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Calling a function within a Class method?
...
example 1
class TestClass{
public function __call($name,$arg){
call_user_func($name,$arg);
}
}
class test {
public function newTest(){
function bigTest(){
echo 'Big Test Here';
}
function smallTest(){
e...
Struct like objects in Java
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So use overloading... private int _x; public void x(int value) { _x = value; } public int x() { return _x; }
– Gordon
Jan 7 '12 at 20:44
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What's a reliable way to make an iOS app crash?
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Since we all use Clang for iOS, this is fairly reliable:
__builtin_trap();
This has the benefit that it's designed for exactly this purpose, so it shouldn't generate any compiler warnings or errors.
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Django: accessing session variables from within a template?
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You need to add django.core.context_processors.request to your template context processors. Then you can access them like this:
{{ request.session.name }}
In case you are using custom views make sure you are passing a RequestContext instance. Example taken ...
How to use a servlet filter in Java to change an incoming servlet request url?
...ress bar).
Register the filter in web.xml on an url-pattern of /* or /Check_License/*, depending on the context path, or if you're on Servlet 3.0 already, use the @WebFilter annotation for that instead.
Don't forget to add a check in the code if the URL needs to be changed and if not, then just ca...
cv2.imshow command doesn't work properly in opencv-python
... only works with waitKey():
import cv2
img = cv2.imread('C:/Python27/03323_HD.jpg')
cv2.imshow('ImageWindow', img)
cv2.waitKey()
(The whole message-loop necessary for updating the window is hidden in there.)
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Pandas count(distinct) equivalent
...if I have multiple columns that I want to be unique together, like in .drop_duplicates(subset=['col1','col2'])?
– ErnestScribbler
Oct 2 '17 at 8:10
4
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C# 通过代码安装、卸载、启动、停止服务 - .NET(C#) - 清泛IT论坛，有思想、有深度
...sp; IDictionary _SavedState = new Hashtable();
ServiceController service = new ServiceController(serviceName);
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MySQL Orderby a number, Nulls last
...ASC.
A good reference is here http://troels.arvin.dk/db/rdbms#select-order_by
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How to pass parameters to ThreadStart method in Thread?
...legate to execute the thread function.
public class Download
{
string _filename;
Download(string filename)
{
_filename = filename;
}
public void download(string filename)
{
//download code
}
}
Download = new Download(filename);
Thread thread = new Thread...