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How do I get a plist as a Dictionary in Swift?
...e: "data", ofType: "plist")! //the path of the data
let plistXML = FileManager.default.contents(atPath: plistPath!)!
do {//convert the data to a dictionary and handle errors.
plistData = try PropertyListSerialization.propertyList(from: plistXML, options: .mutableContainer...
Adding a column to an existing table in a Rails migration
...email_to_users email:string will do the trick).
It will create a migration file containing line:
add_column :users, email, string
Then do a rake db:migrate and it'll run the new migration, creating the new column.
If you have not yet run the original migration you can just edit it, like you're tryi...
Why is “except: pass” a bad programming practice?
...A different example would be if you want to read some configuration from a file, and that file happens to not exist. Because it is a configuration file, you might have some default configuration as a fallback, so the file is not exactly necessary. So catching a FileNotFoundError and simply applying ...
View more than one project/solution in Visual Studio
...ons and I would like to view both of them at once. Without having to click file->recent projects to switch back and forth.
...
What do commas and spaces in multiple classes mean in CSS?
...
.container_12 .grid_6,
.container_16 .grid_8 {
width: 460px;
}
That says "make all .grid_6's within .container_12's and all .grid_8's within .container_16's 460 pixels wide." So both of the following will render the same:
<div class...
ASP.NET_SessionId + OWIN Cookies do not send to browser
...uses System.Web.HttpResponse.Cookies property to store it's ASP.NET_SessionId cookie. Also there is some basic optimization in ASP.NET session state module (System.Web.SessionState.SessionStateModule) implemented through static property named s_sessionEverSet which is quite self explanatory. If you ...
Does Java casting introduce overhead? Why?
...s of the individual elements. You can tell this from looking at the class file format.
It is theoretically possible that the JIT compiler could use "escape analysis" to eliminate unnecessary type checks in some assignments. However, doing this to the degree you are suggesting would be beyond the ...
‘ld: warning: directory not found for option’
...steps you've omitted? I did this and now Xcode can't find a bunch of other files that were working seconds before. Help!
– user
Jun 20 '13 at 22:47
9
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What XML parser should I use in C++? [closed]
... parse and/or I need to build XML documents and write them to text (either files or memory). Since the C++ standard library does not have a library for this, what should I use?
...
Running Bash commands in Python
...
... (stdout=file redirects the output to a file in this case. It implements > file). It would be wrong to pass ..., '>', 'file'] in the last command expecting the redirection (it won't work without a shell and if you use a shell, y...