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SQLite table constraint - unique on multiple columns
...ges based on the table definition type (see the second table where 'Alice' now has id = 4; the first table is doing more of what I expect it to do, keep the PRIMARY KEY the same). Be aware of this effect.
share
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Using custom std::set comparator
...the class name as the type parameter
set<int64_t, lex_compare> s;
If you want to avoid the functor boilerplate code you can also use a function pointer (assuming lex_compare is a function).
set<int64_t, bool(*)(const int64_t& lhs, const int64_t& rhs)> s(&lex_compare);
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ASP.NET MVC HandleError
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Thanks for the extended information. I don't know what I did wrong, but I created a new project, ported all the existing views, controllers and models in it and now it works. Didn't know about the selective views though.
– Boris Callens
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Is there a JavaScript strcmp()?
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One more thing (I'm using this in code I'm writing right now, so I've been perfecting it): just be aware that this is a case-sensitive comparison ('Foo' will come before 'bar' but 'Bar' will come after 'foo'). That corresponds to OP's question about strcmp, but many people may come...
How to run a single RSpec test?
...s bee available but there is an Rspec configuration for run filtering - so now you can add this to your spec_helper.rb:
RSpec.configure do |config|
config.filter_run_when_matching :focus
end
And then add a focus tag to the it, context or describe to run only that block:
it 'runs a test', :focu...
How to use a custom comparison function in Python 3?
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What if I need both a key function AND a cmp function? I want to sort a list of dictionaries by a custom key in each dictionary. sorted_rows = sorted(rows, key=itemgetter('name'), cmp=locale.strxfrm) gives TypeError: 'cmp' is an i...
How to use background thread in swift?
..., after the previous code in outer block")
})
})
Pre Swift 1.2 – Known issue
As of Swift 1.1 Apple didn't support the above syntax without some modifications. Passing QOS_CLASS_BACKGROUND didn't actually work, instead use Int(QOS_CLASS_BACKGROUND.value).
For more information see Apples do...
Android: How to put an Enum in a Bundle?
... @clu By not expecting custom fields to be serialised. It works fine if its just a normal enum like in the code above.
– bluehallu
Jan 11 '16 at 12:39
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Why does javascript replace only first instance when using replace? [duplicate]
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Why difference then C# replace. Thought it would replace all occurrences by default. But why did it take 2 slashes away if it is only first occurrence?
– chobo2
Dec 27 '09 at 21:44
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NtMapViewOfSection注入 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ss;
ViewSize = dwNumberOfBytesToMap;
// 转换标志为NT保护属性
if (dwDesiredAccess & FILE_MAP_WRITE)
{
Protect = PAGE_READWRITE;
}
else if (dwDesiredAccess & FILE_MAP_READ)
{
Protect = PAGE_READONLY;
}
else if (dwDesiredAccess & FILE_MAP_COPY)
{
Protect = PAGE_WRITECOPY;
}
el...