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Why is it said that “HTTP is a stateless protocol”?
...ocket. That is solely a performance thing, intended to minimize the time/bandwidth that'd otherwise be spent reestablishing a connection for each request.
As far as HTTP is concerned, they are all still separate requests and must contain enough information on their own to fulfill the request. Tha...
How to apply shell command to each line of a command output?
Suppose I have some output from a command (such as ls -1 ):
8 Answers
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What is the difference between class and instance attributes?
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Only the mutable types are shared. Like for int and str they still attached with each instances rather than class.
– Babu
Jul 17 '14 at 11:59
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Tooltips for cells in HTML table (no Javascript)
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You can use css and the :hover pseudo-property. Here is a simple demo. It uses the following css:
a span.tooltip {display:none;}
a:hover span.tooltip {position:absolute;top:30px;left:20px;display:inline;border:2px solid green;}
Note that ...
How to grey out a button?
...able state with false indication; see comments)
You will provide effect and background for the states accordingly.
Here is a detailed discussion: Standard Android Button with a different color
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Example of Named Pipes
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For someone who is new to IPC and Named Pipes, I found the following NuGet package to be a great help.
GitHub: Named Pipe Wrapper for .NET 4.0
To use first install the package:
PS> Install-Package NamedPipeWrapper
Then an example server (copied fr...
Automatically open Chrome developer tools when new tab/new window is opened
...where you opened them from. For example, if you do not have Dev Tools open and you get a popup, it won't open with Dev Tools. But if you Have Dev Tools Open and then you click something, the popup will have Dev-Tools Automatically opened.
UPDATE:
Time has changed, you can now use --auto-open-devto...
Is there a Java equivalent or methodology for the typedef keyword in C++?
Coming from a C and C++ background, I found judicious use of typedef to be incredibly helpful. Do you know of a way to achieve similar functionality in Java, whether that be a Java mechanism, pattern, or some other effective way you have used?
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Define css class in django Forms
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Yet another solution that doesn't require changes in python code and so is better for designers and one-off presentational changes: django-widget-tweaks. Hope somebody will find it useful.
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Is it possible to read the value of a annotation in java?
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I'm not sure I understand what the two of you need. Please ask that as a new question with a full example. You can link it here if you wish.
– Cephalopod
Sep 17 '14 at 7:46
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