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Undoing a 'git push'

...t_known_good_commit:branch_name or in your case git push -f origin cc4b63bebb6:alpha-0.3.0 You may have receive.denyNonFastForwards set on the remote repository. If this is the case, then you will get an error which includes the phrase [remote rejected]. In this scenario, you will have to dele...
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How does the Brainfuck Hello World actually work?

...ctual cell. Take a look at ASCII table. For example, decimal code of ! is 33, while a is 97. Well, lets imagine your BF program memory looks like: ...[0][0][*0*][0][0]... Assuming standard input stands for a, if you use comma , operator, what BF does is read a decimal ASCII code 97 to memory: ...
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Simple C example of doing an HTTP POST and consuming the response

...received, total; char message[1024],response[4096]; if (argc < 3) { puts("Parameters: <apikey> <command>"); exit(0); } /* fill in the parameters */ sprintf(message,message_fmt,argv[1],argv[2]); printf("Request:\n%s\n",message); /* create the socket */ so...
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How to unzip a list of tuples into individual lists? [duplicate]

... Use zip(*list): >>> l = [(1,2), (3,4), (8,9)] >>> list(zip(*l)) [(1, 3, 8), (2, 4, 9)] The zip() function pairs up the elements from all inputs, starting with the first values, then the second, etc. By using *l you apply all tuples in l as separat...
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What is the _snowman param in Ruby on Rails 3 forms for?

In Ruby on Rails 3 (currently using Beta 4), I see that when using the form_tag or form_for helpers there is a hidden field named _snowman with the value of ☃ ( Unicode \x9731) showing up. ...
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How do you add an array to another array in Ruby and not end up with a multi-dimensional result?

... | edited Jul 23 '14 at 19:10 answered Nov 26 '09 at 5:09 ...
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Convert a matrix to a 1 dimensional array

I have a matrix (32X48). 10 Answers 10 ...
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Use of .apply() with 'new' operator. Is this possible?

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How do you use bcrypt for hashing passwords in PHP?

... 1073 bcrypt is a hashing algorithm which is scalable with hardware (via a configurable number of roun...
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Java JUnit: The method X is ambiguous for type Y

... 3 Answers 3 Active ...