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Stripping everything but alphanumeric chars from a string in Python
What is the best way to strip all non alphanumeric characters from a string, using Python?
11 Answers
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Amazon S3 boto - how to create a folder?
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Thanks for the help, I am getting below error. can you please help me .botocore.exceptions.NoCredentialsError: Unable to locate credentials
– Anvesh
Dec 18 '17 at 7:19
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How can I split a string into segments of n characters?
...ce, segmentLength) {
if (!segmentLength || segmentLength < 1) throw Error('Segment length must be defined and greater than/equal to 1');
const target = [];
for (
const array = Array.from(source);
array.length;
target.push(array.splice(0,segmentLength).join(''))...
How to check if there exists a process with a given pid in Python?
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Sending signal 0 to a pid will raise an OSError exception if the pid is not running, and do nothing otherwise.
import os
def check_pid(pid):
""" Check For the existence of a unix pid. """
try:
os.kill(pid, 0)
except OSError:
retu...
How to convert string to boolean php
...ofcourse the lower one returns false. In fact, it throws a fatal :) "Fatal error: Only variables can be passed by reference". $a = 'False'; settype($a,'boolean'); var_dump($a); will indeed return false.
– Rob
Oct 24 '16 at 6:55
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Ruby on Rails production log rotation
...eft by rails.
On Ubuntu and Debian that would be, for example, in a file called /etc/logrotate.d/rails_example_com.
/path/to/rails.example.com/tmp/log/*.log {
weekly
missingok
rotate 52
compress
delaycompress
notifempty
copytruncate
}
As per suggestions below, in Rail...
How do I use a custom deleter with a std::unique_ptr member?
...nique<Bar>() {
auto p = create();
if (!p) throw std::runtime_error("Could not `create()` a new `Bar`.");
return { p };
}
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Test PHP headers with PHPUnit
...ocess annotation.
If you are using PHPUnit ~4.1 or something and get the error:
PHP Fatal error: Uncaught Error: Class 'PHPUnit_Util_Configuration' not found in -:378
Stack trace:
#0 {main}
thrown in - on line 378
Fatal error: Uncaught Error: Class 'PHPUnit_Util_Configuration' not found in - ...
Log all requests from the python-requests module
...I need to debug some OAuth activity, and for that I would like it to log all requests being performed. I could get this information with ngrep , but unfortunately it is not possible to grep https connections (which are needed for OAuth )
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How do I use valgrind to find memory leaks?
...the origins of uninitialized values, which could be very useful for memory errors. Consider turning off if Valgrind is unacceptably slow.
--verbose: Can tell you about unusual behavior of your program. Repeat for more verbosity.
--log-file: Write to a file. Useful when output exceeds terminal space....