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Why doesn't list have safe “get” method like dictionary?
...ows you to query the value associated with a name, not directly access the 37th item in the dictionary (which would be more like what you're asking of your list).
Of course, you can easily implement this yourself:
def safe_list_get (l, idx, default):
try:
return l[idx]
except IndexError:
...
How do I hide an element when printing a web page?
...otes?
– Codeguy007
Nov 16 '12 at 21:39
6
...
Retrieving parameters from a URL
...lparse.urlparse(url)
print urlparse.parse_qs(parsed.query)['def']
Python 3:
import urllib.parse as urlparse
from urllib.parse import parse_qs
url = 'http://foo.appspot.com/abc?def=ghi'
parsed = urlparse.urlparse(url)
print(parse_qs(parsed.query)['def'])
parse_qs returns a list of values, so the...
in iPhone App How to detect the screen resolution of the device
...
350
CGRect screenBounds = [[UIScreen mainScreen] bounds];
That will give you the entire screen's...
How do I step out of a loop with Ruby Pry?
...
Qortex
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answered Jun 27 '12 at 13:42
EvandroEvandro
...
How do you Force Garbage Collection from the Shell?
...ng this in bash/perl/ruby/other scripts. I've used popen2 in Python or open3 in Perl to do this.
UPDATE: here's a one-liner using jmxterm:
echo run -b java.lang:type=Memory gc | java -jar jmxterm-1.0-alpha-4-uber.jar -n -l host:port
...
Add a custom attribute to a Laravel / Eloquent model on load?
...
323
The problem is caused by the fact that the Model's toArray() method ignores any accessors whic...
detach all packages while working in R
...aracter.only=TRUE,unload=TRUE)
(edit: 6-28-19)
In the latest version of R 3.6.0 please use instead.
invisible(lapply(paste0('package:', names(sessionInfo()$otherPkgs)), detach, character.only=TRUE, unload=TRUE))
Note the use of invisible(*) is not necessary but can be useful to prevent the NULL re...
AppSettings get value from .config file
...
351
This works for me:
string value = System.Configuration.ConfigurationManager.AppSettings[key];...
Save plot to image file instead of displaying it using Matplotlib
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answered Mar 27 '12 at 13:35
HookedHooked
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