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GeneralRe: How do create a class property that is a collection of the same class? Pin
Richard Deeming12-Feb-20 0:15
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Gerry Schmitz11-Feb-20 14:14
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AnswerRe: How do create a class property that is a collection of the same class? Pin
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QuestionHow to Pass the textbox value into Textbox1 in Web Browser in WPF Pin
Hernany Bondoc11-Feb-20 6:27
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Questioncontinuous PING application ? Pin
auting8210-Feb-20 9:27
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AnswerRe: continuous PING application ? Pin
k505410-Feb-20 10:48
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GeneralRe: continuous PING application ? Pin
auting8211-Feb-20 9:31
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GeneralRe: continuous PING application ? Pin
k505411-Feb-20 10:27
Memberk505411-Feb-20 10:27 
It used to be that most nodes on a lan would respond to a broadcast ping, but most systems do not do so any longer. Many hosts also employ firewalls to block pings. And firewalls can be used to block all connections except from certain hosts, or maybe even all incoming connections.

If all your nodes are connected through a simple hub, then you might be able to sniff packets on the wire and see what the source and destination nodes are. If you're using smart switches then the switch might only forward packets between the ports the nodes are attached to, so you might not see packets.

So there's not any good way to do that. There's only the brute force approach, a la Windows | Nmap Network Scanning.

Be aware that scanning networks where you do not have permission to do so is not advised. Its not unlike someone going around the outside of your hose checking to see if any of your doors or windows are openable. There might not be any intent to create mischief, but it certainly looks like you're trying to break in!
GeneralRe: continuous PING application ? Pin
auting8211-Feb-20 10:48
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AnswerRe: continuous PING application ? Pin
Gerry Schmitz10-Feb-20 13:56
mveGerry Schmitz10-Feb-20 13:56 
QuestionModifying multiple fields based on a condition Pin
Bice908-Feb-20 1:07
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AnswerRe: Modifying multiple fields based on a condition Pin
Richard MacCutchan8-Feb-20 1:41
mveRichard MacCutchan8-Feb-20 1:41 
GeneralRe: Modifying multiple fields based on a condition Pin
Bice908-Feb-20 4:10
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GeneralRe: Modifying multiple fields based on a condition Pin
jsc4210-Feb-20 4:09
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GeneralRe: Modifying multiple fields based on a condition Pin
Richard MacCutchan10-Feb-20 5:11
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AnswerRe: Modifying multiple fields based on a condition Pin
OriginalGriff8-Feb-20 2:49
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GeneralRe: Modifying multiple fields based on a condition Pin
Bice908-Feb-20 4:12
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AnswerRe: Modifying multiple fields based on a condition Pin
Eddy Vluggen8-Feb-20 2:51
professionalEddy Vluggen8-Feb-20 2:51 
GeneralRe: Modifying multiple fields based on a condition Pin
Bice908-Feb-20 4:15
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AnswerRe: Modifying multiple fields based on a condition Pin
phil.o8-Feb-20 3:04
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GeneralRe: Modifying multiple fields based on a condition Pin
Bice908-Feb-20 4:17
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GeneralRe: Modifying multiple fields based on a condition Pin
phil.o8-Feb-20 4:53
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AnswerRe: Modifying multiple fields based on a condition Pin
Gerry Schmitz8-Feb-20 3:41
mveGerry Schmitz8-Feb-20 3:41 
GeneralRe: Modifying multiple fields based on a condition Pin
Bice908-Feb-20 4:25
MemberBice908-Feb-20 4:25 
GeneralRe: Modifying multiple fields based on a condition Pin
Gerry Schmitz8-Feb-20 4:52
mveGerry Schmitz8-Feb-20 4:52 

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