大约有 43,000 项符合查询结果(耗时:0.0356秒) [XML]
PowerShell script to return versions of .NET Framework on a machine?
...swers both return the root number on my system for .NET 3.0 (where the WCF and WPF numbers, which are nested under 3.0, are higher -- I can't explain that), and fail to return anything for 4.0 ...
EDIT: For .Net 4.5 and up, this changed slightly again, so there's now a nice MSDN article here expla...
How to sort with a lambda?
...
Then you understand my confusion. I think it might be something weird with my VC10 Express (no service pack). I moved the project onto a machine with Visual Studio 2010 Team and it worked without the "-> bool".
– B...
What does [].forEach.call() do in JavaScript?
I was looking at some snippets of code, and I found multiple elements calling a function over a node list with a forEach applied to an empty array.
...
How to concatenate two IEnumerable into a new IEnumerable?
...erator will attempt to use the two passed-in enumerable items (call them A and B) in sequence. If the passed-in enumerables represent sequences which will not change during the lifetime of Cat, and which can be read from without side-effects, then Cat may be used directly. Otherwise, it may be a g...
Are GUID collisions possible?
...with the same GUID. I know that microsoft uses an algorithm to generate a random GUID that has an extremely low chance of causing collisons, but is a collision still possible?
...
What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
...
I'd store it in the database as a BIGINT and I'd store the number of ticks (eg. TimeSpan.Ticks property).
That way, if I wanted to get a TimeSpan object when I retrieve it, I could just do TimeSpan.FromTicks(value) which would be easy.
...
How can I break an outer loop with PHP?
...outermost foreach
}
}
If you're in php >= 5.3, you can use labels and gotos, similar as in ActionScript:
foreach (...)
{
foreach (...)
{
if (i.name == j)
goto top;
}
}
top:
But goto must be used carefully. Goto is evil (considered bad practice)
...
A semantics for Bash scripts?
...ripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programming language. For example: What is the evaluation order? what are the scoping rules? What is the typing discipline, e.g. is everything a string? What is the...
Create a shortcut on Desktop
...ortcut pointing to some EXE file, on the desktop, using .NET Framework 3.5 and relying on an official Windows API. How can I do that?
...
Hashing a file in Python
...g our hashes of this bad boy in 64kb chunks as we go along with hashlib's handy dandy update method. This way we use a lot less memory than the 2gb it would take to hash the guy all at once!
You can test this with:
$ mkfile 2g bigfile
$ python hashes.py bigfile
MD5: a981130cf2b7e09f4686dc273cf7187...
