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How do I create a list of random numbers without duplicates?
I tried using random.randint(0, 100) , but some numbers were the same. Is there a method/module to create a list unique random numbers?
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CSS background opacity with rgba not working in IE 8
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Daniel Mendel
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answered Oct 20 '10 at 7:44
MatTheCatMatTheCat
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C++ equivalent of java's instanceof
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202
Try using:
if(NewType* v = dynamic_cast<NewType*>(old)) {
// old was safely casted to...
How do you get the width and height of a multi-dimensional array?
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answered Nov 23 '10 at 19:52
Reed CopseyReed Copsey
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Appropriate datatype for holding percent values?
What is the best datatype for holding percent values ranging from 0.00% to 100.00%?
5 Answers
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Does opacity:0 have exactly the same effect as visibility:hidden
... in the taborder
collapse events taborder
opacity: 0 No Yes Yes
visibility: hidden No No No
visibility: collapse Yes* No No
display: none Yes No No
* Yes inside a table element, otherwise No.
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Getting the first character of a string with $str[0]
I want to get the first letter of a string and I've noticed that $str[0] works great. I am just not sure whether this is 'good practice', as that notation is generally used with arrays. This feature doesn't seem to be very well documented so I'm turning to you guys to tell me if it's all right –...
Comparing numbers in Bash
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answered Sep 7 '13 at 0:48
jordanmjordanm
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Using .NET, how can you find the mime type of a file based on the file signature not the extension
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answered Sep 12 '08 at 9:44
Steve MorganSteve Morgan
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How to run cron once, daily at 10pm
...2 I guess. Try the following to run it every first minute of the hour 22:
0 22 * * * ....
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