大约有 40,000 项符合查询结果(耗时:0.0641秒) [XML]
What does it mean to hydrate an object?
...atabase, from the network, or from a file system).
From Erick Robertson's comments on this answer:
deserialization == instantiation + hydration
If you don't need to worry about blistering performance, and you aren't debugging performance optimizations that are in the internals of a data acces...
SQL Server indexes - ascending or descending, what difference does it make?
...
This primarily matters when used with composite indexes:
CREATE INDEX ix_index ON mytable (col1, col2 DESC);
can be used for either:
SELECT *
FROM mytable
ORDER BY
col1, col2 DESC
or:
SELECT *
FROM mytable
ORDER BY
col1 DESC, col2
...
Installing SciPy with pip
...scipy/trunk/#egg=scipy
Update (12-2012):
pip install git+https://github.com/scipy/scipy.git
Since NumPy is a dependency, it should be installed as well.
share
|
improve this answer
|
...
Requirejs domReady plugin vs Jquery $(document).ready()?
... answered Mar 20 '13 at 6:07
fncompfncomp
5,49822 gold badges2929 silver badges4141 bronze badges
...
C++ Double Address Operator? (&&)
... edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Dec 28 '10 at 20:16
aschepleraschepler
...
How do I format a number with commas in T-SQL?
I'm running some administrative queries and compiling results from sp_spaceused in SQL Server 2008 to look at data/index space ratios of some tables in my database. Of course I am getting all sorts of large numbers in the results and my eyes are starting to gloss over. It would be really conveni...
is vs typeof
...
+1: In the past I wondered why the C# compiler didn't compile typeof(string).TypeHandle to the ldtoken CIL instruction, but it looks like the CLR takes care of it in the JIT. It still takes a few extra opcodes but it's a more generalized application of the optimi...
What is the purpose of `text=auto` in `.gitattributes` file?
... you're not alone.
Here's what * text=auto does in my words: when someone commits a file, Git guesses whether that file is a text file or not, and if it is, it will commit a version of the file where all CR + LF bytes are replaced with LF bytes. It doesn't directly affect what files look like in th...
What are the rules for the “…” token in the context of variadic templates?
...ted — the unpacked patterns (call them expressions now) are separated by comma ,.
It can be best understood by some examples. Suppose you have this function template:
template<typename ...T> //pack
void f(T ... args) //pack
{
// here are unpack patterns
g( args... ); //pat...
How is __eq__ handled in Python and in what order?
Since Python does not provide left/right versions of its comparison operators, how does it decide which function to call?
3...