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How to detect total available/free disk space on the iPhone/iPad device?
...I have written a class to get available/used memory using Swift.
Demo at: https://github.com/thanhcuong1990/swift-disk-status
Swift 4 updated.
import UIKit
class DiskStatus {
//MARK: Formatter MB only
class func MBFormatter(_ bytes: Int64) -> String {
let formatter = ByteCount...
使用CSplitterWnd实现拆分窗口（多视图显示） - C/C++ - 清泛网 - 专注C/C++及内核技术
...法就可以生成具有自己个性的分割窗口了。
来源：http://www.cnblogs.com/feisky/archive/2010/03/07/1680222.html
另外参考：
用MFC将SDI窗口三叉拆分并初始化各个View
最近做MFC界面，发现《深入浅出MFC》等很多资料里只是教我们如何将窗...
When is JavaScript's eval() not evil?
...
Well, use HTTPS, then. OTOH: man-in-the-middle is not the typical attack scenario for the garden variety web app, whereas i.e. cross-site-scripting is.
– Tomalak
Dec 15 '09 at 18:50
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Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?
...ng been considered a bad thing in the Unix world (see, for example, http://www.faqs.org/faqs/unix-faq/faq/part2/section-13.html). I assume the Ruby folks have been persuaded of the wisdom of not doing that.
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Rails - How to use a Helper Inside a Controller
...d it's own answer since it's the cleanest and easier solution.
Reference: https://github.com/rails/rails/pull/24866
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Any gotchas using unicode_literals in Python 2.6?
...\xc3' in file mumble.py on line 198,
but no encoding declared; see http://www.python.org/peps/pep-0263.html
for details
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Is C++ context-free or context-sensitive?
...possible, and a Type-0 grammar is provided in the answer to this question: https://math.stackexchange.com/questions/163830/context-sensitive-grammar-for-the-copy-language .
If one were to attempt to write a context-sensitive (or unrestricted) grammar to parse C++, it would quite possibly fill the u...
Data access object (DAO) in Java
...org/wiki/Data_access_object
Check also the sequence diagram here:
http://www.oracle.com/technetwork/java/dataaccessobject-138824.html
Maybe a simple example can help you understand the concept:
Let's say we have an entity to represent an employee:
public class Employee {
private int id;
...
How to find a hash key containing a matching value
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According to ruby doc http://www.ruby-doc.org/core-1.9.3/Hash.html#method-i-key key(value) is the method to find the key on the base of value.
ROLE = {"customer" => 1, "designer" => 2, "admin" => 100}
ROLE.key(2)
it will return the "designer"...
CSS background image to fit width, height should auto-scale in proportion
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Based on tips from https://developer.mozilla.org/en-US/docs/CSS/background-size I end up with the following recipe that worked for me
body {
overflow-y: hidden ! important;
overflow-x: hidden ! important;
background-col...