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How to implement the --verbose or -v option into a script?
...unction (or if you're willing to use print as a function in 2.x using from __future__ import print_function) it's even simpler:
verboseprint = print if verbose else lambda *a, **k: None
This way, the function is defined as a do-nothing if verbose mode is off (using a lambda), instead of constantl...
Uninstall / remove a Homebrew package including all its dependencies
...
Based on @jfmercer answer (corrections needed more than a comment).
Remove package's dependencies (does not remove package):
brew deps [FORMULA] | xargs brew remove --ignore-dependencies
Remove package:
brew remove [FORM...
Most efficient method to groupby on an array of objects
...g callback functions to return a sorting criteria
– y_nk
Jul 6 '16 at 16:50
118
Here is one that ...
Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
...n memory and will therefore be much faster than implementing this in a database. A (good)dedicated message queue should also provide essential queueing related features such as throttling/flow control, and the ability to choose different routing algorithms, to name a couple(rabbit provides these and...
Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space
... \W leaves the underscore. A short equivalent for [^a-zA-Z0-9] would be [\W_]
text.replace(/[\W_]+/g," ");
\W is the negation of shorthand \w for [A-Za-z0-9_] word characters (including the underscore)
Example at regex101.com
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How to get string objects instead of Unicode from JSON?
...
A solution with object_hook
import json
def json_load_byteified(file_handle):
return _byteify(
json.load(file_handle, object_hook=_byteify),
ignore_dicts=True
)
def json_loads_byteified(json_text):
return _byteify(
...
Spring schemaLocation fails when there is no internet connection
...s was overwritten.
I found suggested solutions here: How to create spring-based executable jar with maven?
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Django: Set foreign key using integer?
...th _id at the end, which you can access directly to avoid visiting the database.
The _id version of a ForeignKey is a particularly useful aspect of Django, one that everyone should know and use from time to time when appropriate.
caveat:
@RuneKaagaard points out that employee.type is not accurate...
Tracking the script execution time in PHP
...amount of CPU time a particular script has used in order to enforce the max_execution_time limit.
18 Answers
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Iterate over model instance field names and values in template
...f the values of that instance in table format, with the field name (verbose_name specifically if specified on the field) in the first column and the value of that field in the second column.
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