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发帖数: 286 | 1 ☆─────────────────────────────────────☆
lhict (至少还有我) 于 (Sun Feb 4 01:17:03 2007) 提到:
I had a phone interview with Worldquant today
for a position of C++/linux. The questions are as follows,
1. In database, what is left join ?
2. for a table, with 2 columns,
C1 | C2
----------------
Id | Symbol
Id is the primary key, the symbol could be duplicate,
write SQL to select all the duplicate symbols in table.
3. Perl, write a regular expression to delete all the 'M' chararter
in a string.
4. ... 阅读全帖 |
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