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puts vs logger in rails rake tasks

... a real problem... I am running like 8 consoles tracing what's going on in my app, just switch between tabs when you're working on a specific part of the system no big deal imho – marcgg Feb 11 '10 at 17:19 ...
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Python memoising/deferred lookup property decorator

... I wrote this one for myself... To be used for true one-time calculated lazy properties. I like it because it avoids sticking extra attributes on objects, and once activated does not waste time checking for attribute presence, etc.: import funct...
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Can't find the 'libpq-fe.h header when trying to install pg gem

... I could solve this in another way. I didn't find the library on my system. Thus I installed it using an app from PostgreSQL main website. In my case (OS X) I found the file under /Library/PostgreSQL/9.1/include/ once the installation was over. You may also have the file somewhere else de...
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What is “assert” in JavaScript?

... something that I've added to my code inside the if(!condition) is setting var throwError=true; then debugger; then wrap the throw section in an if(throwError). That way, if I have the debugger open, it'll break, and if I so desire I can set throwError to...
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Python unit test with base and sub class

... This is my favorite. It is the least hacky means and doesn't interfere with overriding methods, doesn't alter the MRO and allows me to define setUp, setUpClass etc. in the base class. – Hannes M...
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?

...en you have everything in memory, and the results come spilling out. From my reading of the docs, iterator() does nothing more than bypass QuerySet's internal caching mechanisms. I think it might make sense for it to a do a one-by-one thing, but that would conversely require ten-million individual...
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How to check that a string is a palindrome using regular expressions?

...t a historical heritage. See stackoverflow.com/questions/233243#235199 and my answer. – jfs Nov 3 '08 at 21:57 2 ...
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How to read a file into a variable in shell?

...and, where there are 5511 lines? The pitfalls come from the $() expansion, my example shows that $() expansion works with \'". – Ciro Santilli 郝海东冠状病六四事件法轮功 Oct 13 '14 at 9:21 ...
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How to check if activity is in foreground or in visible background?

I have a splash screen on a timer. My problem is that before I finish() my activity I need to check that the next activity has started because a system dialogue box pops-up and I only want to finish() ; once the user has selected an option from the dialogue box? ...
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Set up git to pull and push all branches

...this will flood your remote. Damn. And we just did a pruning. Not sure why my local had so many branches left over. – Jack Apr 3 '14 at 21:15  |  ...