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Advantages of Antlr (versus say, lex/yacc/bison) [closed]
...for left recursion. A better example might be dispatch:
expr ::= expr '.' ID '(' actuals ')' ;
actuals ::= actuals ',' expr | expr ;
Notice that both the expr and the actuals rules are left-recursive. This produces a much more efficient AST when it comes time for code generation because it avoid...
SQLite UPSERT / UPDATE OR INSERT
...per.android.com/reference/android/database/sqlite/… Sadly, it you need a new feature of SQLite3 (or any other system library) on Android or iOS, you need to bundle a specific version of SQLite in your application instead of relying on the system installed one.
– prapin
...
Writing files in Node.js
..., if you do:
write("a")
write("b")
write("c")
You're doing:
fs.write(new Buffer("a"))
fs.write(new Buffer("b"))
fs.write(new Buffer("c"))
That’s three calls to the I/O layer. Although you're using “buffers”, the data is not buffered. A buffered stream would do: fs.write(new Buffer ("ab...
Is proprietary code legally safe on bitbucket or github? [closed]
... These Terms of Service have changed. Update as of 12/7/2018: The new Atlassian Cloud Terms of Service now state: 5.1. Using Your Data to provide Cloud Products to You. You retain all right, title and interest in and to Your Data in the form submitted to the Cloud Products...
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How to access a preexisting collection with Mongoose?
...ap to the model.
Try something like the following, either schema-mapped:
new Schema({ url: String, text: String, id: Number},
{ collection : 'question' }); // collection name
or model mapped:
mongoose.model('Question',
new Schema({ url: String, text: String, id: Nu...
Delete forked repo from GitHub
...ching on GitHub. I unintentionally clicked to fork it. Now it appears as a new project to me.
12 Answers
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ASP.NET MVC 404 Error Handling [duplicate]
...Code == 404)
{
Response.Clear();
var rd = new RouteData();
rd.DataTokens["area"] = "AreaName"; // In case controller is in another area
rd.Values["controller"] = "Errors";
rd.Values["action"] = "NotFound";
IController ...
iOS: Use a boolean in NSUserDefaults
...ster it using registerDefaults:. This if often done in app delegate's + (void)initialize method to ensure that your defaults are registered before they are needed. These values only get used if your app hasn't replaced them. In other words, they won't be used unless the key you're looking for isn't ...
Is there any way to post events to Google Analytics via server-side API? [closed]
...tring label, string value)
{
ASCIIEncoding encoding = new ASCIIEncoding();
string postData =
"v=1&tid=UX-XXXXXXX-1&cid=1234&t=" + type +
"&ec=" + category +
"&ea=" + action +
"&...