大约有 19,000 项符合查询结果（耗时：0.0480秒） [XML]
Splitting on first occurrence
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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
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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...
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
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Do C# Timers elapse on a separate thread?
...ese ISynchronizeInvoke instances are none other than plain old Control and Form instances that we are all familiar with. So in that case the Elapsed event is invoked on the UI thread and it behaves similar to the System.Windows.Forms.Timer. Otherwise, it really depends on the specific ISynchronize...
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...
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'
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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...
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).
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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.
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