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Are HTTP headers case-sensitive?
...aders":
Each header field consists of a name followed by a colon (":") and the field value. Field names are case-insensitive.
The updating RFC 7230 does not list any changes from RFC 2616 at this part.
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How is pattern matching in Scala implemented at the bytecode level?
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case Sum(l,r) // instance of check followed by fetching the two arguments and assigning to two variables l and r but see below about custom extractors
case "hello" // equality check
case _ : Foo // instance of check
case x => // assignment to a fresh variable
case _ => // do nothing, this is...
Max or Default?
... isn't implemented in LINQ to SQL, I did a search on the error it returned and found a fascinating article that deals with null sets in aggregate functions. To summarize what I found, you can get around this limitation by casting to a nullable within your select. My VB is a little rusty, but I think...
How do I get the filepath for a class in Python?
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This is the wrong approach for Django and really forcing things.
The typical Django app pattern is:
/project
/appname
models.py
views.py
/templates
index.html
etc.
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What is the lifecycle of an AngularJS Controller?
...ller.
Controllers are not singletons. Anyone can create a new controller and they are never auto-destroyed. The fact is that it's generally bound to the life cycle of its underlying scope. The controller is not automatically destroyed whenever its scope is destroyed. However, after destroying an u...
Why is try {…} finally {…} good; try {…} catch{} bad?
...g the fact that an error occurred. try..finally will run your cleanup code and then the exception will keep going, to be handled by something that knows what to do with it.
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Does Java have a HashMap with reverse lookup?
...okup in both directions. Is there a name for this type of data structure, and is anything like this included in Java's standard libraries? (or maybe Apache Commons?)
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How to extract year and month from date in PostgreSQL without using to_char() function?
... want to select sql:
SELECT "year-month" from table group by "year-month" AND order by date , where
year-month - format for date "1978-01","1923-12".
select to_char of couse work , but not "right" order:
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What does “javascript:void(0)” mean?
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The void operator evaluates the given
expression and then returns undefined.
The void operator is often used merely
to obtain the undefined primitive
value, usually using “void(0)” (which
is equivalent to “void 0”). In these
cases, the global variable u...
Adding Permissions in AndroidManifest.xml in Android Studio?
In Eclipse we were able to add permissions in AndroidManifest.xml by going to AndroidManifest.xml->Permission-> Adding permissions.
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