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What is the theoretical maximum number of open TCP connections that a modern Linux box can have
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A single listening port can accept more than one connection simultaneously.
There is a '64K' limit that is often cited, but that is per client per server port, and needs clarifying.
Each TCP/IP packet has basically four fields for addressing. These are:
source_ip source...
What is the @Html.DisplayFor syntax for?
...nswered Jun 15 '11 at 23:39
vcsjonesvcsjones
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Using npm behind corporate proxy .pac
...ain. It turned out that in the "proxy" setting of the .npmrc file (as mentioned below by @Ovidiu Buligan) it contained the %5C for the backslash, but the "https-proxy" just contained the "\". Changing this to also by %5C fixed the problem. I presume this could also be updated by running npm config s...
How to switch a user per task or set of tasks?
...post commands clean up such as chowning directories. Here's a snippet from one of my playbooks:
5 Answers
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Using property() on classmethods
...rty):
def __get__(self, cls, owner):
return self.fget.__get__(None, owner)()
class foo(object):
_var=5
def getvar(cls):
return cls._var
getvar=classmethod(getvar)
def setvar(cls,value):
cls._var=value
setvar=classmethod(setvar)
var=ClassProperty(g...
Creating an instance of class
...Foo::Foo::..::Foo() will resolve to exactly the same thing: Foo(). This is one of those cases where simplifying the language leaves to allowing mysterious code.
– David Rodríguez - dribeas
Sep 3 '12 at 13:33
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Show pop-ups the most elegant way
...e that modals / tooltips and the like are exception to the rule. In short: one need to know rules but also understand the context where those apply / not apply.
– pkozlowski.opensource
Aug 18 '14 at 10:38
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how to set textbox value in jquery
... I properly load the a certain value into a textbox using jquery?Tried the one below but I get the [object Object] as output. Please enlighten me on this, I'm new to jquery.
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How to write header row with csv.DictWriter?
...ollections import OrderedDict
ordered_fieldnames = OrderedDict([('field1',None),('field2',None)])
with open(outfile,'wb') as fou:
dw = csv.DictWriter(fou, delimiter='\t', fieldnames=ordered_fieldnames)
dw.writeheader()
# continue on to write data
Instantiating DictWriter requires a f...
Closing WebSocket correctly (HTML5, Javascript)
... consisting of just a 0xFF byte
followed by a 0x00 byte is sent from one peer to ask that the other peer
close the connection.
If you are writing a server, you should make sure to send a close frame when the server closes a client connection. The normal TCP socket close method can some...