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Subqueries vs joins

...tion we inherited from another company to use an inner join instead of a subquery like: 14 Answers ...
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How to turn on line numbers in IDLE?

... Version 3.8 or newer: To show line numbers in the current window, go to Options and click Show Line Numbers. To show them automatically, go to Options > Configure IDLE > General and check the Show line numbers in new windows box. Version 3.7 or older: Unfortunately there is not an opt...
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Can you list the keyword arguments a function receives?

... A little nicer than inspecting the code object directly and working out the variables is to use the inspect module. >>> import inspect >>> def func(a,b,c=42, *args, **kwargs): pass >>> inspect.getargspec(func) (['a', 'b', 'c'], 'args', 'k...
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What does immutable mean?

If a string is immutable, does that mean that.... (let's assume JavaScript) 9 Answers ...
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How do I count the number of occurrences of a char in a String?

...idiomatic one-liner' for this is: int count = StringUtils.countMatches("a.b.c.d", "."); Why write it yourself when it's already in commons lang? Spring Framework's oneliner for this is: int occurance = StringUtils.countOccurrencesOf("a.b.c.d", "."); ...
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Proper way to use **kwargs in Python

What is the proper way to use **kwargs in Python when it comes to default values? 14 Answers ...
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In Ruby how do I generate a long string of repeated text?

What is the best way to generate a long string quickly in ruby? This works, but is very slow: 2 Answers ...
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TSQL - How to use GO inside of a BEGIN .. END block?

I am generating a script for automatically migrating changes from multiple development databases to staging/production. Basically, it takes a bunch of change-scripts, and merges them into a single script, wrapping each script in a IF whatever BEGIN ... END statement. ...
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How to set top-left alignment for UILabel for iOS application?

...have added one label in my nib file, then its required to have top-left alignment for that lable. As I am providing text at runtime so its not sure that how much lines there are. So if text contains only single line then it appears as vertical-center aligned. That alignment is not matching with my r...
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Base64 length calculation?

After reading the base64 wiki ... 15 Answers 15 ...