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C++ Object Instantiation
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edited Jun 21 '15 at 16:16
emlai
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SQL update trigger only when column is modified
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128
You have two way for your question :
1- Use Update Command in your Trigger.
ALTER TRIGGER [db...
Is there an MD5 Fixed Point where md5(x) == x?
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Since an MD5 sum is 128 bits long, any fixed point would necessarily also have to be 128 bits long. Assuming that the MD5 sum of any string is uniformly distributed over all possible sums, then the probability that any given 128-bit string is a ...
select2 - hiding the search box
For my more significant selects, the search box in Select2 is wonderful. However, in one instance, I have a simple selection of 4 hard-coded choices. In this case, the search box is superfluous and looks a little silly being present. Is it possible to hide it somehow? I took a look through the docum...
WAMP shows error 'MSVCR100.dll' is missing when install
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23 Answers
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How to get datetime in JavaScript?
How to get date time in JavaScript with format 31/12/2010 03:55 AM?
7 Answers
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Convert array to JSON
I have an Array var cars = [2,3,..] which holds a few integers.
I've added a few values to the array, but I now need to send this array to a page via jQuery's .get method. How can I convert it to a JSON object for sending?
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What is a patch in git version control?
...ges you want to communicate and apply to another repo)
(picture from the 2008 blog post "Bioruby with git: how would that work?", published by Jan AERTS)
See also Contributing to Rails with Git as another concrete example.
Nowadays, the GitHub pull request makes it really easy to apply patches o...
Is storing a delimited list in a database column really that bad?
...Can’t ensure that each value is the right data type: no way to prevent 1,2,3,banana,5
Can’t use foreign key constraints to link values to a lookup table; no way to enforce referential integrity.
Can’t enforce uniqueness: no way to prevent 1,2,3,3,3,5
Can’t delete a value from the list withou...