大约有 1,445 项符合查询结果（耗时：0.0145秒） [XML]
What is the difference between C, C99, ANSI C and GNU C?
...nfused by the difference between C and C99. What does C mean here? Is it C89? Check the languages at the bottom of this submit . It contains both C and C99.
...
Searching for UUIDs in text with regex
... @cyber-monk: [0-9a-f] is identical to [a-f0-9] and [0123456789abcdef] in meaning and in speed, since the regex is turned into a state machine anyway, with each hex digit turned into an entry in a state-table. For an entry point into how this works, see en.wikipedia.org/wiki/Nondetermi...
MySQL Workbench Dark Theme
...E_MYSQL_PROCEDUREKEYWORD -->
<style id="11" fore-color="#B9CB89" back-color="#2A2A2A" bold="No" /> <!-- SCE_MYSQL_STRING -->
<style id="12" fore-color="#B9CB89" back-color="#2A2A2A" bold="No" /> <!-- SCE_MYSQL_SQSTRING -->
<...
1052: Column 'id' in field list is ambiguous
...ook Different?
Secondly, my answers use ANSI-92 JOIN syntax (yours is ANSI-89). While they perform the same, ANSI-89 syntax does not support OUTER joins (RIGHT, LEFT, FULL). ANSI-89 syntax should be considered deprecated, there are many on SO who will not vote for ANSI-89 syntax to reinforce that....
Variable declaration placement in C
...same as in C++, but what are the variable declaration placement rules for C89/ANSI C?
8 Answers
...
Regular expression to match numbers with or without commas and decimals in text
... ' 0.0081000 0000.0081000 0.059000 0000.059000 ',
' 0.78987400000 snow 00000.78987400000 0.4400000 00000.4400000 ',
' -0.5000 -0000.5000 0.90 000.90 0.7 000.7 ',
' 2.6 00002.6 00002.60000 4.71 0004.71 0004.7100 ',
' 23.49 00023...
What happens to a declared, uninitialized variable in C? Does it have a value?
...ren't? the static initialization is required by the standard; see ISO/IEC 9899:1999 6.7.8 #10
– bdonlan
Oct 20 '09 at 21:43
3
...
How do I determine the dependencies of a .NET application?
...stem
Flags=0x00000000
Public Key:
0x00000000: B7 7A 5C 56 19 34 E0 89
2: Version=4.0.0.0
Name=mscorlib
Flags=0x00000000
Public Key:
0x00000000: B7 7A 5C 56 19 34 E0 89
Example output (.dll):
$ monodis --assemblyref Mono.CSharp.dll
AssemblyRef Table
1: Version=4.0.0.0
Name=...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
...ammers would simply avoid using those names for their own purposes.
The 1989 ANSI C standard introduced rules restricting what symbols an implementation could legally predefine. A macro predefined by the compiler could only have a name starting with two underscores, or with an underscore followed b...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
... Fastest
AMD Opteron 8350 gcc-4.8.1 0.704s 0.896s -O2
AMD FX-6300 gcc-4.8.1 0.392s 0.340s -Os
AMD E2-1800 gcc-4.7.2 0.740s 0.832s -O2
Intel Xeon E5405 gcc-4.8.1 ...