topology:
8 client computers------->switch-------->modem------->telephone line
total bandwidth:2Mbit
upstream bandwidth:512kb it
when one is uploading files(for axample .rar of 1MB),the others can hardly click open any webpage in the internet.Even the one uploading files only occupies
some 20kbit upstream bandwidth of the total 512kbit, the result is the same.
Can anyone tell me why?...
cyhcyhhychyc
Last Activity: Nov 10 '10, 01:56 AM
Joined: Dec 13 '09
Location:
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I just cannt understand uploading influences downloading -
Wire speed slow down dramatically as long as uploading?
Our LAN contains some 10 computers,using so called Soft-router.
If someone uploading file(using IM or what ever),then,othe r people can not click open webpages.Seems uploading influences downloading. Can some one tell me why&how to resolve this problem? -
how to determine that a Cell of Excel contains nothing?
I've tryed using syntax below:
Convert.IsDBNul l(xSheet.Cells[i, 2])
and
Excel.Range ran = (Excel.Range)xS heet.Cells[i, 2];
if (ran.Value2 == null)
All the trys end up with an exception msg:"HRESULT:0x 800A03EC".
dont know why. -
Thanks.But I dont agree with u fully.For[string str = """;], compiler seems to check semi-colon to find the end position of the code line. But for [string str = @""";],due to the At sign, this code line in VS2005 together with several other code lines below are all turned to red(red color means syntactically wrong in VS2005 IDE).
Obviously, compiler consider [string str = @""";] and several lines...Leave a comment:
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@ symbol and double quotation marks
string str = @""";
string str = """;
Both of them are syntactically wrong. But I dont exactly know why.
How does the compiler/interpreter process the two definitions above?
when the compiler encounters [@"], whether will it jump to the end of the code line to find [;] or just process the line left to right? -
cyhcyhhychyc started a topic Me from China, Many foreign web sites r baned by the GOV., i'm angry....in NetworkingMe from China, Many foreign web sites r baned by the GOV., i'm angry....
There r a national level firewall Called great firewall(GFW). All request from China to the outer world r firstly filtered by it. Many world famous sites, like youtube.com,
twitter.com,fac ebook.com..are all baned,not to say the sites related to politics&sex. We all hate CP and the government. People in china don't have human right and are controled by CP mentally and physically.
Any way,how can i get through GFW and visit the sites... -
Give u a RegEx, how to list all the Matches?
To be simple,say give u a RegEx as below:
^[a-z]$
get: "a","b".... "z".
given ^/d{1,3}$
get:0,1...10,11 ...100,101....9 99
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