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Rails: Using build with a has_one association in rails
... Do you need to create the column yourself every time? I had this idea that it happened automagically. I don't know where I got that idea.
– Rimian
Jan 26 '12 at 10:40
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Blocks and yields in Ruby
... of add why you would do things that way to the already great answers.
No idea what language you are coming from, but assuming it is a static language, this sort of thing will look familiar. This is how you read a file in java
public class FileInput {
public static void main(String[] args) {
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SQLite Concurrent Access
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Do we have any idea when those features will make their way into the release version? They could really come in handy for me.
– Peter Moore
Apr 3 '19 at 22:49
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How to enumerate an enum with String type?
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Ideally you would have something similar to c# implementation in which you can do Enum.Values(typeof(FooEnum)) but exposed as an extension method (like map or reduce). FooEnum.values() :: values(EnumType -> [EnumType])
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How to set standard encoding in Visual Studio
...eek the way to force VS save all text files in UTF-8 by default. I have no idea why the heck someone wants to save text data in codepage other then UTF-8.
– BlackOverlord
Jul 5 '18 at 18:58
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How to ignore whitespace in a regular expression subject string?
...d match. But wouldn't want "c ats" to match if there is no newline. Any ideas on how that might be done?
– Steven
Jan 4 '11 at 4:54
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Error handling in C code
... readable. Can be simple. Just error-enum in, const char* out.
I know this idea makes multithreaded use a bit difficult, but it would be nice if application programmer can set an global error-callback. That way they will be able to put a breakpoint into the callback during bug-hunt sessions.
Hope ...
Handling warning for possible multiple enumeration of IEnumerable
...dOnlyCollection(T) (new with .net 4.5) as the best interface to convey the idea that it is an IEnumerable(T) which is intended to be enumerated multiple times. As this answer states, IEnumerable(T) itself is so generic that it may even refer to un-resetable content which cannot be enumerated over ag...
Struct like objects in Java
... you CAN have two xs that are two different things, doesn't make it a good idea. IMHO, that is a poor suggestion, as it could lead to confusion by human readers. Basic principle: don't make a reader do a double-take; make it obvious what you are saying -- Use different names for different entities. ...
How to intercept touches events on a MKMapView or UIWebView objects?
...t.h>
@implementation UIViewTouch
@synthesize viewTouched;
//The basic idea here is to intercept the view which is sent back as the firstresponder in hitTest.
//We keep it preciously in the property viewTouched and we return our view as the firstresponder.
- (UIView *)hitTest:(CGPoint)point with...