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Best practice for storing and protecting private API keys in applications [closed]
...mote attestation techniques), and it receives a time limited (usually JWT) token signed by the secret.
The token is sent with each API call where the endpoint can verify its signature before acting on the request.
The actual secret is never present on the device; in fact, the app never has any id...
In C#, why is String a reference type that behaves like a value type?
...e (in all implementations of the CLR as of yet) stored on the stack. Stack allocating strings would break all sorts of things: the stack is only 1MB for 32-bit and 4MB for 64-bit, you'd have to box each string, incurring a copy penalty, you couldn't intern strings, and memory usage would balloon, et...
Adding a UILabel to a UIToolbar
...
Have a look into this
[[UIBarButtonItem alloc] initWithCustomView:yourCustomView];
Essentially every item must be a "button" but they can be instantiated with any view you require. Here is some example code. Note, since other buttons are typically on the toolbar,...
Grab a segment of an array in Java without creating a new array on heap
...on't know of a way to do this directly with arrays without additional heap allocation, but the other answers using a sub-list wrapper have additional allocation for the wrapper only – but not the array – which would be useful in the case of a large array.
That said, if one is looking for bre...
Should arrays be used in C++?
...to use traditional C arrays in C++, or should they be avoided, just like malloc ?
11 Answers
...
Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
... 00000013 080480f4 080480f4 000000f4 2**0
CONTENTS, ALLOC, LOAD, READONLY, DATA
1 .note.ABI-tag 00000020 08048108 08048108 00000108 2**2
CONTENTS, ALLOC, LOAD, READONLY, DATA
2 .hash 000000d4 08048128 08048128 00000128 2**2
...
Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar
... title of previous screen)
UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"back_arrow.png"]
style:UIBarButtonItemStyleBordered
targe...
Android emulator failed to allocate memory 8
...e it starts working. Source: stackoverflow.com/questions/7222906/failed-to-allocate-memory-8
– Juha Palomäki
Oct 7 '13 at 12:55
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show 1 mo...
Split string in Lua?
...
If you just want to iterate over the tokens, this is pretty neat:
line = "one, two and 3!"
for token in string.gmatch(line, "[^%s]+") do
print(token)
end
Output:
one,
two
and
3!
Short explanation: the "[^%s]+" pattern matches to every non-empty string in ...
Prevent direct access to a php include file
...ed):
$includeData = file_get_contents("http://127.0.0.1/component.php?auth=token");
// In the include files (where direct access isn't permitted):
$src = $_SERVER['REMOTE_ADDR']; // Get the source address
$auth = authoriseIP($src); // Authorisation algorithm
if( !$auth ) exit('Restricted Access');
...