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What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
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Sleeping is useful to me for testing purposes. I can simulate some network delays to make sure that my app responds properly. Currently I'm testing against a local web server, so everything is essentially instantaneous.
– brantonb
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Regular expression to return text between parenthesis
...gt;> import re
>>> s = u'abcde(date=\'2/xc2/xb2\',time=\'/case/test.png\')'
>>> re.search(r'\((.*?)\)',s).group(1)
u"date='2/xc2/xb2',time='/case/test.png'"
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How can I remove a trailing newline?
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Try the method rstrip() (see doc Python 2 and Python 3)
>>> 'test string\n'.rstrip()
'test string'
Python's rstrip() method strips all kinds of trailing whitespace by default, not just one newline as Perl does with chomp.
>>> 'test string \n \r\n\n\r \n\n'.rstrip()
'test st...
How to remove elements from a generic list while iterating over it?
...e(i));
Alternately, you can use the RemoveAll method with a predicate to test against:
safePendingList.RemoveAll(item => item.Value == someValue);
Here's a simplified example to demonstrate:
var list = new List<int>(Enumerable.Range(1, 10));
Console.WriteLine("Before:");
list.ForEach(...
When should Flask.g be used?
...t knows not to pop the AppContext just yet. The same thing occurs with the test client, which retains the context, so it can be inspected.
– theY4Kman
Jul 29 '17 at 21:04
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How to debug Apache mod_rewrite
...sic URL resolution, use a command line fetcher like wget or curl to do the testing, rather than a manual browser. Then you don't have to clear any cache; just up arrow and Enter in a shell to re-run your test fetches.
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Is there a CSS selector by class prefix?
...if any): in this case - "wildcard" indicates you're looking for ANY match.
test- : the value (assuming there is one) of the attribute - that contains the string "test-" (which could be anything)
So, for example:
[class*='test-'] {
color: red;
}
You could be more specific if you have good reas...
Run task only if host does not belong to a group
...is a magic variable as documented here: https://docs.ansible.com/ansible/latest/user_guide/playbooks_variables.html#accessing-information-about-other-hosts-with-magic-variables :
group_names is a list (array) of all the groups the current host is in.
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How can I create directory tree in C++/Linux?
...= do_mkdir(path, mode);
FREE(copypath);
return (status);
}
#ifdef TEST
#include <stdio.h>
#include <unistd.h>
/*
** Stress test with parallel running of mkpath() function.
** Before the EEXIST test, code would fail.
** With the EEXIST test, code does not fail.
**
** Test shell...
GroupBy pandas DataFrame and select most common value
...re's also an additional solution that supports multiple modes.
On a scale test that's representative of the data I'm working with, this reduced runtime from 37.4s to 0.5s!
Here's the code for the solution, some example usage, and the scale test:
import numpy as np
import pandas as pd
import rando...