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How to remove leading and trailing zeros in a string? Python
... is also a general solution that strips both leading and trailing elements from an iterable:
Code
import more_itertools as mit
iterables = ["231512-n\n"," 12091231000-n00000","alphanum0000", "00alphanum"]
pred = lambda x: x in {"0", "\n", " "}
list("".join(mit.strip(i, pred)) for i in iterables...
Efficiently test if a port is open on Linux?
From a bash script how can I quickly find out whether a port 445 is open/listening on a server.
14 Answers
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What are all the escape characters?
...cessed before the compiler is run." -- Mark Peters. So they are different from the standard String escapes listed here. Thanks Jan for the comment to this answer
– Josiah Yoder
Sep 23 '15 at 20:34
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How to use git bisect?
...ially since I've managed to find a good commit and I'm on that branch now. From this position this explanation is no help at all. How do I specify the bad branch without checking it out, for example
– PandaWood
Dec 2 '13 at 1:19
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What are bitwise operators?
...hen dealing with different sizes of data. For example, reading an integer from four bytes:
int val = (A << 24) | (B << 16) | (C << 8) | D;
Assuming that A is the most-significant byte and D the least. It would end up as:
A = 01000000
B = 00000101
C = 00101011
D = 11100011
val...
iOS 7 style Blur view
... the complete replication of the blur size in iOS 7's control center view. From that, I created the GPUImageiOS7BlurFilter class that encapsulates the proper blur size and color correction that Apple appears to be using here. This is how GPUImage's blur (on the right) compares to the built-in blur (...
Getting name of the class from an instance
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NSStringFromClass([instance class]) should do the trick.
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Remove empty strings from a list of strings
I want to remove all empty strings from a list of strings in python.
12 Answers
12
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How can I get the current language in Django?
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I voted this up (from -1 for some reason). Note the following (from docs.djangoproject.com/en/dev/topics/i18n/deployment/… "with static (middleware-less) translation, the language is in settings.LANGUAGE_CODE, while with dynamic (middleware...
How to resolve “must be an instance of string, string given” prior to PHP 7?
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From PHP's manual :
Type Hints can only be of the object and array (since PHP 5.1) type. Traditional type hinting with int and string isn't supported.
So you have it. The error message is not really helpful, I give you ...