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Accessing dict keys like an attribute?
...cs of spam.eggs over spam['eggs'] (I think it looks cleaner), and I really started craving this functionality when I met the namedtuple. But the convenience of being able to do the following trumps it.
>>> KEYS = 'spam eggs ham'
>>> VALS = [1, 2, 3]
>>> d = {k: v for k, ...
How to make custom error pages work in ASP.NET MVC 4
...t; Add View). These should appear in a folder called ErrorPage.
Inside App_Start open up FilterConfig.cs and comment out the error handling filter.
public static void RegisterGlobalFilters(GlobalFilterCollection filters)
{
// Remove this filter because we want to handle errors ourselves via the...
How do I implement basic “Long Polling”?
... });
};
$(document).ready(function(){
waitForMsg(); /* Start the inital request */
});
</script>
</head>
<body>
<div id="messages">
<div class="msg old">
BargePoll message requester!
</div>
</div&g...
Static/Dynamic vs Strong/Weak
...e checked before being executed, and a program might be rejected before it starts. Dynamic typing means that the types of values are checked during execution, and a poorly typed operation might cause the program to halt or otherwise signal an error at run time. A primary reason for static typing i...
reStructuredText tool support
... document(s), it automagically re-renders and re-displays them. restview
starts a small web server
calls docutils to render your document(s) to HTML
calls your device's browser to display the output HTML.
rst2pdf - from reStructuredText to PDF
rst2odp - from reStructuredText to ODF Presentation
r...
What is a 'semantic predicate' in ANTLR?
...own when the boolean expression evaluates to false). You can use it at the start of a rule to check some property of a rule and let the parser match said rule or not.
Let's say the example grammar creates Number tokens (a lexer rule instead of a parser rule) that will match numbers in the range of ...
Difference between applicationContext.xml and spring-servlet.xml in Spring Framework
....ContextLoaderListener</listener-class>
</listener>
At server startup ContextLoaderListener instantiates beans defined in applicationContext.xml.
Assuming you have defined the following in applicationContext.xml:
<import resource="test1.xml" />
<import resource="test2.xml" />...
What is a Proxy in Doctrine 2?
I just finished reading all the Doctrine 2 documentation, I started my own sandbox, I understood most of the principes, but there is still a question and I couldn't find any complete explanation in the doc.
...
How to fix 'android.os.NetworkOnMainThreadException'?
...xception e) {
e.printStackTrace();
}
}
});
thread.start();
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What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
... wall (or a stopwatch in hand) would measure as having elapsed between the start of the process and 'now'.
The user-cpu time and system-cpu time are pretty much as you said - the amount of time spent in user code and the amount of time spent in kernel code.
The units are seconds (and subseconds, w...