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Difference between malloc and calloc?
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364
A less known difference is that in operating systems with optimistic memory allocation, like Li...
Shiro vs. SpringSecurity [closed]
...ften a joy to use.
For example, how do you hash+salt a password and base64 encode it in Java or Spring Security? Neither are as simple and intuitive as Shiro's solution:
ByteSource salt = new SecureRandomNumberGenerator().nextBytes();
new Sha512Hash(password, salt).toBase64();
No need for com...
How do I detect unsigned integer multiply overflow?
...nting mathematical positive integers, not positive integers mod 2^32 (or 2^64). The distinction between overflow as a deviation from mathematical infinite-sized integer behaviour, and overflow as an undefined behaviour in the language seems rarely to be made explicit.
– Chris J...
Volatile Vs Atomic [duplicate]
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Louis WassermanLouis Wasserman
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What is the best algorithm for overriding GetHashCode?
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Yup, Int64.GetHashCode does exactly that. In Java that would require boxing, of course. That reminds me - time to add a link to the book...
– Jon Skeet
Nov 4 '08 at 21:51
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Using npm behind corporate proxy .pac
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64
Look for the url of the pac file in internet explorer lan settings and download the pac file fr...
When to use AtomicReference in Java?
...n true) reference assignment (i.e. =) is itself atomic (updating primitive 64-bit types like long or double may not be atomic; but updating a reference is always atomic, even if it's 64 bit) without explicitly using an Atomic*.
See the Java Language Specification 3ed, Section 17.7.
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How to force HTTPS using a web.config file
...Startup.cs
app.UseHpkp(options => options
.Sha256Pins(
"Base64 encoded SHA-256 hash of your first certificate e.g. cUPcTAZWKaASuYWhhneDttWpY3oBAkE3h2+soZS7sWs=",
"Base64 encoded SHA-256 hash of your second backup certificate e.g. M8HztCzM3elUxkcjR2S5P4hhyBNf6lHkmjAHKhpGPWE=")
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How to detect Safari, Chrome, IE, Firefox and Opera browser?
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1764
Googling for browser reliable detection often results in checking the User agent string. This m...
How to return a file using Web API?
... RegforRegfor
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