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Why are there two ways to unstage a file in Git?
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This thread is a bit old, but I still want to add a little demonstration since it is still not an intuitive problem:
me$ git status
# On branch master
# Changes to be committed:
# (use "git reset HEAD <file>..." to unstage)
#
# new...
Returning multiple values from a C++ function
...ply to return parameters as well.
Here's another code example, this one a bit less trivial:
pair<double,double> calculateResultingVelocity(double windSpeed, double windAzimuth,
double planeAirspeed, double planeCourse);
pair<double,double>...
How can I clear the SQL Server query cache?
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While the question is just a bit old, this might still help. I'm running into similar issues and using the option below has helped me. Not sure if this is a permanent solution, but it's fixing it for now.
OPTION (OPTIMIZE FOR UNKNOWN)
Then your query ...
What's the difference between “git reset” and “git checkout”?
...t would be redundant. What is the actual difference between the two? I'm a bit confused, as the svn only has svn co to revert the commit.
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How to convert a data frame column to numeric type?
...es of variables to convert (or just more then one), you can use sapply.
A bit nonsensical but just for example:
data(cars)
cars[, 1:2] <- sapply(cars[, 1:2], as.factor)
Say columns 3, 6-15 and 37 of you dataframe need to be converted to numeric one could:
dat[, c(3,6:15,37)] <- sapply(dat...
One line ftp server in python
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I didn't down-vote because it's a nice answer, ever if a bit O, and people from the future will find it useful when they search for similar problems.
– Andrea Spadaccini
Feb 14 '11 at 17:52
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Simple basic explanation of a Distributed Hash Table (DHT)
...aintenance.
Read the wikipedia page, and if you really want to know in a bit of depth, check out this coursepage at Harvard which has a pretty comprehensive reading list.
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w3wp process not found
I use Visual Studio 2010 to debug a asp.net MVC project in my local machine. The steps are:
16 Answers
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Linq to Entities join vs groupjoin
...ttened by SelectMany.
2. Preserving order
Suppose the list of parents is a bit longer. Some UI produces a list of selected parents as Id values in a fixed order. Let's use:
var ids = new[] { 3,7,2,4 };
Now the selected parents must be filtered from the parents list in this exact order.
If we do ......
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
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