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How to log SQL statements in Grails
I want to log in the console or in a file, all the queries that Grails does, to check performance.
10 Answers
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PHP best way to MD5 multi-dimensional array?
...ll work.
md5(serialize($array));
However, it's worth noting that (ironically) json_encode performs noticeably faster:
md5(json_encode($array));
In fact, the speed increase is two-fold here as (1) json_encode alone performs faster than serialize, and (2) json_encode produces a smaller string an...
How to find out which processes are using swap space in Linux?
...to htop
because I don't know a reliable way to get this information (actually,
I don't think it's possible to get an exact number, because of shared
pages).
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Make the first letter uppercase inside a django template
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Using Django built-in template filter called title
{{ "myname"|title }}
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Focusable EditText inside ListView
...dded as a header view) that contains an EditText widget and a Button . All I want to do is be able to use the jogball/arrows, to navigate the selector to individual items like normal, but when I get to a particular row -- even if I have to explicitly identify the row -- that has a focusable chil...
GitHub: searching through older versions of files
I know that using GitHub I can search through all the current versions of my files in a repo. However, I would also like to search through the older versions of my repo files. For example, say, I used to have a function called get_info() in my code, but deleted it several versions ago, is it possibl...
Visual Studio replace tab with 4 spaces?
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You can edit this behavior in:
Tools->Options->Text Editor->All Languages->Tabs
Change Tab to use "Insert Spaces" instead of "Keep Tabs".
Note you can also specify this per language if you wish to have different behavior in a specific language.
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Guards vs. if-then-else vs. cases in Haskell
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From a technical standpoint, all three versions are equivalent.
That being said, my rule of thumb for styles is that if you can read it as if it was English (read | as "when", | otherwise as "otherwise" and = as "is" or "be"), you're probably doing some...
Search and replace in Vim across all the project files
...oking for the best way to do search-and-replace (with confirmation) across all project files in Vim. By "project files" I mean files in the current directory, some of which do not have to be open.
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Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”
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1. Introduction
Here's a way to approach this problem systematically: if you have an algorithm that plays hangman well, then you can take the difficulty of each word to be the number of wrong guesses that your program would take if guessing that word.
2. Aside on hangman strategy
There'...