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PHP Fatal error: Using $this when not in object context

... @Sarfraz No offense, but it is still wrong. You can call an instance method with ::. It is against E_STRICT, but it does work as long as the method body does not reference the instance scope, e.g. uses $this. Also, self::foo will not point to $this->foo. It references a clas...
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Java Serializable Object to Byte Array

...Object); out.flush(); byte[] yourBytes = bos.toByteArray(); ... } finally { try { bos.close(); } catch (IOException ex) { // ignore close exception } } Create an object from a byte array: ByteArrayInputStream bis = new ByteArrayInputStream(yourBytes); ObjectInput in = null; tr...
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How do I intercept a method call in C#?

... like to have tracing functionality i.e. I would like to log every method call (method signature and actual parameter values) and every method exit (just the method signature). ...
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Is there any overhead to declaring a variable within a loop? (C++)

... Stack space for local variables is usually allocated in function scope. So no stack pointer adjustment happens inside the loop, just assigning 4 to var. Therefore these two snippets have the same overhead. ...
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How to set the authorization header using curl

... send authentication for OAuth 2: curl -H "Authorization: OAuth <ACCESS_TOKEN>" http://www.example.com share | improve this answer | follow | ...
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Get Enum from Description attribute [duplicate]

... value.ToString() is expensive, do not call it twice (.. if it matters)... – nawfal Jun 11 '13 at 1:26 ...
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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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SQL select join: is it possible to prefix all columns as 'prefix.*'?

...e is to assign a dummy column to separate each new table. This works especially well if you're looping through a result set for a list of columns in a scripting language such as Python or PHP. SELECT '' as table1_dummy, table1.*, '' as table2_dummy, table2.*, '' as table3_dummy, table3.* FROM table...
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How can I perform a `git pull` without re-entering my SSH password?

...use the key! Neither do I! Thankfully, there’s a nifty little tool called ssh-agent that can save your passphrase securely so you don’t have to re-enter it. If you’re on OSX Leopard or later your keys can be saved in the system’s keychain to make your life even easier. Most linu...
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When should use Readonly and Get only properties

...during the construction of an object (in the constructor). private string _name = "Foo"; // field for property Name; private bool _enabled = false; // field for property Enabled; public string Name{ // This is a readonly property. get { return _name; } } public bool Enabled{ // This is ...