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Prevent user from seeing previously visited secured page after logout
...resence of the logged-in user.
Don't forget to clear browser cache before testing! ;)
See also:
Authentication filter and servlet for login
How to control web page caching, across all browsers?
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How to add spacing between UITableViewCell
...ntView of your cell. Here is a screen shot of a prototype I did in another test project when I was simulating this:
Here is some code (Note: there are lots of hard coded values for demonstration purposes)
First, I needed to set the heightForRowAtIndexPath to allow for different heights on the UI...
Simple way to calculate median with MySQL
...urning an empty set, but this query worked for me in all situations that I tested it on:
SELECT x.val from data x, data y
GROUP BY x.val
HAVING SUM(SIGN(1-SIGN(y.val-x.val)))/COUNT(*) > .5
LIMIT 1
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How to make an OpenGL rendering context with transparent background?
... Y.).
The end result can be seen in the image below:
The code has been tested on Windows XP (32-bits) and Windows 8.1 (32-bits).
Enjoy!
#define _WIN32_WINNT 0x0500
#include <windows.h>
#include <windowsx.h>
#include <GL/gl.h>
#include <GL/glu.h>
#pragma comment (lib, "...
How to do relative imports in Python?
...
then, one day, need to change name of app to test_app. what would happen? You will need to change all the source codes, import app.package_b.module_b --> test_app.package_b.module_b. this is absolutely BAD practice... And we should try to use relative import within t...
How to retrieve an element from a set without removing it?
...formance might be important). As already shown by the other answers the fastest way is ForLoop.
However as long as one of the constant time approaches is used the performance difference will be negligible.
iteration_utilities (Disclaimer: I'm the author) contains a convenience function for this ...
Check if object is file-like in Python
... explicitly. The whole EAFP, duck typing thing is not some bullshit purity test. It's an actual egineering decision,
– drxzcl
Jan 21 '18 at 19:29
1
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How do I round to the nearest 0.5?
...
There are several options. If performance is a concern, test them to see which works fastest in a large loop.
double Adjust(double input)
{
double whole = Math.Truncate(input);
double remainder = input - whole;
if (remainder < 0.3)
{
remainder = 0;
...
Get exception description and stack trace which caused an exception, all as a string
... return foo()
We get the following output when we call bar():
File "./test.py", line 57, in <module>
bar()
File "./test.py", line 55, in bar
return foo()
File "./test.py", line 50, in foo
something_invalid()
<class 'NameError'> name 'something_invalid' is not defi...
How to run a PowerShell script from a batch file
...>>),
example:
@echo off
set WD=%~dp0
ECHO New-Item -Path . -Name "Test.txt" -ItemType "file" -Value "This is a text string." -Force > "%WD%PSHELLFILE.ps1"
ECHO add-content -path "./Test.txt" -value "`r`nThe End" >> "%WD%PSHELLFILE.ps1"
powershell.exe -ExecutionPolicy Bypass -File "...