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How to configure robots.txt to allow everything?
...gent: *
Disallow:
Note that the Disallow field has an empty value, which means according to the specification:
Any empty value, indicates that all URLs can be retrieved.
Your way (with Allow: / instead of Disallow:) works, too, but Allow is not part of the original robots.txt specification...
Using python's eval() vs. ast.literal_eval()?
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datamap = eval(raw_input('Provide some data here: ')) means that you actually evaluate the code before you deem it to be unsafe or not. It evaluates the code as soon as the function is called. See also the dangers of eval.
ast.literal_eval raises an exception if the input isn't...
How do you change the document font in LaTeX?
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What exactly does "well researched usability studies" mean? Do you just mean well thought out? I can't imagine there exist peer reviewed studies of the specific LaTeX defaults in academic journals.
– Praxeolitic
Jun 7 '14 at 10:20
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Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
...tion, and setRetainInstance() is false so that the layout can change. This means that when the device orientation is changed, both MainActivity and MainFragment are completely destroyed and recreated.
Separately we have MyTask (extended from AsyncTask) which does all the work. We can't store it in ...
error: passing xxx as 'this' argument of xxx discards qualifiers
...re not const, so you give the above error.
You can also see this question Meaning of 'const' last in a function declaration of a class? for more detail.
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Why are local variables not initialized in Java?
... the compiler then says that the code "must be within a try." I guess that means some of the code may raise an exception that isn't handled anymore. I'm not sure. Neither version of my code handles any exceptions, so anything exception-related in the first version should work the same in the second....
Define static method in source-file with declaration in header-file in C++
...Keep it just in your class definition.
static keyword placed in .cpp file means that a certain function has a static linkage, ie. it is accessible only from other functions in the same file.
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How to set up a cron job to run an executable every hour?
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Did you mean the executable fails to run , if invoked from any other directory? This is rather a bug on the executable. One potential reason could be the executable requires some shared libraires from the installed folder. You may...
C#: List All Classes in Assembly
... I can't get past the asm.GetTypes() call, it just hangs - I mean it is obviously the fact that there are a lot of Types - I can't do anything because it is drilling away at trying to get them all. My CPU shoots to 30% on one of my 4 cores. I mean really I am just wondering if there is...
Why specify @charset “UTF-8”; in your CSS file?
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Do you mean css files need to be served with content-type:text/css;charset=utf-8 header?
– Pacerier
Jul 13 '12 at 3:35
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