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AES Encryption for an NSString on the iPhone
Can anybody point me in the right direction to be able to encrypt a string, returning another string with the encrypted data? (I've been trying with AES256 encryption.) I want to write a method which takes two NSString instances, one being the message to encrypt and the other being a 'passcode' to e...
best practice to generate random token for forgot password
...id() only adds up to 29 bits of entropy
md5() doesn't add entropy, it just mixes it deterministically
Since a 56-bit DES key can be brute-forced in about 24 hours, and an average case would have about 59 bits of entropy, we can calculate 2^59 / 2^56 = about 8 days. Depending on how this token veri...
How can I install pip on Windows?
... experience remains frustrating. I discuss this in the Stack Overflow question Does Python have a package/module management system?.
And, alas for everyone using Python 2.7.8 or earlier (a sizable portion of the community). There's no plan to ship Pip to you. Manual instructions follow.
Python 2 ...
Coroutine vs Continuation vs Generator
...s in the language or emulated somehow, lexing and parsing code needs to be mixed together even though they're really two separate concerns. But using a coroutine, you can separate out the lexing and parsing code.
(I'm going to brush over the difference between symmetric and asymmetric coroutines. S...
Validating an XML against referenced XSD in C#
I have an XML file with a specified schema location such as this:
5 Answers
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Declaring variables inside loops, good practice or bad practice?
...he name of the variable is a bit "generic" (like "i"), there is no risk to mix it with another variable of same name somewhere later in your code (can also be mitigated using the -Wshadow warning instruction on GCC)
The compiler knows that the variable scope is limited to inside the loop, and theref...
Exploitable PHP functions
...s. A Study In Scarlet and RATS. I have also added some of my own to the mix and people on this thread have helped out.
Edit: After posting this list I contacted the founder of RIPS and as of now this tools searches PHP code for the use of every function in this list.
Most of these function call...
Cross-browser custom styling for file upload button [duplicate]
...any really solid ways to do this without JS. I did find two other questions about this subject, but the answers there either involved JavaScript, or suggested Quirksmode's approach .
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Chaining multiple filter() in Django, is this a bug?
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You seem to be mixed up between "matches" and "filters out". If you stuck to "this query returns" it would be a lot clearer.
– OrangeDog
Jan 3 '18 at 11:01
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Is there a pattern for initializing objects created via a DI container
...r this situation, you need to revisit your design and determine if you are mixing your stateful/data objects with your pure services. In most (not all) cases, you will want to keep these two types of objects separate.
If you do need a context-specific parameter passed in the constructor, one optio...