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How to remove items from a list while iterating?
...ically, it should perform the same with regards to space and time than the one-liners above.
temp = []
while somelist:
x = somelist.pop()
if not determine(x):
temp.append(x)
while temp:
somelist.append(templist.pop())
It also works in other languages that may not have the repl...
join list of lists in python [duplicate]
...
If you're only going one level deep, a nested comprehension will also work:
>>> x = [["a","b"], ["c"]]
>>> [inner
... for outer in x
... for inner in outer]
['a', 'b', 'c']
On one line, that becomes:
>>>...
Scala list concatenation, ::: vs ++
...n iterators. List, however, got to keep its original operators, aside from one or two which got deprecated.
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Which .NET Dependency Injection frameworks are worth looking into? [closed]
...Injection (DI) library for .NET 4+ that supports Silverlight 4+, Windows Phone 8, Windows 8 including Universal apps and Mono.
Microsoft.Extensions.DependencyInjection - The default IoC container for ASP.NET Core applications.
Scrutor - Assembly scanning extensions for Microsoft.Extensions.Dependenc...
What do “branch”, “tag” and “trunk” mean in Subversion repositories?
...tags, once created, are immutable (at least to "ordinary" users). This is done via the hook scripts, which enforce the immutability by preventing further changes if tag is a parent node of the changed object.
Subversion also has added features, since version 1.5, relating to "branch merge tracking"...
How do I specify a password to 'psql' non-interactively?
I am trying to automate database creation process with a shell script and one thing I've hit a road block with passing a password to psql .
Here is a bit of code from the shell script:
...
How to change plot background color?
...e the set_facecolor(color) method of the axes object, which you've created one of the following ways:
You created a figure and axis/es together
fig, ax = plt.subplots(nrows=1, ncols=1)
You created a figure, then axis/es later
fig = plt.figure()
ax = fig.add_subplot(1, 1, 1) # nrows, ncols, inde...
Allow user to select camera or gallery for image
...r both original intents and create the final list of possible Intents with one new Intent for each retrieved activity like this:
List<Intent> yourIntentsList = new ArrayList<Intent>();
List<ResolveInfo> listCam = packageManager.queryIntentActivities(camIntent, 0);
for (ResolveInf...
How to print the full NumPy array, without truncation?
...
The previous answers are the correct ones, but as a weaker alternative you can transform into a list:
>>> numpy.arange(100).reshape(25,4).tolist()
[[0, 1, 2, 3], [4, 5, 6, 7], [8, 9, 10, 11], [12, 13, 14, 15], [16, 17, 18, 19], [20, 21,
22, 23], [24, ...
Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
...er suggests there’s no way to run multiple versions of Google Chrome on one machine.
11 Answers
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