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What is unit testing and how do you do it? [duplicate]
...tempt to run an exhaustive examination of your program's capabilities. So then you know it works and therefore write fewer bugs as well as fixing bugs with greater speed.
– robertpostill
Mar 16 '09 at 23:06
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Get specific line from text file using just shell script
...iable which holds your required line number, if you can use head and tail, then it is quite simple:
head -n $line file | tail -1
If not, this should work:
x=0
want=5
cat lines | while read line; do
x=$(( x+1 ))
if [ $x -eq "$want" ]; then
echo $line
break
fi
done
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Troubleshooting “Illegal mix of collations” error in mysql
...if we want to say that the lowercase and uppercase letters are equivalent? Then we would have at least two rules: (1) treat the lowercase letters “a” and “b” as equivalent to “A” and “B”; (2) then compare the encodings. We call this a case-insensitive collation. It is a little more c...
Weighted random numbers
...ms long (basically, you have to profile to know if this helps or hinders), then there is an optimisation:
By storing the cumulative weight sum in each item you can use a binary search to pick the item corresponding to the pick weight.
If you do not know the number of items in the list, then ther...
Nested Git repositories?
...rary and only changes you are making to it is upgrading to a newer version then you should definitely separate it from the main project.
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Case insensitive access for generic dictionary
...tionary<string, int>(oldDictionary, comparer);
This new dictionary then uses the GetHashCode() implementation on StringComparer.OrdinalIgnoreCase so comparer.GetHashCode("foo") and comparer.GetHashcode("FOO") give you the same value.
Alternately, if there are only a few elements in the dict...
How can I check whether Google Maps is fully loaded?
...te - everything loaded (or failed to load). I found it to be more reliable then tilesloaded/bounds_changed and using addListenerOnce method the code in the closure is executed the first time "idle" is fired and then the event is detached.
See also the events section in the Google Maps Reference.
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Password reset for Azure database
...u can do this from the new portal. Select the Database choice on the left, then select Servers:
Then, after selecting the server of choice, you'll see the option on the right for resetting admin password:
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Difference in months between two dates
...date2).Days / (365.25 / 12)
Note, if you were to use the latter solution then your unit tests should state the widest date range which your application is designed to work with and validate the results of the calculation accordingly.
Update (with thanks to Gary)
If using the 'average months' m...
What exactly is Apache Camel?
...hould be added to the Apache Camel homepage as it answers the question and then some. Exactly as to his use of analogy with the MVC being handwritten or by use of a 'tool' to assist in doing this answer has given me an understanding without having to trawl through endless other (useful) links when ...