大约有 40,000 项符合查询结果（耗时：0.0454秒） [XML]
How can I make SQL case sensitive string comparison on MySQL?
...tion that returns five characters with mixed case. If I do a query on this string it will return the value regardless of case.
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What are the use cases for selecting CHAR over VARCHAR in SQL?
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What is the difference with the string FooBar and varchar(100) vs char(100)? I'm thinking that demonstrates the difference better, yes? No?
– Joel Peltonen
May 21 '14 at 11:22
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How to print a int64_t type in C
... like SCNd64.
A typical definition of PRIu16 would be "hu", so implicit string-constant concatenation happens at compile time.
For your code to be fully portable, you must use PRId32 and so on for printing int32_t, and "%d" or similar for printing int.
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print call stack in C or C++
...tdio.h>
#include <execinfo.h>
void print_trace(void) {
char **strings;
size_t i, size;
enum Constexpr { MAX_SIZE = 1024 };
void *array[MAX_SIZE];
size = backtrace(array, MAX_SIZE);
strings = backtrace_symbols(array, size);
for (i = 0; i < size; i++)
pr...
How do I check if a given string is a legal/valid file name under Windows?
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This does not answer the question; there are many strings consisting only of valid characters (e.g. "....", "CON", strings hundreds of chars long) that are not valid filenames.
– Dour High Arch
Jul 21 '13 at 17:57
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How does Stack Overflow generate its SEO-friendly URLs?
...uted
/// by John Gietzen (user otac0n)
/// </summary>
public static string URLFriendly(string title)
{
if (title == null) return "";
const int maxlen = 80;
int len = title.Length;
bool prevdash = false;
var sb = new StringBuilder(len);
char c;
for (int i = 0; i &...
Useful GCC flags for C
... not occur. (The value 5 may be too strict, see the manual page.)
-Wwrite-strings: give string constants the type const char[length] so that copying the address of one into a non-const char * pointer will get a warning.
-Waggregate-return: warn if any functions that return structures or unions are ...
Best practices for circular shift (rotate) operations in C++
...n-circular shifts work on that target.
Current x86 compilers still use an extra instruction to mask a variable count for 8 and 16-bit rotates, probably for the same reason they don't avoid the AND on ARM. This is a missed optimization, because performance doesn't depend on the rotate count on any ...
Omitting all xsi and xsd namespaces when serializing an object in .NET?
...overriding the namespace for each element, and replacing it with the empty string, you've stripped the namespaces from the output.
public class NoNamespaceXmlWriter : XmlTextWriter
{
//Provide as many contructors as you need
public NoNamespaceXmlWriter(System.IO.TextWriter output)
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Removing colors from output
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This one worked nicely to string colour out of Azure az cli prettified output.
– volvox
Oct 4 '19 at 13:56
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