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When do you use map vs flatMap in RxJava?
....subscribe(userInfo -> {
// get user info and you update ui now
});
As you see, in function flatMap applies, at first I get user id from Response then fetch user info. When two requests are finished, we can do our job such as updating UI or save data into database.
However...
JSF backing bean structure (best practices)
...say -- 15 EL functions digging into that object from the JSF page, you are now tied not only to the bean, but to that object. Therefore it will be difficult to remove that object without breaking the UI.
– Zack Marrapese
Apr 16 '09 at 13:55
...
How to create a custom string representation for a class object?
...ite right. It is, however, from the Python 2 generation. An update for the now-current Python 3 would be:
class MC(type):
def __repr__(self):
return 'Wahaha!'
class C(object, metaclass=MC):
pass
print(C)
If you want code that runs across both Python 2 and Python 3, the six module h...
Transform DateTime into simple Date in Ruby on Rails
... century
%Z - Time zone name
%% - Literal ``%'' character
t = Time.now
t.strftime("Printed on %m/%d/%Y") #=> "Printed on 04/09/2003"
t.strftime("at %I:%M%p") #=> "at 08:56AM"
share
...
Should a “static final Logger” be declared in UPPER-CASE?
...pared to are considered constants. The class is not meant to be 'used'. I know always cringe when I see SOME_CLASS.doStuff(). It's just fugly coding. The only problem with this is in the common case of a constant object (String being the common example) which is only meant for comparison, but to avo...
Chrome extension: accessing localStorage in content script
... it will be the storage from that webpage, not the extension page storage.
Now, to let your content script to read your extension storage (where you set them from your options page), you need to use extension message passing.
The first thing you do is tell your content script to send a request to yo...
Create nice column output in python
...
by far the best solution as of now
– zlr
Apr 18 '14 at 10:17
This only eve...
Implementing comparison operators via 'tuple' and 'tie', a good idea?
...he base case without arguments:
bool lexiLessthan()
{
return false;
}
Now your example becomes:
return lexiLessthan(
lhs.one_member, rhs.one_member,
lhs.another, rhs.another,
lhs.yet_more, rhs.yet_more
);
...
moment.js - UTC gives wrong date
... string in the local time zone of the browser by default. I'm on EDT right now. new Date('2010-12-12') gives me Date {Sat Dec 11 2010 19:00:00 GMT-0500 (Eastern Daylight Time)} in FF 38.0.5. Just to contextualize what "in the local time" means, exactly -- in this case, it appears to mean, "Date will...
How do you use the “WITH” clause in MySQL?
...klog. Thirty three months between filing a request and getting a first acknowledgement is a jaw-dropping length of time. Thank you for considering the request."
– Shiva
Jan 17 '14 at 17:37
...