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PHP session lost after redirect
...written anywhere
Make sure you redirect to the same domain. So redirecting from a www.yourdomain.com to yourdomain.com doesn't carry the session forward.
Make sure your file extension is .php (it happens!)
Now, these are the most common mistakes, but if they didn't do the trick, the problem is mos...
Python try-else
...do if the first operation succeeds, and you don't want to catch an IOError from that operation, you might write something like this:
try:
operation_that_can_throw_ioerror()
except IOError:
handle_the_exception_somehow()
else:
# we don't want to catch the IOError if it's raised
anoth...
What is the use of a private static variable in Java?
...f a variable is declared as public static varName; , then I can access it from anywhere as ClassName.varName . I am also aware that static members are shared by all instances of a class and are not reallocated in each instance.
...
How to declare a local variable in Razor?
...lps you to have at first a cleaner code and also you can prevent your page from loading many times different blocks of codes
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What does O(log n) mean exactly?
...e the running times of some operations we might perform on the phone book, from fastest to slowest:
O(1) (in the worst case): Given the page that a business's name is on and the business name, find the phone number.
O(1) (in the average case): Given the page that a person's name is on and their na...
Git On Custom SSH Port
...
When you want a relative path from your home directory (on any UNIX) you use this strange syntax:
ssh://[user@]host.xz[:port]/~[user]/path/to/repo
For Example, if the repo is in /home/jack/projects/jillweb on the server jill.com and you are logging in a...
Linq Query keeps throwing “Unable to create a constant value of type System.Object…”, Why?
...ion Object "User" with integer data type "userid" (x.User.Equals(userid))
from user in myshop.UserPermissions.Where(x => x.IsDeleted == false && x.User.Equals(userid))
and correct Query is x.UserId.Equals(userid)
from user in myshop.UserPermissions.Where(x => x.IsDeleted == false &...
How to adjust an UIButton's imageSize?
...
You can also do that from inteface builder like this.
I think it's helpful.
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JavaScript checking for null vs. undefined and difference between == and ===
...nse would be "null", since it definitely should return something different from typeof undefined. null represents a null object reference, which, at the very least, means the variable holding it is meant for some type of 'object'. If it was a mistake, it was a good mistake. Anyway, in regards to ...
Change default timeout for mocha
...t work
// tests...
});
This is because an arrow function takes this from the scope the function appears in. Mocha will call the function with a good value for this but that value is not passed inside the arrow function. The documentation for Mocha says on this topic:
Passing arrow functio...