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How to test that no exception is thrown?
...ong, it's in your current layer (assuming the lower layers don't throw any errors themselves).
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Format a datetime into a string with milliseconds
...%Y-%m-%d %H:%M:%S.%f')[:-3]
>>>> OUTPUT >>>>
2020-05-04 10:18:32.926
Note: For Python3, print requires parentheses:
print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
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How can I use “sizeof” in a preprocessor macro?
...of(someThing) equals PAGE_SIZE; otherwise they will produce a compile-time error.
1. C11 way
Starting with C11 you can use static_assert (requires #include <assert.h>).
Usage:
static_assert(sizeof(someThing) == PAGE_SIZE, "Data structure doesn't match page size");
2. Custom macro
If you...
python exception message capturing
This doesn't seem to work, I get syntax error, what is the proper way of doing this for logging all kind of exceptions to a file
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How to use QueryPerformanceCounter?
...
#include <windows.h>
double PCFreq = 0.0;
__int64 CounterStart = 0;
void StartCounter()
{
LARGE_INTEGER li;
if(!QueryPerformanceFrequency(&li))
cout << "QueryPerformanceFrequency failed!\n";
PCFreq = double(li.QuadPart)/1000.0;
QueryP...
Emacs on Mac OS X Leopard key bindings
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answered Oct 2 '08 at 16:05
mike511mike511
1,44133 gold badges1515 silver badges1818 bronze badges
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Why shouldn't I use mysql_* functions in PHP?
...pared statements is particularly important as they provide a clearer, less error-prone method of escaping and quoting external data than manually escaping it with a separate function call.
See the comparison of SQL extensions.
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c++ 写日志通用类，可设置日志级别 - C/C++ - 清泛网 - 专注C/C++及内核技术
...h>
#pragma warning(disable:4996)
#define LEVEL_FATAL 0
#define LEVEL_ERROR 1
#define LEVEL_WARN 2
#define LEVEL_INFO 3
#define LEVEL_VERBOSE 4
#define LEVEL_DEBUG 5
static int nLoggerLevel = LEVEL_INFO;
void SetLoggerLevel(int nLevel);
void Log(int nLevel, LPCSTR func, INT line, L...
Python nonlocal statement
... to that.
If you specify nonlocal and there is no "x", it will give you an error message.
The keyword global has always seemed strange to me since it will happily ignore all the other "x" except for the outermost one. Weird.
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How to tell if a tag failed to load
... be able to tell whether the loading failed in some way -- a 404, a script error in the loaded script, whatever.
16 Answers...