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How do I change my Ruby version using RVM?
...at's great, i just put this line in ~/.bashrc, it works. but i also don't know why.
– Jack Ma
Mar 21 '12 at 6:28
Yeah ...
How can I start PostgreSQL server on Mac OS X?
...al/var/postgres stop
Start automatically
"To have launchd start postgresql now and restart at login:"
brew services start postgresql
What is the result of pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start?
What is the result of pg_ctl -D /usr/local/var/postgres status?
A...
Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine
... mode (This is the answer I found when I did an extensive search for this known issue) and that causes other part of my code to break.
Fortunately, now Microsoft has released a 64 bit compatible 2010 Office System Driver which can be used as replacement for the traditional Microsoft.Jet.OLEDB.4.0 d...
Can a project have multiple origins?
...rebase/push on there behalf by using there fork and are able to merge code now, not tomorrow).
– Benoit Drapeau
Oct 20 '17 at 3:04
...
Git rebase --continue complains even when all merge conflicts have been resolved
...thing in your new patch, keeping only code from the branch you rebased on. Now when you add the file, it will be exactly like the one you tried to rebase on. git status will show no green line displaying the modified files. Now, if you do
git rebase --continue
git will complain with
No chang...
Utilizing the GPU with c# [closed]
...d run on OpenCL as well as Cuda it would be perfect.
EDIT SEP 2013
Cudafy now allows you to compile for both CUDA and OpenCL, so will run the same C# code on on all GPUs. This sounds fantastic, though I haven't tested the OpenCL compiling yet.
...
Appending to an object
...
This answer expects you to know the id of the alert to be added. Well, if you already know that, then you can simply follow the original object format and do: alerts[3] = { app: 'hello3', message: 'message 3' }. With this you can access a message by id:...
Xcode iOS 8 Keyboard types not supported
I have a UITextField Ctrl-dragged as an @Outlet in my .swift class.
Now in viewDidLoad i'm using this code
10 Answe...
How does lock work exactly?
...finally
{
Monitor.Exit(temp);
}
In C# 4.0 this has changed and it is now generated as follows:
bool lockWasTaken = false;
var temp = obj;
try
{
Monitor.Enter(temp, ref lockWasTaken);
// body
}
finally
{
if (lockWasTaken)
{
Monitor.Exit(temp);
}
}
You can find mo...
What is pseudopolynomial time? How does it differ from polynomial time?
...then it will take some worst-case amount of time, say T, to complete. If I now add a single bit to the end of the number, like this:
100010101010111
The runtime will now (in the worst case) be 2T. I can double the amount of work the algorithm does just by adding one more bit!
An algorithm run...