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Printing without newline (print 'a',) prints a space, how to remove?

... This will consume a bit of memory for the string, but only make a single call to print. Note that string concatenation using += is now linear in the size of the string you're concatenating so this will be fast. >>> for i in xrange(20): ... s += 'a' ... >>> print s aaaaaaaaaa...
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Resetting generator object in Python

I have a generator object returned by multiple yield. Preparation to call this generator is rather time-consuming operation. That is why I want to reuse the generator several times. ...
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Force CloudFront distribution/file update

... Good news. Amazon finally added an Invalidation Feature. See the API Reference. This is a sample request from the API Reference: POST /2010-08-01/distribution/[distribution ID]/invalidation HTTP/1.0 Host: cloudfront.amazonaws.com Authorization:...
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How to call a Parent Class's method from Child Class in Python?

...P was asking how to do it without explicitly naming the superclass at the call site (Bar, in this case). – Adam Rosenfield Apr 30 '09 at 2:13 8 ...
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How to create a jQuery plugin with methods?

... plugin that will provide additional functions/methods to the object that calls it. All the tutorials I read online (have been browsing for the past 2 hours) include, at the most, how to add options, but not additional functions. ...
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How to drop all tables in a SQL Server database?

...y tables. I found that code that works and does everything you try (delete all tables from your database): DECLARE @Sql NVARCHAR(500) DECLARE @Cursor CURSOR SET @Cursor = CURSOR FAST_FORWARD FOR SELECT DISTINCT sql = 'ALTER TABLE [' + tc2.TABLE_SCHEMA + '].[' + tc2.TABLE_NAME + '] DROP [' + rc1.C...
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What does the slash mean in help() output?

...python functions. Also see the Argument Clinic documentation: To mark all parameters as positional-only in Argument Clinic, add a / on a line by itself after the last parameter, indented the same as the parameter lines. and the (very recent addition to) the Python FAQ: A slash in the argu...
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SQL Server: Query fast, but slow from procedure

... the quoted answer did not solve the problem for me. The query still ran really slow from a stored procedure. I found another answer here "Parameter Sniffing", Thanks Omnibuzz. Boils down to using "local Variables" in your stored procedure queries, but read the original for more understanding, it...
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What does the PHP error message “Notice: Use of undefined constant” mean?

...l_escape_string($_POST['message']); As is, it was looking for constants called department, name, email, message, etc. When it doesn't find such a constant, PHP (bizarrely) interprets it as a string ('department', etc). Obviously, this can easily break if you do defined such a constant later (tho...
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Accessing private member variables from prototype-defined functions

... No, there's no way to do it. That would essentially be scoping in reverse. Methods defined inside the constructor have access to private variables because all functions have access to the scope in which they were defined. Methods defined on a prototype are not defin...