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How do I invoke a Java method when given the method name as a string?
... Was a little upset by the fact that Java uses type erasure, but knowing that at least it has Reflection cheers me up again :D And now with lambdas in Java 8 the language is really getting up to speed with modern development. Only thing missing now is native support to getters and setters, ...
In which scenario do I use a particular STL container?
...in my book on C++, specifically the section on the STL and its containers. Now I do understand each and every one of them have their own specific properties, and I'm close to memorizing all of them... But what I do not yet grasp is in which scenario each of them is used.
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Set a cookie to never expire
...r and get sent to the client as a time near zero. (This is happening right now for 25-year cookies on PHP.)
– Riking
Apr 11 '13 at 22:28
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Flask-SQLAlchemy how to delete all rows in a single table
... a similar kind of a situation. Say there are 4 records in the table as of now, from id 1 to 4. When I do a db.session.query(Table_name).delete() db.session.commit() and then if I do a db.session.add() again to add new records, the next record gets an id of 5. Since my table is now empty, I want my ...
QuotaExceededError: Dom exception 22: An attempt was made to add something to storage that exceeded
...de to work.
UPDATE: This has been fixed in Safari 11, so the behaviour is now aligned with other browsers.
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How can I profile C++ code running on Linux?
... of the time (and thus costs that much). For simplicity, suppose we don't know what f is, but assume it is either 0.1, 0.2, 0.3, ... 0.9, 1.0, and the prior probability of each of these possibilities is 0.1, so all of these costs are equally likely a-priori.
Then suppose we take just 2 stack sample...
Separate REST JSON API server and client? [closed]
... A minor point to add: While I have only built option #1, I know multiple mobile app developers who are starting to use parse.com as their backend in order to enable a fast path to #2.
– Rhb123
Jun 8 '12 at 18:12
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What is the dependency inversion principle and why is it important?
... Consider a dependancy graph for some objects. Apply DIP to the objects. Now any object will be indpendent of the implementation of the other objects. Unit testing is now simple. Later refactoring for reuse is possible. Design changes have very limited change scopes. Design problems don not cascad...
Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?
... -- that combination instantly makes x, a and b harder to hold in my head. now, if each were separate statements on separate lines, as in -- a++; ++b; x = a + b; it would be easier to comprehend on first sight.
– artlung
Jun 9 '09 at 17:46
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Confused by python file mode “w+”
...om your file:
with open('somefile.txt', 'w+') as f:
# Note that f has now been truncated to 0 bytes, so you'll only
# be able to read data that you write after this point
f.write('somedata\n')
f.seek(0) # Important: return to the top of the file before reading, otherwise you'll jus...