大约有 40,000 项符合查询结果（耗时：0.0397秒） [XML]
Why do we use __init__ in Python classes?
... above..couldn't the developer just have added in his main code 'left=foo',etc..
– Lostsoul
Dec 22 '11 at 20:10
You me...
“Keep Me Logged In” - the best approach
... hash_hmac('sha256', $cookie, SECRET_KEY);
$cookie .= ':' . $mac;
setcookie('rememberme', $cookie);
}
Then, to validate:
function rememberMe() {
$cookie = isset($_COOKIE['rememberme']) ? $_COOKIE['rememberme'] : '';
if ($cookie) {
list ($user, $token, $mac) = explode(':', ...
What does O(log n) mean exactly?
...roportionally...and the same goes for, for example, quadratic time O(n2) etc..even algorithms, such as permutation generators, with O(n!) times, that grow by factorials.
...
c++文件流基本用法(ifstream, ostream,fstream) - C/C++ - 清泛网 - 专注C/C++及内核技术
...write函数来读写文件。可参见：
https://www.tsingfun.com/it/cpp/all_programming_language_file_read_write_summary.html#C
c++ ,文件流,ifstream, ostream,fstream
win10启动过程中黑屏时间长的解决办法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
3.重启电脑。
“EnableUlps” parameter is now set to zero for all AMD cards.
Disabling this parameter should fix Delayed Startup/BSODS on many laptops.
原来整合包就是通过关闭ulps解决开机延迟的问题。ULPS全称Ultra Low Power State，ULPS是休眠状态 ，降低非...
Detecting Unsaved Changes
...
I like the approach of comparing defaultValue etc properties rather than setting a dirty bit. This means that if someone changes a field, then changes it back, then the form will not report as dirty.
– thelem
Jun 26 '14 at 15:04
...
Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
...ard is limited in what it can say because it doesn't know about 'execve()' etc. The POSIX standard (opengroup.org/onlinepubs/9699919799/functions/execve.html) has more to say - making it clear that what is in argv[0] is at the whim of the process the executes the 'execve()' (or related) system call...
Adding git branch on the Bash command prompt
...bash-completion
2- Edit your .bashrc file and check (or add) :
if [ -f /etc/bash_completion ]; then
. /etc/bash_completion
fi
3- ... before your prompt line : export PS1='$(__git_ps1) \w\$ '
(__git_ps1 will show your git branch)
4- do source .bashrc
EDIT :
Further readings : Don’t Re...
Printf width specifier to maintain precision of floating-point value
...guous-ness needs 17 as the precision changes in a binary number (at 2,4,8, etc.) and a decimal number (at 10,100,1000, etc.) are never at the same number (except 1.0). Example: the 2 double values just above 0.1 : 1.000_0000_0000_0000_2e-01, 1.000_0000_0000_0000_3e-01 need 17 digits to distinguish....
What is the 'new' keyword in JavaScript?
...ral (functions default to Function.prototype, numbers to Number.prototype, etc.). It can only be read with Object.getPrototypeOf(someObject). There is no other way to set or read this value.
Functions, in addition to the hidden [[prototype]] property, also have a property called prototype, and it i...