大约有 43,000 项符合查询结果（耗时：0.0398秒） [XML]
What is the point of noreturn?
... to the caller -- for example because you call exit(), abort(), assert(0), etc.
– RavuAlHemio
Nov 11 '14 at 19:56
7
...
Favourite performance tuning tricks [closed]
...bles
Build with triggers on the underlying tables
Build daily / hourly / etc.
Build ad-hoc
Build incrementally or teardown / rebuild
See what the query plan is with SET SHOWPLAN ON
See what’s actually happenning with SET STATS IO ON
Force an index using the pragma: (index: myindex)
Force th...
Difference between abstraction and encapsulation?
...
Encapsulation means-hiding data like using getter and setter etc.
Abstraction means- hiding implementation using abstract class and interfaces etc.
share
|
improve this answer
...
How to redirect to a 404 in Rails?
...oach also lets you use the ActiveRecord bang finders (find!, find_by_...!, etc.), which all raise an ActiveRecord::RecordNotFound exception if no record is found (triggering the rescue_from handler).
– gjvis
Jun 18 '12 at 17:59
...
upstream sent too big header while reading response header from upstream
...nt to add that in ubuntu 16.04 the nginx configuration file is located at /etc/nginx/nginx.conf and the values should go inside http {...}
– Mario
Feb 26 '18 at 17:20
...
Duplicate and rename Xcode project & associated folders [closed]
...s, but it's not the clearest file structure for people to navigate in SCM, etc. To rename this folder without breaking all your file links, follow these steps:
In the Finder, rename the source folder. This will break your project, because Xcode won't automatically detect the changes. All of your x...
Should I always return IEnumerable instead of IList?
...nderlying collection without fearing this will get it erroneously changed, etc?
Only you can answer this question, and only by understanding well what your callers will want to do with the return value, and how important performance is here (how big are the collections you would be copying, how lik...
What is compiler, linker, loader?
...telligent than an assembler. It checks all kinds of limits, ranges, errors etc. But its program run time is more and occupies a larger part of the memory. It has slow speed. Because a compiler goes through the entire program and then translates the entire program into machine codes. If a compiler ru...
What is the difference between a map and a dictionary?
...can erase an element and test for membership in array, vector, list, deque etc, but the container interfaces don't directly support that because finding an element is spectacularly inefficient at O(N), in some cases insert/erase is inefficient, and supporting those operations undermines the delibera...
Android - Writing a custom (compound) component
...t). Also it contains a lot of logic (click listeners, logic to fill lists, etc).
2 Answers
...