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Generating v5 UUID. What is name and namespace?
...UUIDs
An SHA1 hash outputs 160 bits (20 bytes); the result of the hash is converted into a UUID.
With the 20-byte hash from SHA1:
SHA1 Digest: 74738ff5 5367 e958 9aee 98fffdcd1876 94028007
UUID (v5): 74738ff5-5367-5958-9aee-98fffdcd1876
^_low nibble is set to 5, t...
What is the use of the ArraySegment class?
...ollection<T>
as opposed to the .NET 4 version which implemented no interfaces whatsoever.
The class is now able to take part in the wonderful world of LINQ so we can do the usual LINQ things like query the contents, reverse the contents without affecting the original array, get the first it...
Parse date string and change format
...
convert string to datetime object
from datetime import datetime
s = "2016-03-26T09:25:55.000Z"
f = "%Y-%m-%dT%H:%M:%S.%fZ"
out = datetime.strptime(s, f)
print(out)
output:
2016-03-26 09:25:55
...
Can I use a collection initializer for Dictionary entries?
...
var names = new Dictionary<int, string> {
{ 1, "Adam" },
{ 2, "Bart" },
{ 3, "Charlie" }
};
share
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What's the best way to inverse sort in scala?
..._.size).reverse)
Maybe not the shortest to write (compared to minus) but intent is clear
Update
The last line does not work. To accept the _ in Ordering.by(_.size), the compiler needs to know on which type we are ordering, so that it may type the _. It may seems that would be the type of the ele...
MFC 中CImageList的用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...列表并绑定对象,图像控件的建立方法如下
BOOL Create(int cx,int cy,UINT nFlags,int nInitial,int nGrow);
BOOL Create(UINT nBitmapID,int cx,int nGrow,COLORREF crMask);
BOOL Create(LPCTSTR lpszBitmapID,int cx,int nGrow,COLORREF crMask);
BOOL Create...
How do I represent a time only value in .NET?
...her answers and the edit to the question, I would still use TimeSpan. No point in creating a new structure where an existing one from the framework suffice.
On these lines you would end up duplicating many native data types.
...
What is the difference between _tmain() and main() in C++?
... extension.
main is, according to the C++ standard, the program's entry point.
It has one of these two signatures:
int main();
int main(int argc, char* argv[]);
Microsoft has added a wmain which replaces the second signature with this:
int wmain(int argc, wchar_t* argv[]);
And then, to make i...
Why does Math.floor return a double?
...s that Math.floor() returns a double that is "equal to a mathematical integer", but then why shouldn't it return an int ?
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Scala: What is a TypeTag and how do I use it?
...about TypeTags is that they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject.
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