大约有 40,000 项符合查询结果（耗时：0.0352秒） [XML]
Dictionary vs Object - which is more efficient and why?
...RESULT=None
def makeL(i):
# Use this line to negate the effect of the strings on the test
# return "Python is smart and will only create one string with this line"
# Use this if you want to see the difference with 5 million unique strings
return "This is a sample string %s" % i
d...
What is the best way to auto-generate INSERT statements for a SQL Server table?
..._Type varchar(128),
@Actual_Values varchar(8000), --This is the string that will be finally executed to generate INSERT statements
@IDN varchar(128) --Will contain the IDENTITY column's name in the table
--Variable Initialization
SET @IDN = ''
SET @Column_ID = 0
SET @Column...
#pragma pack effect
...ing a DWORD at an address which isn't divisible by 4 requires at least one extra CPU cycle on a 32 bit processor. So, if you have e.g. three char members char a, b, c;, they actually tend to take 6 or 12 bytes of storage.
#pragma allows you to override this to achieve more efficient space usage, a...
Splitting string into multiple rows in Oracle
...s wondering if someone could teach me the simplest approach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g.
...
Identify if a string is a number
If I have these strings:
25 Answers
25
...
Storing sex (gender) in database
... space savings, it only pays off if you have multiple bit fields.
Second, strings/chars have a "magic value" feel to them, regardless of how obvious they may seem at design time. Not to mention, it lets people store just about any value they would not necessarily map to anything obvious.
Third, a ...
Creating your own header file in C
...ered Aug 18 '11 at 15:31
Oliver CharlesworthOliver Charlesworth
246k2626 gold badges510510 silver badges632632 bronze badges
...
How to capitalize the first character of each word in a string
...ion built into Java that capitalizes the first character of each word in a String, and does not affect the others?
51 Answe...
How do I show the value of a #define at compile-time?
...al query, but this may still be useful.
This can be done in GCC using the stringify operator "#", but it requires two stages.
#define XSTR(x) STR(x)
#define STR(x) #x
The value of a macro can then be displayed with:
#pragma message "The value of ABC: " XSTR(ABC)
See: 3.4 Stringification in th...
C: differences between char pointer and array [duplicate]
... (in this one, "now is the time" is stored elsewhere in memory, commonly a string table).
Also, note that because the data belonging to the second definition (the explicit pointer) is not stored in the current scope's stack space, it is unspecified exactly where it will be stored and should not be ...