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Primary key or Unique index?
...value appears nowhere, if the value is used for nothing? It's make-work in order to stop Access from asking for a PK. Make a PK if you need to identify the record in a child, otherwise it's a waste.
– Mark Brady
Feb 16 '09 at 20:57
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Are there conventions on how to name resources?
... I do this to, only I'd rather shorten the layout and widget names, in order to avoid long names, for example the username edit box on authentication layout would be: "au_eb_username" instead of "authentication_editbox_username"
– Hossein Shahdoost
Apr 22 '...
Remove all special characters with RegExp
...*()_|+\-=?;:'",.<>\{\}\[\]\\\/]/gi, '');
take special note that in order to also include the "minus" character, you need to escape it with a backslash like the latter group. if you don't it will also select 0-9 which is probably undesired.
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Getting a structural type with an anonymous class's methods from a macro
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Static methods in Python?
...k that Steven is actually right. To answer the original question, then, in order to set up a class method, simply assume that the first argument is not going to be a calling instance, and then make sure that you only call the method from the class.
(Note that this answer refers to Python 3.x. In Py...
Utils to read resource text file to String (Java) [closed]
...mething threshold size. Libraries often make your application size grow by orders of magnitude. One could argue just the opposite of what you said: "No need to write code. Yeah, let's just import libraries every time". Would you really prefer importing a library just to save you 3 lines of code? I b...
How to quickly check if folder is empty (.NET)?
... You need to add SetLastError = true to the DllImport for FindFirstFile in order for the Marshal.GetHRForLastWin32Error() call to work correctly, as described in the Remarks section of the MSDN doc for GetHRForLastWin32Error().
– Joel V. Earnest-DeYoung
Jun 19 ...
error: passing xxx as 'this' argument of xxx discards qualifiers
... @Mahesh: It's like I said -- if the elements in a set are changed, the order can be upset and then the set isn't valid anymore. In a map, only the key is const. In a set, the whole object is really the key.
– Fred Larson
May 12 '11 at 5:12
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Add legend to ggplot2 line plot
...me figure as before). With named values, the breaks can be used to set the order in the legend and any order can be used in the values.
ggplot(data = datos, aes(x = fecha)) +
geom_line(aes(y = TempMax, colour = "TempMax")) +
geom_line(aes(y = TempMedia, colour = "TempMedia")) +
geom_line(aes(...
“VT-x is not available” when i start my Virtual machine [closed]
....intel.com/… your processor supports VT-x. Try this: itropics.net/index.php/computers/windows/…
– Yax
Mar 30 '11 at 9:48
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