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Java 8 Streams - collect vs reduce
...is created and each element is "added" to that collection. Collections in different parts of the stream are then added together.
The document you linked gives the reason for having two different approaches:
If we wanted to take a stream of strings and concatenate them into a
single long strin...
How do I filter ForeignKey choices in a Django ModelForm?
...et to the field's queryset attribute. Depends on how your form is built. If you build an explicit form, you'll have fields named directly.
form.rate.queryset = Rate.objects.filter(company_id=the_company.id)
If you take the default ModelForm object, form.fields["rate"].queryset = ...
This is d...
Hide all but $(this) via :not in jQuery selector
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Just to add, if you're clicking something within the table to try and get it to hide all the table rows EXCLUDING the row containing the item you clicked, use: $('tr').not($(this).closest('tr')).hide();
– Jimbo
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Getting thread id of current method call
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What is the meaning of name = (null), if thread is main it returns NSThread: 0x60800006cb80>{number = 1, name = main}, Does it means "name = (null)" refers to background thread.
– Nirmala Maurya
Aug 24 '17 at 4:59
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How to convert string to boolean php
...he documentation for empty):
"" (an empty string);
"0" (0 as a string)
If you need to set a boolean based on the text value of a string, then you'll need to check for the presence or otherwise of that value.
$test_mode_mail = $string === 'true'? true: false;
EDIT: the above code is intended ...
Bin size in Matplotlib (Histogram)
...lly distributed, too:
plt.hist(data, bins=[0, 10, 20, 30, 40, 50, 100])
If you just want them equally distributed, you can simply use range:
plt.hist(data, bins=range(min(data), max(data) + binwidth, binwidth))
Added to original answer
The above line works for data filled with integers only...
Mock HttpContext.Current in Test Init Method
...ContextBase. HttpContextBase was added later to address HttpContext being difficult to mock. The two classes are basically unrelated (HttpContextWrapper is used as an adapter between them).
Fortunately, HttpContext itself is fakeable just enough for you do replace the IPrincipal (User) and IIdentit...
How do I get the function name inside a function in PHP?
...includes the class name) or __FUNCTION__ (just function name) depending on if it's a method or a function... =)
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What are all codecs and formats supported by FFmpeg?
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That would only be a list of formats supported by a specific build/installation of FFmpeg. There are a very wide range of FFmpeg builds in use.
– mikerobi
Oct 5 '11 at 19:02
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SVN undo delete before commit
If you delete a directory from an SVN working copy, but haven't committed yet, it's not obvious how to get it back. Google even suggests "svn undo delete before commit" as a common query when you type "svn undo d", but the search results are unhelpful.
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