大约有 5,500 项符合查询结果(耗时:0.0191秒) [XML]
What exactly is a C pointer if not a memory address?
... emulate a 32-bit machine on a physical 16-bit machine and you extend your 64KB of RAM to up to 4GB by using disk storage and implement 32-bit pointers as offsets into a huge file. Those pointers aren't real memory addresses.
– Alexey Frunze
Mar 1 '13 at 9:20
...
Cordova 3.5.0 Install Error- Please Install Android Target 19
... you haven't installed lib32ncurses5 and lib32stdc++6 yet. (It happened on 64-bit Debian Jessie.)
– Theodor Keinstein
Sep 2 '14 at 16:03
1
...
Response Content type as CSV
...
64
Use text/csv as the content type.
...
Are Exceptions in C++ really slow
...
The main model used today for exceptions (Itanium ABI, VC++ 64 bits) is the Zero-Cost model exceptions.
The idea is that instead of losing time by setting up a guard and explicitly checking for the presence of exceptions everywhere, the compiler generates a side table that maps any p...
Using Eloquent ORM in Laravel to perform search of database using LIKE
...
64
If you need to frequently use LIKE, you can simplify the problem a bit. A custom method like ()...
记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...解决:
MongoDB按需自动生成数据文件:先是<DB>.0,大小是64M,然后是<DB>.1,大小翻番到128M,到了<DB>.5,大小翻番到2G,其后的数据文件就保持在2G大小。为了避免可能出现的问题,可以采用事先手动创建数据文件的策略:
#!/bin...
How do you convert a byte array to a hexadecimal string, and vice versa?
...: 0.73 (37.9X faster)
Byte Manipulation (via Waleed Eissa)
Text: 16,856.64 (29.5X faster)
Sentence: 0.70 (39.5X faster)
Lookup/Shift (via Nathan Moinvaziri)
Text: 23,201.23 (21.4X faster)
Sentence: 1.24 (22.3X faster)
Lookup by nibble (via Brian Lambert)
Text: 23,879.41 (20.8X faster)
Sente...
How does one create an InputStream from a String? [duplicate]
...
WhiteFang34WhiteFang34
64.7k1717 gold badges9696 silver badges107107 bronze badges
a...
How to check if array is empty or does not exist? [duplicate]
...
Robby CornelissenRobby Cornelissen
64.7k1717 gold badges8989 silver badges109109 bronze badges
...
How to avoid reinstalling packages when building Docker image for Python projects?
...0fd94
Step 2 : ADD ./requirements.txt /srv/requirements.txt
---> b6c19f0643b5
Removing intermediate container a4d9cb37dff0
Step 3 : RUN pip install -r requirements.txt
---> Running in 4b7a85a64c33
Downloading/unpacking pytest==2.3.4 (from -r requirements.txt (line 1))
Running setup.py (path:...
