大约有 19,000 项符合查询结果（耗时：0.0326秒） [XML]
Prompt for user input in PowerShell
... the linked example you would type: $results['String Field'].
To access information without invoking a method, leave the parentheses off:
PS> $Host.UI.Prompt
MemberType : Method
OverloadDefinitions : {System.Collections.Generic.Dictionary[string,psobject] Pr
ompt(s...
What is the equivalent of “none” in django templates?
...r example, is it possible to display "N/A" if a date is none but otherwise format it? Like: {{ post.pub_date|default_if_none:"N/A"|date:"Y-m-d" }}?
– Andreas Bergström
Jan 7 '18 at 16:57
...
How to use a dot “.” to access members of dictionary?
...uctor
This means that if something you want to access is already in dict form, you can turn it into a DotMap for easy access:
import json
jsonDict = json.loads(text)
data = DotMap(jsonDict)
print data.location.city
Finally, it automatically creates new child DotMap instances so you can do thing...
Splitting on first occurrence
...
Note: if more splits can be performed after reaching the maxsplit count, the last element in the list will contain the remainder of the string (inclusive of any sep chars/strings).
– BuvinJ
Sep 10 '19 at 13:01
...
How do I render a partial of a different format in Rails?
...lling render :partial (only works outside of the respond_to block).
render formats: [ :html ]
instead of
render format: 'html'
share
|
improve this answer
|
follow
...
What is a “callable”?
... @Kay: I also like the @Florian Bösch's answer (in its current form). btw, a decorator is not a typical usage of a "callable". The most typical "callables" are functions/methods such as def f(): ..., and class objects such as class C: ... i.e., f, ''.strip, len, and C all are callable. I...
How do I run a simple bit of code in a new thread?
... need to run in a different thread than the GUI as it currently causes the form to freeze whilst the code runs (10 seconds or so).
...
Storing time-series data, relational or non?
... ultimate goal is to provide visualisations to a user of the system in the form of time-series graphs.
10 Answers
...
Why does Java's hashCode() in String use 31 as a multiplier?
...e it is an odd prime. If it were even and the multiplication overflowed, information would be lost, as multiplication by 2 is equivalent to shifting. The advantage of using a prime is less clear, but it is traditional. A nice property of 31 is that the multiplication can be replaced by a shift and a...
Using Font Awesome icon for bullet points, with a single list item element
...ation</li>
<li><i class="icon-ok"></i> Prepended form inputs</li>
</ul>
If you can't find it working after trying this code then you're not including the library correctly. According to their website, you should include the libraries as such:
<link rel="s...