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How to check for a valid URL in Java?

...nswered Dec 19 '12 at 18:26 user123444555621user123444555621 123k2323 gold badges101101 silver badges120120 bronze badges ...
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Cannot add or update a child row: a foreign key constraint fails

... 123 It means that you're trying to insert into table2 a UserID value that doesn't exist in table1....
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How do I fix “Failed to sync vcpu reg” error?

...BI=x86, and I was running on a macbook pro. – guyland123 Nov 20 '15 at 13:45 3 this is really a p...
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How to test which port MySQL is running on and whether it can be connected to?

... 0.0.0.0:* LISTEN 1859/master tcp 0 0 123.189.192.64:7654 0.0.0.0:* LISTEN 2463/monit tcp 0 0 127.0.0.1:24135 0.0.0.0:* LISTEN 21450/memcached tcp 0 0 127.0.0.1:3306 0.0.0.0:* ...
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Generate a random letter in Python

...to get the whole range of characters 97 - 122, the argument passed must be 123. – Kieran Moynihan Apr 4 '19 at 17:52 @...
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Validating parameters to a Bash script

... as a commentar). i did "$#" to fix it. second, the regex also matches "foo123bar". i fixed it by doing ^[0-9]+$. you may also fix it by using grep's -x option – Johannes Schaub - litb Mar 31 '09 at 1:21 ...
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How to run a hello.js file in Node.js on windows?

... edited Oct 29 '13 at 11:28 Oz123 21.4k2222 gold badges9494 silver badges163163 bronze badges answered Oct 29 '13 at 11:05 ...
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How do I pass multiple attributes into an Angular.js attribute directive?

...ibute and read it into the directive like this: <div my-directive="{id:123,name:'teo',salary:1000,color:red}"></div> app.directive('myDirective', function () { return { link: function (scope, element, attrs) { //convert the attributes to object and ge...
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Convert from ASCII string encoded in Hex to plain ASCII?

...t;>> 'abcd'[0::2] # alternates 'ac' >>> zip('abc', '123') # pair up [('a', '1'), ('b', '2'), ('c', '3')] >>> chr(32) # ascii to character ' ' will look at binascii now... >>> print binascii.unhexlify('7061756c') paul cool (and i h...
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Replace spaces with dashes and make all letters lower-case

...re at the beginning, they won't be replaced – Bonjour123 Aug 1 '19 at 21:13 add a comment  |  ...