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How can I create a copy of an object in Python?
...eepcopy(c)
d.x[0] = 3
assert c.x == [1]
assert d.x == [3]
Documentation: https://docs.python.org/3/library/copy.html
Tested on Python 3.6.5.
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MD5 algorithm in Objective-C
... snippet...
These methods are verified using the NIST MD5 test vectors in
http://www.nsrl.nist.gov/testdata/
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If table exists drop table then create it, if it does not exist just create it
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Override setter with arc
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Underscore prefix for property and method names in JavaScript
...that consensus, implementations are moving forward on this proposal.
See https://caniuse.com/#feat=mdn-javascript_classes_private_class_fields
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In which case do you use the JPA @JoinTable annotation?
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how to delete all cookies of my website in php
... all of the cookies for your domain:
// unset cookies
if (isset($_SERVER['HTTP_COOKIE'])) {
$cookies = explode(';', $_SERVER['HTTP_COOKIE']);
foreach($cookies as $cookie) {
$parts = explode('=', $cookie);
$name = trim($parts[0]);
setcookie($name, '', time()-1000);
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未能从“const std::string”为“const std::_Tree &”推导 模板 参数 - C/...
未能从“const std::string”为“const std::_Tree &”推导 模板 参数参考：http: www tsingfun com html 2016 dev_0630 1876 html参考：https://www.tsingfun.com/it/cpp/1876.htmlstl 模板 参数
MFC 日期时间控件CDateTimeCtrl自绘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...期时间控件CDateTimeCtrl自绘先看效果：方法同ComboBox自绘（http: www.tsingfun.com html 2016 code_1110 100.html），采用图片拼接的方式，本例实现较基础仍有细节待...先看效果：
方法同ComboBox自绘（https://www.tsingfun.com/down/code/100.html），...
Inject errors into already validated form?
...rm.add_error() instead of accessing form._errors directly.
Documentation: https://docs.djangoproject.com/en/stable/ref/forms/api/#django.forms.Form.add_error
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