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Getting attributes of a class
... if _[0] in '__dict__'][0] and then it's just a matter of getting the keys from z.
– double0darbo
Nov 11 '19 at 21:19
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How to change menu item text dynamically in Android
I'm trying to change the title of a menu item from outside of the onOptionsItemSelected(MenuItem item) method.
11 Answers...
Vagrant ssh authentication failure
...0.1'
If still does not work try this:
Remove insecure_private_key file from c:\Users\USERNAME\.vagrant.d\insecure_private_key
Run vagrant up (vagrant will be generate a new insecure_private_key file)
In other cases, it is helpful to just set forward_agent in Vagrantfile:
Vagrant::Config.run d...
Get JSF managed bean by name in any Servlet related class
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@Marc: Has been in from the beginning. Was just a leftover from a copypaste mistake I guess. Answer has been corrected. Thank you for notifying.
– BalusC
Oct 8 '14 at 19:48
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What's the key difference between HTML 4 and HTML 5?
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HTML5 has several goals which differentiate it from HTML4.
Consistency in Handling Malformed Documents
The primary one is consistent, defined error handling. As you know, HTML purposely supports 'tag soup', or the ability to write malformed code and have it corrected i...
When should I use “this” in a class?
...od of another object. The third is as a way to call alternate constructors from within a constructor.
Case 1: Using this to disambiguate variable references. In Java setter methods, we commonly pass in an argument with the same name as the private member variable we are attempting to set. We then a...
Make xargs execute the command once for each line of input
...your input:
xargs -L 1
xargs --max-lines=1 # synonym for the -L option
from the man page:
-L max-lines
Use at most max-lines nonblank input lines per command line.
Trailing blanks cause an input line to be logically continued on
the next input line. Implies -x.
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Set transparent background of an imageview on Android
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If you add any number from 01 to 99 before the actual hash code, it will give you the transparency. Eg: Black with more transparency - #10000000 Black with less transparency - #99000000
– AnhSirk Dasarp
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Django template how to look up a dictionary value with a variable
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Write a custom template filter:
from django.template.defaulttags import register
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@register.filter
def get_item(dictionary, key):
return dictionary.get(key)
(I use .get so that if the key is absent, it returns none. If you do dictionary[key] it will...
.Net HttpWebRequest.GetResponse() raises exception when http status code 400 (bad request) is return
I am in a situation where when I get an HTTP 400 code from the server, it is a completely legal way of the server telling me what was wrong with my request (using a message in the HTTP response content)
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