number between a and b in Ruby?
To generate a random number between 3 and 10, for example, I use: rand(8) + 3
8 Answers
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How do I split a multi-line string into multiple lines?
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edited Feb 26 at 11:52
Aryan Beezadhur
93755 silver badges2222 bronze badges
answered Oct 5 '08...
Convert number to month name in PHP
...ike so:
$monthNum = 3;
$monthName = date('F', mktime(0, 0, 0, $monthNum, 10)); // March
If you want the 3-letter month name like Mar, change F to M. The list of all available formatting options can be found in the PHP manual documentation.
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Find text string using jQuery?
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edited Oct 17 '19 at 4:38
user202729
1,42433 gold badges1010 silver badges2323 bronze badges
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On localhost, how do I pick a free port number?
...igure out which port is available? I assume I cannot listen on port 80 or 21?
5 Answers
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