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What's so bad about Template Haskell?
...on for avoiding Template Haskell is that it as a whole isn't type-safe, at all, thus going against much of "the spirit of Haskell." Here are some examples of this:
You have no control over what kind of Haskell AST a piece of TH code will generate, beyond where it will appear; you can have a value ...
Python base64 data decode
...\x00\x00D\xc8\x001\x00\x00\x00\x00'
What problem are you having, specifically?
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NPM clean modules
Is there a way to get npm to unbuild all the modules under node_modules? Something like npm rebuild that removes all build artifacts but doesn't rebuild them?
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Get the Query Executed in Laravel 3/4
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Laravel 4+
In Laravel 4 and later, you have to call DB::getQueryLog() to get all ran queries.
$queries = DB::getQueryLog();
$last_query = end($queries);
Or you can download a profiler package. I'd recommend barryvdh/laravel-debugbar, which is pretty neat. You can read f...
JPQL IN clause: Java-Arrays (or Lists, Sets…)?
I would like to load all objects that have a textual tag set to any of a small but arbitrary number of values from our database. The logical way to go about this in SQL would be to build an "IN" clause. JPQL allows for IN, but it seems to require me to specify every single parameter to IN directly (...
Hidden features of Perl?
What are some really useful but esoteric language features in Perl that you've actually been able to employ to do useful work?
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Open a URL in a new tab (and not a new window)
...e Javascript has nothing to do with how the new tab/window is opened. It's all determined by your browser's settings. Using window.open tells the browser to open something new, then the browser opens up what is chosen in its settings - tab or window. In the browsers you tested with, change the setti...
What is the in a .vimrc file?
... "Repeat latest f, t, F or T in opposite direction [count] times." It is quite convenient.
– Maxim Kim
Nov 20 '09 at 12:34
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Check if two linked lists merge. If so, where?
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If
by "modification is not allowed" it was meant "you may change but in the end they should be restored", and
we could iterate the lists exactly twice
the following algorithm would be the solution.
First, the numbers. Assume the first list is of le...
Python element-wise tuple operations like sum
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Using all built-ins..
tuple(map(sum, zip(a, b)))
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