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How to call shell commands from Ruby

... answered Aug 5 '08 at 14:42 Steve WillardSteve Willard 15.4k44 gold badges2525 silver badges2626 bronze badges ...
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Any way to make a WPF textblock selectable?

... 15 Answers 15 Active ...
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How do I read CSV data into a record array in NumPy?

... | edited Mar 2 '12 at 15:05 Mike Graham 60.5k1212 gold badges8484 silver badges119119 bronze badges a...
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Redefining NULL

...ointers and a constant integer 0 to check for the magic value instead (§6.5.9/6) Arrange for all contexts in which a pointer type is evaluated as a boolean to check for equality to the magic value instead of checking for zero. This follows from the equality testing semantics, but the compiler may i...
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What is array to pointer decay?

...d that arrays "decay" into pointers. A C++ array declared as int numbers [5] cannot be re-pointed, i.e. you can't say numbers = 0x5a5aff23. More importantly the term decay signifies loss of type and dimension; numbers decay into int* by losing the dimension information (count 5) and the type is not...
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Get key by value in dictionary

... 576 There is none. dict is not intended to be used this way. dictionary = {'george': 16, 'amber':...
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Do you have to restart apache to make re-write rules in the .htaccess take effect?

...ss is a good check to make sure the file is being used -- you should get a 500 error on any page in the same directory. Lastly, you can enable a rewrite log using commands like the following in your httpd.conf: RewriteLog "logs/rewritelog" RewriteLogLevel 7 The log file thus generated will give yo...
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python list by value not by reference [duplicate]

... answered Jan 5 '12 at 14:30 phihagphihag 239k6060 gold badges406406 silver badges444444 bronze badges ...
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Why does 1==1==1 return true, “1”==“1”==“1” return true, and “a...

... 185 Because you are comparing the (boolean) result of the first equality with the (non-boolean) thir...
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Strip all non-numeric characters from string in JavaScript

... 1504 Use the string's .replace method with a regex of \D, which is a shorthand character class that...