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Understanding spring @Configuration class
... follows:
@Autowired
@Value("${some.interesting.property}")
private final String someInterestingProperty;
This can be used with SpEL expressions as well.
In order to allow spring to treat such classes as beans containers we need to mark this in our main xml by putting this tag in the context:
&...
jQuery deferreds and promises - .then() vs .done()
...gle callback and will filter out non-functions (though there is a bug with strings in version 1.8 that should be fixed in 1.8.1):
// this will add fn1 to 7 to the deferred's internal callback list
// (true, 56 and "omg" will be ignored)
promise.done( fn1, fn2, true, [ fn3, [ fn4, 56, fn5 ], "omg", ...
Difference Between ViewData and TempData?
..., one way only
It’s life lies only during the current request
If passing string then no need to typecast
If passing object then you need to typecast it but before that you need to check if it is not null
Its a property on ControllerBase, which is the parent of Controller class
TempData:
TempD...
How do I target only Internet Explorer 10 for certain situations like Internet Explorer-specific CSS
...feature of the JScript runtime, which cannot be spoofed via the user-agent string.
– BoltClock♦
May 22 '14 at 3:03
...
Python progression path - From apprentice to guru
...swers by yourself.
Got a an hour to spare? Write code that will reverse a string, and find out the most optimum solution. A free evening? Why not try some web-scraping. Read other peoples code. See how they do things. Ask yourself what you would do.
When I'm bored at my computer, I open my IDE and...
How persistent is localStorage?
...torage is Not Secure Storage
HTML5 local storage saves data unencrypted in string form in the regular browser cache.
Persistence
On disk until deleted by user (delete cache) or by the app
https://developers.google.com/web-toolkit/doc/latest/DevGuideHtml5Storage
As for a "replacement for the Cookie...
django urls without a trailing slash do not redirect
... request.path = request.path + '/'
# we don't need query string in path_info because it's in request.GET already
request.path_info = request.path
response = self.handler.get_response(request)
return response
...
mongodb/mongoose findMany - find all documents with IDs listed in array
... @chovy try converting them to ObjectIds first, instead of passing strings.
– Georgi Hristozov
Dec 2 '14 at 15:28
...
select and update database record with a single queryset
...value that evaluates to True (i.e., a value
other than None or the empty string), Django executes an UPDATE. If
the object’s primary key attribute is not set or if the UPDATE didn’t
update anything, Django executes an INSERT.
Ref.: https://docs.djangoproject.com/en/1.9/ref/models/instanc...
C++ map access discards qualifiers (const)
... map.find(KEY)->second; is unsafe when the map values are strings. It tends to print garbage when the KEY is not found.
– syam
Mar 8 '19 at 23:56
...