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Test if a property is available on a dynamic variable
My situation is very simple. Somewhere in my code I have this:
14 Answers
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Why is it not advisable to have the database and web server on the same machine?
Listening to Scott Hanselman's interview with the Stack Overflow team ( part 1 and 2 ), he was adamant that the SQL server and application server should be on separate machines. Is this just to make sure that if one server is compromised, both systems aren't accessible? Do the security concerns ...
How to initialize a List to a given size (as opposed to capacity)?
...entical (see Performance of Arrays vs. Lists question). However they are quite different in initialization.
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SASS - use variables across multiple files
...uld like to keep one central .scss file that stores all SASS variable definitions for a project.
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autolayout - make height of view relative to half superview height
...seems like a really trivial problem example. I have a view that I want to sit at the top of the screen, and take up half of the screen-height. Simple before autolayout - just tack it in place and tell it to expand vertically when the superview resizes.
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Can't launch my app in Instruments: At least one target failed to launch
I have all my code signing entitlements set correctly. Running the app on my phone is fine, but launching it in instruments gives me an error message:
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Visibility of global variables in imported modules
I've run into a bit of a wall importing modules in a Python script. I'll do my best to describe the error, why I run into it, and why I'm tying this particular approach to solve my problem (which I will describe in a second):
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Swift: declare an empty dictionary
... are going to change the contents of the dictionary over time then declare it as a var (variable). You can declare an empty dictionary as a let (constant) but it is pointless if you have the intention of changing its contents over time, since constant can't be changed after it has been initialized.
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How to change XAMPP apache server port?
...he default port used by Apache is 80.
Take a look to all your used ports with Netstat (integrated to XAMPP Control Panel).
Then you can see all used ports and here we see that the 80port is already used by System.
Choose a free port number (8012, for this exemple).
2. Edit the file "httpd.co...
Mvn install or Mvn package
I am new to Maven, I have a Java based web project with maven configured in my MyEclipse.
Now if I modified any java files then do I need to do Run as -> Mvn install or Mvn package ?
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