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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?
Recently I've been thinking about securing some of my code. I'm curious how one could make sure an object can never be created directly, but only via some method of a factory class. Let us say I have some "business object" class and I want to make sure any instance of this class will have a valid in...
How to create a temporary directory/folder in Java?
... immediately is on Windows when the file is already open (it could be open by a virus scanner for example). Do you have other documentation to show otherwise (I am curious about things like that :-)? If it happens regularly then the above code won't work, if it is rare then lopping the call to the ...
Removing trailing newline character from fgets() input
...e as in strlen) can be implemented much more efficiently than a plain char-by-char search. For which reason I'd consider this solution better than a strchr or strcspn based ones.
– AnT
Mar 29 '16 at 18:28
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Class constants in python
...emember that SIZES[1] means "big", so probably you could improve your code by doing something like:
class Animal:
SIZE_HUGE="Huge"
SIZE_BIG="Big"
SIZE_MEDIUM="Medium"
SIZE_SMALL="Small"
class Horse(Animal):
def printSize(self):
print(self.SIZE_BIG)
Alternatively, you ...
iOS 7's blurred overlay effect using CSS?
...e an element blurs parts of the background.
– Design by Adrian
Jun 12 '13 at 8:29
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I edited my j...
When to use: Java 8+ interface default method, vs. abstract method
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By this reasoning, the next thing they would add is default method declarations. I am still unsure about this, the feature seems more like a hack to me that is being exposed to everyone for misuse.
– pa...
Compare two files in Visual Studio
...those of you who are new to Visual Studio the Command Window can be opened by going to: View > Other Windows > Command Window (VS Pro 2013) or with CTRL+ALT+A
– Cleanshooter
Jun 26 '14 at 13:30
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Emulating a do-while loop in Bash
... (tl;dr: true is a bash builtin AND a program)
– PJ Eby
May 11 at 23:44
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List of MSBuild built-in variables
...macros mentioned in the later question. I believe these are properties set by VS, so note that if building from command line - these values won't be set.
– Filip Skakun
Jan 27 '16 at 3:56
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Awaiting multiple Tasks with different results
...k;
var car = await carTask;
You can also use Task.Result (since you know by this point they have all completed successfully). However, I recommend using await because it's clearly correct, while Result can cause problems in other scenarios.
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