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Creating a expressjs middleware that accepts parameters
...
Alternatively if you do not have too many cases or if role is NOT a string:
function HasRole(role) {
return function (req, res, next) {
if (role !== req.user.role) res.redirect(/* ... */);
else next();
}
}
var middlware_hasRoleAdmin = HasRole('admin'); // define router only once...
Recommendations of Python REST (web services) framework? [closed]
... expression is written once. Replace your someUsefulThing call with a long string, like paginate(request, Post.objects.filter(deleted=False, owner=request.user).order_by('comment_count')) and look at the code. I hope it will illustrate my point.
– temoto
Jul 13...
Difference between Document-based and Key/Value-based databases?
...t. JSON also supports arrays and understands different data types, such as strings, numbers and boolean values.
Querying
I believe column-family stores can only be queried by key, or by writing map-reduce functions. You cannot query the values like you would in an SQL database. If your application...
equals vs Arrays.equals in Java
...(array1, array2) compares the contents of the arrays.
Similarly array.toString() may not be very useful and you need to use Arrays.toString(array).
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Why doesn't Mockito mock static methods?
...th mockito-inline:3.4.0.
Class with static method:
class Buddy {
static String name() {
return "John";
}
}
Use new method Mockito.mockStatic():
@Test
void lookMomICanMockStaticMethods() {
assertThat(Buddy.name()).isEqualTo("John");
try (MockedStatic<Buddy> theMock = Mockito.moc...
What's the fuss about Haskell? [closed]
...ust wrong. This program will read the entire file, unless you use lazy Bytestrings (which you can do with Data.Bytestring.Lazy.readFile), which have nothing to do with Haskell being a lazy (non-strict) language. Monads are sequencing -- this means roughly "all the side-effects are done when you take...
Hidden Features of Xcode
...e.
The number of times a build has failed because I forgot to change this string is ridiculous.
Quickly jump to a Group in the Groups and Files pane
Control ⌃ Option ⌥ Shift ⇧ + <First letter of a Group name>
If you hold down the three keys above, you can quickly jump to...
When should std::move be used on a function return value? [duplicate]
... example if x was a class type with an expensive copy (e.g. appending to a string)
– M.M
Feb 27 '17 at 22:57
...
How to do a JUnit assert on a message in a logger
... assertThat(firstLogEntry.getLevel(), is(Level.INFO));
assertThat((String) firstLogEntry.getMessage(), is("Test"));
assertThat(firstLogEntry.getLoggerName(), is("MyTest"));
}
}
class TestAppender extends AppenderSkeleton {
private final List<LoggingEvent> log = new Arr...
Difference between Hive internal tables and external tables?
...t uses to keep track of state.
For instance, when you CREATE TABLE FOO(foo string) LOCATION 'hdfs://tmp/';, this table schema is stored in the database.
If you have a partitioned table, the partitions are stored in the database(this allows hive to use lists of partitions without going to the file-s...