大约有 40,000 项符合查询结果(耗时:0.0527秒) [XML]
Most efficient conversion of ResultSet to JSON?
... I think that quotation marks inside values should be escaped (" to \") in order to create a valid JSON string. Is this a bug of the formatJSON() function? Or am I missing something?
– Oneiros
Jan 21 '15 at 16:52
...
Why would I ever use push_back instead of emplace_back?
...ncluding the version that ship with Visual Studio 2012, 2013 and 2015.
In order to accommodate known compiler bugs, prefer usingstd::vector::push_back() if the parameters reference iterators or other objects which will be invalid after the call.
std::vector<int> v;
v.emplace_back(123);
v.emp...
What does the “Just” syntax mean in Haskell?
...nalysis of values that belong to types with more than one constructor.
In order to use a Maybe a value in a pattern match, you need to provide a pattern for each constructor, like so:
case maybeVal of
Nothing -> "There is nothing!"
Just val -> "There is a value, and it is " ++ (sh...
What is the “owning side” in an ORM mapping?
...ow what is the owning side, and update the correct side of the relation in order to trigger the persistence of the new relation in the database.
share
|
improve this answer
|
...
HEAD and ORIG_HEAD in Git
...anch". that's why when you in detached head , you do git branch foo -b in order to "create" a branch for that orphans commits.
– Royi Namir
Mar 11 '19 at 11:41
add a comment
...
Private virtual method in C++
...e a template for other reasons).
I NEED to have the common base class in order to make many of the public APIs work correctly (I'm using variadic templates), but I cannot let that object out into the wild. Worse, if I leave the craters in the state machine- in the form of pure virtual functions- a...
If Python is interpreted, what are .pyc files?
... during compilation (and therefore don't perform automatic compilation) in order to check errors more thoroughly and perform more optimizations. It's a continuum of gray scales, not a black or white situation, and it would be utterly arbitrary to put a threshold at some given level and say that onl...
What is Unicode, UTF-8, UTF-16?
...s basic unit, it is affected by endianness. To compensate, a reserved byte order mark can be placed at the beginning of a data stream which indicates endianness. Thus, if you are reading UTF-16 input, and no endianness is specified, you must check for this.
As can be seen, UTF-8 and UTF-16 are now...
Create the perfect JPA entity [closed]
...he obj or a no-arg ctor which gives no clue what shall be set and in which order and leaves it prone to user's mistakes?
– mohamnag
Feb 2 '18 at 10:35
1
...
How can I upload fresh code at github?
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
