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Stack vs heap allocation of structs in Go, and how they relate to garbage collection
...o and I'm experiencing a bit of congitive dissonance between C-style stack-based programming where automatic variables live on the stack and allocated memory lives on the heap and and Python-style stack-based-programming where the only thing that lives on the stack are references/pointers to objects...
Regex to get string between curly braces
...er at the string length minus one. This works because the position is zero-based, i.e. g.length-1 is the last position.
For readers other than the original poster: If it has to be a regex, use /{([^}]*)}/ if you want to allow empty strings, or /{([^}]+)}/ if you want to only match when there is at ...
Why generate long serialVersionUID instead of a simple 1L?
...object.
If the ID is omitted, Java will actually calculate the ID for you based on fields of the object, but I believe it is an expensive process, so providing one manually will improve performance.
Here's are a couple of links to articles which discuss serialization and versioning of classes:
J...
The transaction manager has disabled its support for remote/network transactions
...t the "Distributed Transaction Coordinator" Service is
running on both database and client.
Also make sure you check "Network DTC Access", "Allow Remote Client",
"Allow Inbound/Outbound" and "Enable TIP".
To enable Network DTC Access for MS DTC transactions
Open the Component Services snap-in.
T...
Drawing a dot on HTML5 canvas [duplicate]
...entation in my example is actually at least twice as fast as the ImageData based double buffering approach.
At least for my scenario it seems that the built-in ctx.getImageData/ctx.putImageData is in fact unbelievably SLOW. (It would be interesting to know the percentage of pixels that need to be ...
How do I choose grid and block dimensions for CUDA kernels?
... size can impact performance and suggest a common heuristic for its choice based on occupancy maximization. Without wanting to provide the criterion to choose the block size, it would be worth mentioning that CUDA 6.5 (now in Release Candidate version) includes several new runtime functions to aid i...
How does Python manage int and long?
...agine what happens when you insert 100000000000000000000000 in your Python-based Entry... :P
– rbaleksandar
Jul 27 '17 at 8:40
...
Understanding the Event Loop
...ad?" or "Hey OS, any of my outstanding filesystem calls have data ready?". Based upon its internal algorithm and event loop engine design, node will select one "tick" of JavaScript to execute, run it, then repeat the process all over again. That's what is meant by the event loop. Node is basically a...
Post parameter is always null
... case I am sending data across the wire which is zipped json which is then base64'd. All this from an android app.
The original signature of my web endpoint looked like this (using [FromBody]) :
My fix for this issue was to revert to using a HttpRequestMessage for the signature of my endpoint...
How to get Vim to highlight non-ascii characters?
...the added benefit of not colliding with regular (filetype [file extension] based) syntax definitions.
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