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Favorite Django Tips & Features?

...cated within the Django project directory: # settings.py import os PROJECT_DIR = os.path.dirname(__file__) ... STATIC_DOC_ROOT = os.path.join(PROJECT_DIR, "static") ... TEMPLATE_DIRS = ( os.path.join(PROJECT_DIR, "templates"), ) Credits: I got this tip from the screencast 'Django From the Gro...
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MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...风格为report相关类及处理函数MFC:CListCtrl类SDK:以 ListView_开头的一些宏。如 ListView_InsertCol 以下未经说明,listctrl默认view 风格为report 相关类及处理函数 MFC:CListCtrl类 SDK:以 “ListView_”开头的一些宏。如 ListView_InsertColumn ...
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Custom UITableViewCell from nib in Swift

...) } // MARK: - UITableViewDataSource override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int { return items.count } override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { ...
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ActiveModel::ForbiddenAttributesError when creating new user

...ntroller < ApplicationController def create @user = User.new(user_params) # ... end private def user_params params.require(:user).permit(:username, :email, :password, :salt, :encrypted_password) end end ...
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Unexpected Caching of AJAX results in IE8

... not as simple to solve. The trick is to use Sys.Net.WebRequestManager.add_invokingRequest method in the event handler change the request url: networkRequestEventArgs._webRequest._url = networkRequestEventArgs._webRequest._url + '&nocache=' + new Date().getMilliseconds(); I've blogged about...
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How do getters and setters work?

...yClass { private $firstField; private $secondField; public function __get($property) { if (property_exists($this, $property)) { return $this->$property; } } public function __set($property, $value) { if (property_exists($this, $property)) { $this->$property ...
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Which is faster in Python: x**.5 or math.sqrt(x)?

... In python 2.6 the (float).__pow__() function uses the C pow() function and the math.sqrt() functions uses the C sqrt() function. In glibc compiler the implementation of pow(x,y) is quite complex and it is well optimized for various exceptional cases...
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What is a memory fence?

...annot cache the variable value. The Linux kernel uses a gcc extension (asm __volatile__("": : :"memory")) to create a full compiler optimization barrier. – CesarB Nov 13 '08 at 10:36 ...
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How do I clone a job in Jenkins?

...wered May 23 '14 at 21:12 gareth_bowlesgareth_bowles 19.5k55 gold badges5151 silver badges7777 bronze badges ...
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Finding the type of an object in C++

... dynamic_cast should do the trick TYPE& dynamic_cast<TYPE&> (object); TYPE* dynamic_cast<TYPE*> (object); The dynamic_cast keyword casts a datum from one pointer or reference type to another, performing a runtime...