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How do you read CSS rule values with JavaScript?
...les || []));
const allRules = ruleArrays.reduce((all, x) => all.concat(x), []);
return allRules.filter((x) => containsAny(normalize(x.selectorText), logicalORs));
};
})();
Here's it in action from the Chrome console.
...
How to see log files in MySQL?
...nish
When general log is enabled, try:
sudo tail -f $(mysql -Nse "SELECT CONCAT(@@datadir, @@general_log_file)")
To use mysql with the password access, add -p or -pMYPASS parameter. To to keep it remembered, you can configure it in your ~/.my.cnf, e.g.
[client]
user=root
password=root
So it...
How can I unit test Arduino code?
...:
void begin(unsigned long);
void end();
size_t write(const unsigned char*, size_t);
};
extern FakeSerial Serial;
fake_serial.cpp
#include <cstring>
#include <iostream>
#include <iomanip>
#include "fake_serial.h"
void FakeSerial::begin(unsigned long speed) {
return;
}...
Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
...retty one..
template< class T >
struct GetPrintfID
{
static const char* id;
};
template< class T >
const char* GetPrintfID< T >::id = "%u";
template<>
struct GetPrintfID< unsigned long long > //or whatever the 64bit unsigned is called..
{
static const char* id;
...
How to prevent browser to invoke basic auth popup and handle 401 error using Jquery?
... xhr.setRequestHeader('Authorization', ("Basic "
.concat(btoa(key))));
xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
},
share
|
...
How to list files in a directory in a C program?
... function to print the content of a given folder */
void show_dir_content(char * path)
{
DIR * d = opendir(path); // open the path
if(d==NULL) return; // if was not able return
struct dirent * dir; // for the directory entries
while ((dir = readdir(d)) != NULL) // if we were able to read so...
Converting any string into camel case
...elcase/5 . Care to contribute a version that can handle (remove) non-alpha chars? camelize("Let's Do It!") === "let'SDoIt!" sad face. I'll try myself but fear I will just add another replace.
– Orwellophile
May 19 '15 at 7:22
...
Why the switch statement cannot be applied on strings?
... really support strings as a type. It does support the idea of a constant char array but it doesn't really fully understand the notion of a string.
In order to generate the code for a switch statement the compiler must understand what it means for two values to be equal. For items like ints and...
c++提取复数的实部和虚部 - C/C++ - 清泛网 - 专注C/C++及内核技术
...// 实部
REAL i; // 虚部
};
bool Parse(COMPLEX * cp, const char * strCplx, const int len)
{
memset(cp, 0, sizeof(COMPLEX));
char buf[MAX_BUF_LEN];
int signPos = -1, // +/-号位置
iPos = -1; // 结尾的i的位置
for (int i = len-1; i >-1;...
Binary Data in MySQL [closed]
..._data (
id INT(4) NOT NULL AUTO_INCREMENT PRIMARY KEY,
description CHAR(50),
bin_data LONGBLOB,
filename CHAR(50),
filesize CHAR(50),
filetype CHAR(50)
);
Here is a PHP example:
<?php
// store.php3 - by Florian Dittmer <dittmer@gmx.net>
// Example php scri...