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Sprintf equivalent in Java
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How can I multiply and divide using only bit shifting and adding?
...ide by 3 ?
– Paul R
May 5 '10 at 21:04
@Paul R - true, that's harder. I've clarified my answer.
–...
Preventing Laravel adding multiple records to a pivot table
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How to implement the factory method pattern in C++ correctly
...
You can read a very good solution in: http://www.codeproject.com/Articles/363338/Factory-Pattern-in-Cplusplus
The best solution is on the "comments and discussions", see the "No need for static Create methods".
From this idea, I've done a factory. Note that I'm using ...
How can I validate a string to only allow alphanumeric characters in it?
...y.
– Ognyan Dimitrov
Jul 3 '14 at 8:04
15
I detest regular expressions. I know that I will never ...
When do Java generics require
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First - I have to direct you to http://www.angelikalanger.com/GenericsFAQ/JavaGenericsFAQ.html -- she does an amazing job.
The basic idea is that you use
<T extends SomeClass>
when the actual parameter can be SomeClass or any subtype of it.
In your exam...
Running shell command and capturing the output
...output(['ls', '-l'])
b'total 0\n-rw-r--r-- 1 memyself staff 0 Mar 14 11:04 files\n'
check_output runs a single program that takes only arguments as input.1 It returns the result exactly as printed to stdout. If you need to write input to stdin, skip ahead to the run or Popen sections. If you wa...
How does facebook, gmail send the real time notification?
...pushes the message to clients.
Comparision between MQTT and HTTP: http://www.youtube.com/watch?v=-KNPXPmx88E
Note: my answers best fits for mobile devices.
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How to display unique records from a has_many through relationship?
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How to clear basic authentication details in chrome
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