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invalid multibyte char (US-ASCII) with Rails and Ruby 1.9
...ave you tried adding a magic comment in the script where you use non-ASCII chars? It should go on top of the script.
#!/bin/env ruby
# encoding: utf-8
It worked for me like a charm.
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impro...
How to make an OpenGL rendering context with transparent background?
...pragma comment (lib, "glu32.lib")
#include <assert.h>
#include <tchar.h>
#ifdef assert
#define verify(expr) if(!expr) assert(0)
#else verify(expr) expr
#endif
const TCHAR szAppName[]=_T("TransparentGL");
const TCHAR wcWndName[]=_T("WS_EX_LAYERED OpenGL");
HDC hDC;
HGLRC ...
What does it mean by buffer?
...ample. In a C program, for example, you might have:
#define BUFSIZE 1024
char buffer[BUFSIZE];
size_t len = ;
// ... later
while((len=read(STDIN, &buffer, BUFSIZE)) > 0)
write(STDOUT, buffer, len);
... which is a minimal version of cp(1). Here, the buffer array is used to store the ...
SQL SERVER: Get total days between two dates
...
It also proceeds datetime and datetime2 like a charm as I can see in my results.
– Honza P.
Feb 28 at 8:40
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Extracting substrings in Go
...ncluding whitespace), then process it. Using bufio.ReadString, the newline character is read together with the input, so I came up with the following code to trim the newline character:
...
Is sizeof(bool) defined in the C++ language standard?
...ndard puts notable emphasis on this fact.
§5.3.3/1, abridged:
sizeof(char), sizeof(signed char) and sizeof(unsigned char) are 1; the result of sizeof applied to any other fundamental type is implementation-defined. [Note: in particular, sizeof(bool) and sizeof(wchar_t) are implementation-defin...
How to compare Unicode characters that “look alike”?
...
In many cases, you can normalize both of the Unicode characters to a certain normalization form before comparing them, and they should be able to match. Of course, which normalization form you need to use depends on the characters themselves; just because they look alike doesn'...
C/C++获取Windows的CPU、内存、硬盘使用率 - C/C++ - 清泛网 - 专注C/C++及内核技术
...icalDriveStrings()函数获取所有驱动器字符串信息长度。
char* DStr = new char[DSLength];//用获取的长度在堆区创建一个c风格的字符串数组
GetLogicalDriveStrings(DSLength, (LPTSTR)DStr);
//通过GetLogicalDriveStrings将字符串信息复制到堆区数...
Error: free(): invalid next size (fast):
...
If you are trying to allocate space for an array of pointers, such as
char** my_array_of_strings; // or some array of pointers such as int** or even void**
then you will need to consider word size (8 bytes in a 64-bit system, 4 bytes in a 32-bit system) when allocating space for n pointers. ...
Clearing localStorage in javascript?
...rStorageExcept = function(exceptions) {
let keys = [];
exceptions = [].concat(exceptions); // prevent undefined
// get storage keys
$.each(localStorage, (key) => {
keys.push(key);
});
// loop through keys
for (let i = 0; i < keys.length; i++) {
let key = keys[i];
le...