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Mongoose query where value is not null
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Hello guys I am stucked with this. I've a Document Profile who has a reference to User,and I've tried to list the profiles where user ref is not null (because I already filtered by rol during the population), but
after google...
What is the difference between `throw new Error` and `throw someObject`?
...log(e.name, e.message); // Error I'm Evil
}
console.log(typeof(new Error("hello"))) // object
console.log(typeof(Error)) // function
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foll...
Is Mono ready for prime time? [closed]
... support, but will basically bork on any "REAL" build conf beyond a simple hello-world (custom build tasks, dynamic "properties" like $(SolutionDir), real configuration to name a few dead-ends)
xbuild which SHOULD have been the mono-supplied-msbuild-fully-compatible-build-system is even more horribl...
“unpacking” a tuple to call a matching function pointer
...lt;" "<<c<< std::endl; };
auto params = std::make_tuple(1,2.0,"Hello");
std::apply(f, params);
Just felt that should be stated once in an answer in this thread (after it already appeared in one of the comments).
The basic C++14 solution is still missing in this thread. EDIT: No, it'...
How to Query an NTP Server using C#?
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Hello Besster, thanks for your hint. For .ToLocalTime() the UTC-Kind is not mandatory. If you need the timestamp with the optional UTC marker, you could alternatively call .ToUniversalTime() at return. Reason: I used the cons...
How to export JavaScript array info to csv (on client side)?
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This answer is wrong: it will fail for the case data = [["Hello, world"]]. That will output two columns when it should output one.
– aredridel
Jul 22 '15 at 17:33
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How do I wrap link_to around some html ruby code?
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e.g.
<%= link_to 'some_controller_name/some_get_request' do %>
Hello World
<% end %>
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Return empty cell from formula in Excel
...e able to use the following pattern just like in your question:
=IF(A1 = "Hello world", GetTrueBlank, A1)
Step 1. Put this code in Module of VBA.
Function Delete_UDF(rng)
ThisWorkbook.Application.Volatile
rng.Value = ""
End Function
Step 2. In Sheet1 in A1 cell add named range GetTrueB...
How to get the number of Characters in a String?
...e main
import "fmt"
import "unicode/utf8"
func main() {
fmt.Println("Hello, 世界", len("世界"), utf8.RuneCountInString("世界"))
}
Phrozen adds in the comments:
Actually you can do len() over runes by just type casting.
len([]rune("世界")) will print 2. At leats in Go 1.3.
And with CL...
pdf2htmlEX实现pdf转html - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...tring[] args) {
pdf2html("D:\\pdf2htmlEX-v1.0\\pdf2htmlEX.exe D:\\v.pdf hello.html","v.pdf","v2.html");
}
}
处理Runtime.exec()一直阻塞的类：如果没有这个类，p.waitFor()将会一直等待，这是从这里找到的解决方法
import java.io.BufferedReader;
import java.io.I...