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What is a None value?
...ould never say
Assigning a value of None to a variable is one way to reset it to
its original, empty state.
it's hard to explain what Briggs means in a way which makes sense and explains why no one here seems happy with it. One analogy which may help:
In Python, variable names are like sti...
What does “abstract over” mean?
...calisp It would be interesting if you made one of the two final examples a Set or some other foldable type. An example with a String and concatenation would also be pretty cool.
– Daniel C. Sobral
Jan 22 '11 at 22:48
...
How do lexical closures work?
...example.
In order to evaluate i and use its value, a common pattern is to set it as a parameter default: parameter defaults are evaluated when the def statement is executed, and thus the value of the loop variable is frozen.
The following works as expected:
flist = []
for i in xrange(3):
def...
What is the significance of ProjectTypeGuids tag in the visual studio project file
... {3EA9E505-35AC-4774-B492-AD1749C4943A}
Deployment Setup {978C614F-708E-4E1A-B201-565925725DBA}
Deployment Smart Device Cab {AB322303-2255-48EF-A496-5904EB18DA55}
Visual Studio Tools for Apps (VSTA) {A860303F-1F3F-4691-B57E-529FC101A1...
Best way to strip punctuation from a string
... own C code.
If speed isn't a worry, another option though is:
exclude = set(string.punctuation)
s = ''.join(ch for ch in s if ch not in exclude)
This is faster than s.replace with each char, but won't perform as well as non-pure python approaches such as regexes or string.translate, as you can ...
How to ssh to vagrant without actually running “vagrant ssh”?
...
You could set the port on your own. Thus the script will be executable from any directory.
– Yser
Dec 15 '14 at 12:54
...
F# development and unit testing?
... think that the safety net of an automated test suite is too valuable an asset to let go, however alluring that interactive console may be, so I plan to continue writing unit tests as I've always done.
One of the main strengths of .NET is the cross-language capabilities. I know I'm going to be writ...
Linq: adding conditions to the where clause conditionally
... layer:
public class SearchParameters() {
public int? Age {get; set;}
public string Division {get;set;}
etc
}
Then, in my data layer, something like this:
public IQueryable<User> SearchUsers(SearchParameters params)
{
var query = Context.Users;
if (para...
moving committed (but not pushed) changes to a new branch after pull
...your new branch based on the result:
git branch new-work
... and then reset your master back to origin/master:
# Use with care - make sure "git status" is clean and you're still on master:
git reset --hard origin/master
When doing this kind of manipulating branches with git branch, git reset, ...
How to determine if a process runs inside lxc/Docker?
Is there any way to determine if a process (script) runs inside an lxc container (~ Docker runtime)? I know that some programs are able to detect whether they run inside a virtual machine, is something similar available for lxc/docker?
...