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Is there a python equivalent of Ruby's 'rvm'?
...stall both at once with virtualenv burrito.
Update: the correct answer is now probably pyenv.
For scientific computing, the corresponding tool is anaconda.
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Splitting templated C++ classes into .hpp/.cpp files--is it possible?
...and lib files to hide the implementation, it is simply not possible.
To know why, let us look at the compilation process. The header files are never compiled. They are only preprocessed. The preprocessed code is then clubbed with the cpp file which is actually compiled. Now if the compiler has to ...
Linq Syntax - Selecting multiple columns
... you suggest how to properly write this expression: select new { (DateTime.Now - debt.ClaimDate), debt.Amount}; ? It throws an error: Invalid anonymous type member declarator
– Dainius Kreivys
Sep 19 '16 at 13:13
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recursively add file extension to all files
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I had to go somewhere and typed too fast... fixing now.
– nik
Jul 10 '09 at 9:56
for f in $(ls...
How do I set the value property in AngularJS' ng-options?
...n array"></select>
Update
With the updates on AngularJS, it is now possible to set the actual value for the value attribute of select element with track by expression.
<select ng-options="obj.text for obj in array track by obj.value">
</select>
How to remember this ugly st...
Why is __init__() always called after __new__()?
...it__ takes self as parameter. Until you create instance there is no self.
Now, I gather, that you're trying to implement singleton pattern in Python. There are a few ways to do that.
Also, as of Python 2.6, you can use class decorators.
def singleton(cls):
instances = {}
def getinstance(...
How do I enable EF migrations for multiple contexts to separate databases?
...
The original names ContextA seems to violate some naming conventions so I now use ContextAContext and ContextBContext. Using these names you could use the following commands:
(note that my dnx still works from the package manager console and I do not like to open a separate CMD window to do migrati...
Using sphinx with Markdown instead of RST
...ange indented blocks to mean literal (RST supports > ... for quotations nowdays), you'll get something usable that supports most markdown.
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How do I get the resource id of an image if I know its name?
How do I get the resource id of an image if I know its name (in Android)?
5 Answers
5
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Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...t.c root/assignment.c
Exit the VM's root FS:
cd ..
sudo umount mountpoint
Now the image is ready, we just need to run it. It will compile and run the submission after booting.
mkfifo /tmp/guest_output
Open a seperate terminal and start listening for guest output:
dd if=/tmp/guest_output bs=1
In an...