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Difference between malloc and calloc?
...em with virtual memory.)
Some compilers even can optimize malloc + memset(0) into calloc for you, but you should use calloc explicitly if you want the memory to read as 0.
If you aren't going to ever read memory before writing it, use malloc so it can (potentially) give you dirty memory from its i...
Best practices for overriding isEqual: and hash
...ery primitive you do
result = prime * result + var
For objects you use 0 for nil and otherwise their hashcode.
result = prime * result + [var hash];
For booleans you use two different values
result = prime * result + ((var)?1231:1237);
Explanation and Attribution
This is not tcurdt's ...
S3 Error: The difference between the request time and the current time is too large
... Mark At Ramp51Mark At Ramp51
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Secure random token in Node.js
...ar token = buffer.toString('hex');
});
The 'hex' encoding works in node v0.6.x or newer.
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Hashing a dictionary?
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edited Jul 26 '19 at 10:04
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answered May ...
Received fatal alert: handshake_failure through SSLHandshakeException
...s : jks
keyStore provider is :
init keystore
init keymanager of type SunX509
trustStore is: C:\Java\jdk1.6.0_21\jre\lib\security\cacerts
trustStore type is : jks
trustStore provider is :
If the wrong truststore is used, then you'll need to re-import the server's certificate to the right one, or ...
How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
...
190
The best way is to check the type, because undefined/null/false are a tricky thing in JS.
So:
i...
“Default Activity Not Found” on Android Studio upgrade
I upgraded IntelliJ Idea from 12.0.4 to 12.10.
73 Answers
73
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Is the buildSessionFactory() Configuration method deprecated in Hibernate
When I updated the Hibernate version from 3.6.8 to 4.0.0, I got a warning about deprecated method buildSessionFactory() in this line:
...
StringLength vs MaxLength attributes ASP.NET MVC with Entity Framework EF Code First
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205
MaxLength is used for the Entity Framework to decide how large to make a string value field whe...