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How do I (or can I) SELECT DISTINCT on multiple columns?
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This query, while correct and being accepted for year now, is extremely inefficient and unnecessarily so. Don't use this. I provided an alternative and some explanation in another answer.
– Erwin Brandstetter
Sep 30 '12 at 20:45
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What is the difference between decodeURIComponent and decodeURI?
...ncoded also because they are regarded as text and not special characters.
Now back to the difference between the decode functions, each function decodes strings generated by its corresponding encode counterpart taking care of the semantics of the special characters and their handling.
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What are some examples of commonly used practices for naming git branches? [closed]
... repository interacting with my group's CVS repository for several months, now. I've made an almost neurotic number of branches, most of which have thankfully merged back into my trunk. But naming is starting to become an issue. If I have a task easily named with a simple label, but I accomplish ...
Navigation bar appear over the views with new iOS7 SDK
...hod.
Note: You should be using the latest GM release of iOS 7 and Xcode 5 now since the API has changed from beta versions.
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What is the global interpreter lock (GIL) in CPython?
... come across the GIL unless you're writing a C extension" - You might not know that the cause of your multi-threaded code running at a snails pace is the GIL, but you'll certainly feel its effects. It still amazes me that to take advantage of a 32-core server with Python means I need 32 processes wi...
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
... (nullables has been introduced with .NET 2.0 and anyway it's also a well-known convention in use from many years) if they didn't find anything. Let's imagine you have an array of objects comparable with a string. You may think to write this code:
// Items comparable with a string
Console.WriteLine...
What does Ruby have that Python doesn't, and vice versa?
...or that claim language Y doesn't have X, although in fact it does. I also know exactly why I prefer Python, but that's also subjective, and wouldn't help anybody choosing, as they might not have the same tastes in development as I do.
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How to load external webpage inside WebView
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sorry. seems I changed something in the manifest and now it works too. but still, the page is loaded in the web browser, not in the webview.
– Gilbou
Sep 5 '11 at 9:03
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Use of 'const' for function parameters
...mation. You provide the parameter by value so the caller does not need to know anything on what you do (internally) with it. So write class Foo { int multiply(int a, int b) const; } in your header. In your implementation you do care that you can promise not to alter a and b so int Foo::multiply(cons...
What is the purpose of the EBP frame pointer register?
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Frame pointer is a reference pointer allowing a debugger to know where local variable or an argument is at with a single constant offset. Although ESP's value changes over the course of execution, EBP remains the same making it possible to reach the same variable at the same offset (su...