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How to find an available port?
I want to start a server which listen to a port. I can specify port explicitly and it works. But I would like to find a port in an automatic way. In this respect I have two questions.
...
What is the yield keyword used for in C#?
... implements the IEnumerable<object> interface. If a calling function starts foreaching over this object, the function is called again until it "yields". This is syntactic sugar introduced in C# 2.0. In earlier versions you had to create your own IEnumerable and IEnumerator objects to do stuff ...
How to use Fiddler to monitor WCF service
.../127.0.0.1:8888" />
</defaultProxy>
</system.net>
then Start Fiddler on the WEBSERVER machine.
Click Tools | Fiddler Options => Connections => adjust the port as 8888.(allow remote if you need that)
Ok, then from file menu, capture the traffic.
That's all, but don't forg...
Remove the last line from a file in Bash
...lete the top line use this:
tail -n +2 foo.txt
which means output lines starting at line 2.
Do not use sed for deleting lines from the top or bottom of a file -- it's very very slow if the file is large.
share
...
Standard Android Button with a different color
...gt;
<shape>
<gradient
android:startColor="@color/yellow1"
android:endColor="@color/yellow2"
android:angle="270" />
<stroke
android:width="3dp"
android:color="@color/grey05" ...
When should I create a destructor?
...to catch it?
A destructor may be called on an object after the constructor starts but before the constructor finishes. A properly written destructor will not rely on invariants established in the constructor.
A destructor can "resurrect" an object, making a dead object alive again. That's really wei...
What is the preferred Bash shebang?
.... Shebang itself is undefined under POSIX, so I could make #!stop toaster start the USB coffee machine and be POSIX compliant. So #!/usr/bin/env bash isn't particularly better than #!/bin/bash, it could be less portable depending.
– darkfeline
Mar 8 '18 at 8:0...
Abort Ajax requests using jQuery
...us request, meaning once it's sent it's out there.
In case your server is starting a very expensive operation due to the AJAX request, the best you can do is open your server to listen for cancel requests, and send a separate AJAX request notifying the server to stop whatever it's doing.
Otherwise...
What's the difference if I put css file inside or ?
... is recommended because when you have the CSS declared before <body> starts, your styles has actually loaded already. So very quickly users see something appear on their screen (e.g. background colors). If not, users see blank screen for some time before the CSS reaches the user.
Also, if you ...
Check if table exists in SQL Server
...ill check for the table before running the query and will fail before even starting.
– Marc K
Jan 13 '14 at 6:35
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