大约有 46,000 项符合查询结果（耗时：0.0369秒） [XML]
How to make an OpenGL rendering context with transparent background?
...ve what I was looking for. One of the most interesting ones is AeroGL, and it shows snippets of code using a technique that was not mentioned so far, which is rendering the graphics to a device-independent bitmap (DIB).
To close this thread permanently, the source code below implements that techniq...
Programmatically get the cache line size?
...
On Linux (with a reasonably recent kernel), you can get this information out of /sys:
/sys/devices/system/cpu/cpu0/cache/
This directory has a subdirectory for each level of cache. Each of those directories contains the following fi...
How to “EXPIRE” the “HSET” child key in redis?
...he sake of keeping Redis simple.
Quoth Antirez, creator of Redis:
Hi, it is not possible, either use a different top-level key for that
specific field, or store along with the filed another field with an
expire time, fetch both, and let the application understand if it is
still valid or n...
Update MongoDB field using value of another field
In MongoDB, is it possible to update the value of a field using the value from another field? The equivalent SQL would be something like:
...
How to force ASP.NET Web API to always return JSON?
...ly JSON in ASP.NET Web API – THE RIGHT WAY
Replace IContentNegotiator with JsonContentNegotiator:
var jsonFormatter = new JsonMediaTypeFormatter();
//optional: set serializer settings here
config.Services.Replace(typeof(IContentNegotiator), new JsonContentNegotiator(jsonFormatter));
JsonConte...
Python - abs vs fabs
...
math.fabs() converts its argument to float if it can (if it can't, it throws an exception). It then takes the absolute value, and returns the result as a float.
In addition to floats, abs() also works with integers and complex numbers. Its return...
Concat scripts in order with Gulp
...
I had a similar problem recently with Grunt when building my AngularJS app. Here's a question I posted.
What I ended up doing is to explicitly list the files in order in the grunt config. The config file will then look like this:
[
'/path/to/app.js',
'/...
How do I choose grid and block dimensions for CUDA kernels?
...bout how to determine the CUDA grid, block and thread sizes. This is an additional question to the one posted here .
3 Ans...
Why not inherit from List?
When planning out my programs, I often start with a chain of thought like so:
27 Answers
...
Test if lists share any items in python
I want to check if any of the items in one list are present in another list. I can do it simply with the code below, but I suspect there might be a library function to do this. If not, is there a more pythonic method of achieving the same result.
...