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Fastest way to tell if two files have the same contents in Unix/Linux?
...er two files contain the same data or not. I do this a for a lot of files, and in my script the diff command seems to be the performance bottleneck.
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Why does Java's hashCode() in String use 31 as a multiplier?
...to Joshua Bloch's Effective Java (a book that can't be recommended enough, and which I bought thanks to continual mentions on stackoverflow):
The value 31 was chosen because it is an odd prime. If it were even and the multiplication overflowed, information would be lost, as multiplication by 2 i...
Conversion of a datetime2 data type to a datetime data type results out-of-range value
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I changed my datacolumns and used typeof now... Further I found my problem. there was 1 datarow that contained a wrong date, which triggered the error
– Gerbrand
Aug 26 '09 at 5:46
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Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (
... telling you is that between when you grabbed the data out of the database and when you saved your changes someone else has changed the data (Which meant when you went to save it 0 rows actually got updated). In SQL terms, their update query's where clause contains the original value of every field ...
What do I need to do to get Internet Explorer 8 to accept a self signed certificate?
...Options.
Select Security➞Trusted sites➞Sites.
Confirm the URL matches, and click “Add” then “Close”.
Close the “Internet Options” dialog box with either “OK” or “Cancel”.
Refresh the current page.
When told “There is a problem with this website's security certificate.”, c...
What do people think of the fossil DVCS? [closed]
fossil http://www.fossil-scm.org
I found this recently and have started using it for my home projects. I want to hear what other people think of this VCS.
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How do you clone a Git repository into a specific folder?
Executing the command git clone git@github.com:whatever creates a directory in my current folder named whatever , and drops the contents of the Git repository into that folder:
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How to return a part of an array in Ruby?
...eturns the element at index, or returns a
subarray starting at start and continuing for length elements, or
returns a subarray specified by range. Negative indices count
backward from the end of the array (-1 is the last element).
Returns nil if the index (or starting index) ...
How to pass anonymous types as parameters?
... I checked this as correct answer, because of dynamic usage. I real came handy for me. Thanks :)
– Saeed Neamati
Jul 9 '11 at 5:10
1
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Format floats with standard json module
I am using the standard json module in python 2.6 to serialize a list of floats. However, I'm getting results like this:
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