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What is the purpose of class methods?
...ou dispatch to a function or static class, then you "forget" and lose the knowledge about which class is doing the initializing.
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When should Flask.g be used?
...terns, as linked by Markus, explains some of the changes to g in 0.10:
g now lives in the application context.
Every request pushes a new application context, wiping the old one, so g can still be used to set flags per-request without change to code.
The application context is popped after teardow...
autolayout - make height of view relative to half superview height
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This is now possible in IB as of [at least] Xcode 5.1.1. Although it took me sometime to figure out it is actually super simple:
First create a basic top alignment constraint (you will also need to setup bottom, left, and right cons...
Is there a way to 'uniq' by column?
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Good to know. Thx! (Of course this makes sense, thinking of "cat" and "lazyness" ;))
– Carsten C.
Dec 17 '09 at 7:19
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Objective-C and Swift URL encoding
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Ah yes, now I remember the funky stringByAddingPercentEscapesUsingEncoding behaviour. It only encodes '&' and '=' or something ridiculous like that.
– Mike Weller
Jun 14 '12 at 14:45
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Getting the caller function name inside another function in Python? [duplicate]
... doesn't work, they have changed the order of the tuples. A named tuple is now being used so it's best to use inspect.stack()[1].filename
– timeyyy
Mar 23 '16 at 18:53
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How to drop all tables in a SQL Server database?
...K
Then, either save to file, clipboard, or new query window.
Run script.
Now, this will drop everything, including the database. Make sure to remove the code for the items you don't want dropped. Alternatively, in the "Choose Objects" section, instead of selecting to script entire database just se...
sizeof single struct member in C
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Wow, I didn't know sizeof((type *)0)->member) works. Am not on my dev machine now, but does this work for all the compilers? Thanks for that Joey.
– Gangadhar
Aug 24 '10 at 5:03
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Is the practice of returning a C++ reference variable evil?
...nt() {
int* i = new int;
return *i; // DON'T DO THIS.
}
Because now the client has to eventually do the strange:
int& myInt = getInt(); // note the &, we cannot lose this reference!
delete &myInt; // must delete...totally weird and evil
int oops = getInt();
delete ...
How do I install Python OpenCV through Conda?
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I have summarized my now fully working solution, OpenCV-Python - How to install OpenCV-Python package to Anaconda (Windows). Nevertheless I've copied and pasted the important bits to this post.
At the time of writing I was using Windows 8.1, 6...