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How to write a large buffer into a binary file in C++, fast?
...;
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I just timed 8GB in 36sec, which is about 220MB/s and I think that maxes out my SSD. Also worth to note, the code in the question used one core 100%, whereas this code only uses 2-5%.
Thanks a lot to everyone.
Update: 5 years have passed it's 2017 now. Compilers, hardware, libraries and my r...
Generic type parameter naming convention for Java (with multiple chars)?
...name.
The most commonly used type parameter names are:
E - Element (used extensively by the Java Collections Framework)
K - Key
N - Number
T - Type
V - Value
S,U,V etc. - 2nd, 3rd, 4th types
You'll see these names used throughout the Java SE API and the rest of this lesson.
I'd stick to it to avo...
Java HTTPS client certificate authentication
I'm fairly new to HTTPS/SSL/TLS and I'm a bit confused over what exactly the clients are supposed to present when authenticating with certificates.
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How to make Twitter Bootstrap menu dropdown on hover rather than click
... having to click the menu title. I'd also like to lose the little arrows next to the menu titles.
43 Answers
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When to use Preorder, Postorder, and Inorder Binary Search Tree Traversal strategies
...-order, in-order and post-order for a binary tree, you have to understand exactly how each traversal strategy works. Use the following tree as an example.
The root of the tree is 7, the left most node is 0, the right most node is 10.
Pre-order traversal:
Summary: Begins at the root (7), end...
How do malloc() and free() work?
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There are many different optimizations to this standard behaviour (for example for small chunks of memory). But since malloc and free must be so universal, the standard behaviour is always the fallback when alternatives are not usable. There are also optimizations in handling the free-list — fo...
Regular expression for floating point numbers
...ask to match floating point numbers. I have written the following regular expression for it:
12 Answers
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Why am I getting a “401 Unauthorized” error in Maven?
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I've had similar errors when trying to deploy a Gradle artefact to a Nexus Sonatype repository. You will get a 401 Unauthorized error if you supply the wrong credentials (password etc). You also get an error (and off the top of my head is also a 401) if you try to publish something to a releas...
How to deploy correctly when using Composer's develop / production switch?
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I agree with most of what is said with one exception. "composer install --no-dev" should be executed only in a staging environment and that environment should be considered immutable. I wouldn't want to have any dependency downloaded directly at my production server...
Android OpenGL ES and 2D
...I've spent over a month browsing Google and reading/trying some tutorials/examples I've found anywhere but to be honest, it didn't help much and this is for two reasons:
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