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tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...多通道和内存条rank级并行优化。一个内存通道一般使用64位数据总线，双通道同时工作提供了128位传输能力。Rank是指DIMM上几个内存颗粒共同提供的64位数据，同一条内存上的不同rank因为共享数据总线而不能被同时访问，但内存...
Using Django time/date widgets in custom form
...css"/>
<link rel="stylesheet" type="text/css" href="/media/admin/css/base.css"/>
<link rel="stylesheet" type="text/css" href="/media/admin/css/global.css"/>
<link rel="stylesheet" type="text/css" href="/media/admin/css/widgets.css"/>
This implies that Django's admin media (AD...
What's the fastest way to delete a large folder in Windows?
...r /s/q foldername
This is nearly three times faster than a single rmdir, based on time tests with a Windows XP encrypted disk, deleting ~30GB/1,000,000 files/15,000 folders: rmdir takes ~2.5 hours, del+rmdir takes ~53 minutes. More info at Super User.
This is a regular task for me, so I usually ...
Random number generator only generating one random number
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@Florin - there is no difference re "stack based" between the two. Static fields are just as much "external state", and will absolutely be shared between callers. With instances, there is a good chance that different threads have different instances (a common pattern)...
Create an empty list in python with certain size
...ect. So unless you simply want 10 copies of the same object, use the range based variant as it creates 10 new objects. I found this distinction very important.
– Mandeep Sandhu
Apr 23 '18 at 18:29
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Flattening a shallow list in Python [duplicate]
...Lott: You inspired me to write a timeit app.
I figured it would also vary based on the number of partitions (number of iterators within the container list) -- your comment didn't mention how many partitions there were of the thirty items. This plot is flattening a thousand items in every run, with ...
Cannot change version of project facet Dynamic Web Module to 3.0?
... I also had to do this. I was using a Spring web project with a Java-based configuration, so updating a web.xml wasn't possible for me.
– bcody
Apr 6 '14 at 13:12
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Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
...that the address of the array was saved in a register so it could optimize based upon that, but the debugger simply knew the address of a constant. Thus, before a statement MyArray[0] = 4; I could check the adddress of MyArray, and look at that location before and after the statement executed; it w...
How do you change the server header returned by nginx?
...olution doesn't require any special software extension, and works with the base nginx.
– Kris
Dec 5 '17 at 23:54
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How to check if a given directory exists in Ruby
... write a script which automatically checks out or updates a Subversion URL based on whether a specified directory exists or not.
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