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Catching error codes in a shell pipe
...however, an old version of the MKS shell mishandled the error redirection without the preceding '1' so I've used that unambiguous notation for reliability for ages.
This leaks files if you interrupt something. Bomb-proof (more or less) shell programming uses:
tmp=${TMPDIR:-/tmp}/mine.$$
trap 'rm ...
What requests do browsers' “F5” and “Ctrl + F5” refreshes generate?
...ng:
F5 may give you the same page even if the content is changed, because it may load the page from cache. But Ctrl-F5 forces a cache refresh, and will guarantee that if the content is changed, you will get the new content.
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How should I read a file line-by-line in Python?
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There is exactly one reason why the following is preferred:
with open('filename.txt') as fp:
for line in fp:
print line
We are all spoiled by CPython's relatively deterministic reference-counting scheme for garbage collection. Other, hypothetical implementations of Pytho...
Getting hold of the outer class object from the inner class object
... object using which I created the inner class object inner . How can I do it?
8 Answers
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ASP.NET MVC HandleError
...corresponding View named "Error" first in the Controller's View folder. If it can't find it there then it will proceed to look in the Shared View folder (which should have an Error.aspx file in it by default)
[HandleError(ExceptionType = typeof(SqlException), View = "DatabaseError")]
[HandleError(E...
How do I show the value of a #define at compile-time?
I am trying to figure out what version of Boost my code thinks it's using. I want to do something like this:
14 Answers
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Ruby : How to write a gem? [closed]
I'd like to write a package for Ruby and make it available as a gem.
What are the tools, steps and pitfalls ?
Are there any good tutorials, screencasts, etc., which helped you learning how to do it ?
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How do I set the rounded corner radius of a color drawable using xml?
On the android website, there is a section about color drawables . Defining these drawables in xml looks like this:
3 Ans...
Bootstrapping still requires outside support
I've heard of the idea of bootstrapping a language, that is, writing a compiler/interpreter for the language in itself. I was wondering how this could be accomplished and looked around a bit, and saw someone say that it could only be done by either
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Removing all unused references from a project in Visual Studio projects
I just wondered if it possible within various Visual Studio versions to automatically remove all references from a project that were never been used?
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