大约有 42,000 项符合查询结果（耗时：0.0598秒） [XML]
Should I prefer pointers or references in member data?
...ding, as you mention, preventing the implementation of an assignment operator) and provide no benefits to what the class can provide.
Example problems:
you are forced to initialise the reference in each constructor's initialiser list: there's no way to factor out this initialisation into another ...
http HEAD vs GET performance
I am setting-up a REST web service that just need to answer YES or NO, as fast as possible.
8 Answers
...
n-grams in python, four, five, six grams?
I'm looking for a way to split a text into n-grams.
Normally I would do something like:
15 Answers
...
Not equal != operator on NULL
Could someone please explain the following behavior in SQL?
11 Answers
11
...
What does “var FOO = FOO || {}” (assign a variable or an empty object to that variable) mean in Java
...g the global object.
The reason why it's used is so that if you have two (or more) files:
var MY_NAMESPACE = MY_NAMESPACE || {};
MY_NAMESPACE.func1 = {
}
and
var MY_NAMESPACE = MY_NAMESPACE || {};
MY_NAMESPACE.func2 = {
}
both of which share the same namespace it then doesn't matter in which ...
Initialize class fields in constructor or at declaration?
...0.0…).
Prefer initialization in declaration if you don't have a constructor parameter that changes the value of the field.
If the value of the field changes because of a constructor parameter put the initialization in the constructors.
Be consistent in your practice (the most important rule).
...
Using grep to search for a string that has a dot in it
I am trying to search for a string 0.49 (with dot) using the command
9 Answers
9
...
C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p
C++11 introduced a standardized memory model, but what exactly does that mean? And how is it going to affect C++ programming?
...
Use space as a delimiter with cut command
...ut of a command aligning some columns with spaces. (and the google search for that lead me here)
In this case a single cut command is not sufficient, and you need to use:
tr -s ' ' | cut -d ' ' -f 2
Or
awk '{print $2}'
...
Is there a standard naming convention for XML elements? [closed]
Is there any standard, de facto or otherwise, for XML documents? For example which is the "best" way to write a tag?
13 Ans...