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Getting the name of the currently executing method
...
Thread.currentThread().getStackTrace() will usually contain the method you’re calling it from but there are pitfalls (see Javadoc):
Some virtual machines may, under some circumstances, omit one or more stack frames from the stack trace. In the extreme case, a virtua...
Inspect attached event handlers for any DOM element
...k= handler or HTML <element onclick="handler"> can be retrieved trivially from the element.onclick property from script or in-debugger.
Event handlers attached using DOM Level 2 Events addEventListener methods and IE's attachEvent cannot currently be retrieved from script at all. DOM Level 3 ...
jQuery using append with effects
...h inline or external CSS script, or just create the div as
<div id="new_div" style="display: none;"> ... </div>
Then you can chain effects to your append (demo):
$('#new_div').appendTo('#original_div').show('slow');
Or (demo):
var $new = $('#new_div');
$('#original_div').append($...
How to disable / enable dialog negative positive buttons?
...ertDialog.Builder(MainActivity.this);
builder.setIcon(android.R.drawable.ic_dialog_info);
builder.setTitle("Alert dialog title");
builder.setMessage("This is the example code snippet to disable button if edittext attached to dialog is empty.");
builder.setPositiveButton("PositiveButton",
new...
Add single element to array in numpy
...swered Sep 7 '11 at 11:15
reader_1000reader_1000
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Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...若發生這個錯誤，讀者可能要檢查一下有沒有WINSOCK.DLL(或32位元版本的WSOCK32.DLL)這個檔案?這個檔存放的路徑正確嗎?
WSAVERNOTSUPPORTED (10092) 不支援的WinSock.DLL版本
錯誤發生的原因是在呼叫WSAStartup()函式時所指定的WinSock版本不被...
String difference in Bash
...e is some difference between the two strings?
– alpha_989
Aug 10 '17 at 15:28
@alpha_989 , here's your answer: $ diff ...
What is in your .vimrc? [closed]
Vi and Vim allow for really awesome customization, typically stored inside a .vimrc file. Typical features for a programmer would be syntax highlighting, smart indenting and so on.
...
Managing Sessions in Node.js? [closed]
... cut down on the amount of traffic between server and client machines.
If all else fails (or site is small) then what's stopping you write your own session class. Not that difficult. Especially if its an in memory type thing. Put some timer logic to time out sessions and there you go. Damn in a dyn...
What is an optional value in Swift?
...g and writing code more fluent. Unfortunately this obscures the way it actually works. I'll go through some of the tricks later.
Note: I'll be talking about optional variables a lot, but it's fine to create optional constants too. I mark all variables with their type to make it easier to understand ...