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“VT-x is not available” when i start my Virtual machine [closed]
...mory resolved my issue, why does that work? I am on a virtual machine installing a virtual machine. Inception.
– Jacek Trociński
Nov 6 '15 at 12:04
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@class vs. #import
... and use the @class declaration in your header file.
@class does not (usually) remove the need to #import files, it just moves the requirement down closer to where the information is useful.
For Example
If you say @class MyCoolClass, the compiler knows that it may see something like:
MyCoolCl...
The command rbenv install is missing
In Ubuntu 10.04 I just installed rbenv .
The install command is not present.
8 Answers
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Where does Vagrant download its .box files to?
...d to store the .box temporarily whilst downloading but is deleted upon installation within Vagrant.
– Luke Peterson
May 14 '15 at 23:13
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C: Run a System Command and Get Output? [duplicate]
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Usually, if the command is an external program, you can use the OS to help you here.
command > file_output.txt
So your C code would be doing something like
exec("command > file_output.txt");
Then you can use the file...
Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?
...ur UIColor method requires a float from 0-1, not 0-255. You need to divide all your RGB values by 255.0, as follows:
self.tableView.seperatorColor = [UIColor colorWithRed:127.0f/255.0f green:127.0f/255.0f blue:127.0f/255.0f alpha:1.0f];
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Avoiding instanceof in Java
...is entry from Steve Yegge's Amazon blog: "when polymorphism fails". Essentially he's addressing cases like this, when polymorphism causes more trouble than it solves.
The issue is that to use polymorphism you have to make the logic of "handle" part of each 'switching' class - i.e. Integer etc. in ...
What are MVP and MVC and what is the difference?
... many tools encourage you are likely to come across three design patterns called Model-View-Controller , Model-View-Presenter and Model-View-ViewModel . My question has three parts to it:
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Changing UIButton text
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@erdekhayser Actually, read-only properties CAN have read/write properties. I use the titlelabel's tag to pass an integer to a action method. Also see Apple's docs link Although this property is read-only, its own properties are read/write. U...
Sublime Text 3 how to change the font size of the file sidebar?
...he Package "Theme-Default", the font size of the editor does not change at all. Is there anything different in sublime text3？
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