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Writing Unicode text to a text file?
....'
f = open('test', 'w')
f.write(foo.encode('utf8'))
f.close()
When you read that file again, you'll get a unicode-encoded string that you can decode to a unicode object:
f = file('test', 'r')
print f.read().decode('utf8')
...
Why does C# disallow readonly local variables?
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One reason is there is no CLR support for a readonly local. Readonly is translated into the CLR/CLI initonly opcode. This flag can only be applied to fields and has no meaning for a local. In fact, applying it to a local will likely produce unverifiable code.
This ...
Django auto_now and auto_now_add
...e this fields in admin (though, you won't be able to edit it), you can add readonly_fields to your admin class.
class SomeAdmin(ModelAdmin):
readonly_fields = ("created","modified",)
Well, this applies only to latest Django versions (I believe, 1.3 and above)
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Difference between a user and a schema in Oracle?
... or privileges to create objects.
Next, we create some roles to allow read-write and read-only access.
CREATE ROLE schema_rw_role;
CREATE ROLE schema_ro_role;
We want to give our application user read-write access to the schema
objects, so we grant the relevant role.
GRANT schema_rw_r...
Do you need to dispose of objects and set them to null?
...this scope because it would give a different meaning to 'iVal', which is already used in a 'parent or current' scope to denote something else
}
This makes sense if you look at generated MSIL - all the variables used by the function are defined at the start of the function. Take a look at this func...
Should I choose ActivePerl or Strawberry Perl for Windows? [duplicate]
I'm totally new to Perl, but I'd like to try it out. I read about two rival distributions available for Windows platform (I guess there's just Perl on other OSes :).
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How can I pass arguments to a batch file?
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Five years later, I'm back reading my comment w/ confusion. Seem to have meant "to create a .bat with two parameters, literally type echo echo %1 %2 > test.bat. The test.bat file will have echo %1 %2 in it (you could've also saved it from a text edi...
Difference between ref and out parameters in .NET [duplicate]
... that's an additional output for the function (eg int.TryParse) that are already using the return value for something.
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Check if an image is loaded (no errors) with jQuery
...ck the image DOM element for the .complete to make sure the image wasn't already loaded before jQuery could register the events.
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Covariance, Invariance and Contravariance explained in plain English?
Today, I read some articles about Covariance, Contravariance (and Invariance) in Java. I read the English and German Wikipedia article, and some other blog posts and articles from IBM.
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