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Technically, why are processes in Erlang more efficient than OS threads?
...ts SMP, but the interaction between Erlang processes on the same scheduler/core is still very lightweight (there are separate run queues per core).
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Select the values of one property on all objects of an array in PowerShell
...d give you a sense of relative performance (the timings come from a single-core Windows 10 VM:
Important
The relative performance varies based on whether the input objects are instances of regular .NET Types (e.g., as output by Get-ChildItem) or [pscustomobject] instances (e.g., as output by Conver...
Cython: “fatal error: numpy/arrayobject.h: No such file or directory”
...ing np.import_array() in your code.
--
Example setup.py:
from distutils.core import setup, Extension
from Cython.Build import cythonize
import numpy
setup(
ext_modules=[
Extension("my_module", ["my_module.c"],
include_dirs=[numpy.get_include()]),
],
)
# Or, if ...
What is the difference between angular-route and angular-ui-router?
...le developed by the AngularJS team which was earlier part of the AngularJS core.
ui-router is a framework which was made outside the AngularJS project to improve and enhance routing capabilities.
From the ui-router documentation:
AngularUI Router is a routing framework for AngularJS, which all...
Thread vs ThreadPool
...r of processors.". So does that mean that that when dividing work up among cores that foreground threads get priority?
– cdiggins
Feb 3 '10 at 12:44
1
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How to run JUnit test cases from the command line
...X it's really:
java -cp .:/usr/share/java/junit.jar org.junit.runner.JUnitCore [test class name]
But if you are using JUnit 3.X note the class name is different:
java -cp .:/usr/share/java/junit.jar junit.textui.TestRunner [test class name]
You might need to add more JARs or directories with y...
MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...石油管道传感器的数据采集频率不高，不需要一下子传输大量数据；现场采集网关由于量大，考虑到采购成本，CPU和存储等计算资源都很有限；石油管道会穿越很多无人区，附近没有网络设施，因此使用卫星通讯最为经济；高轨...
Have Grunt generate index.html for different setups
...nt configuration for future tasks.
Below are snippets from my Gruntfile.js.
ENV setup:
env : {
options : {
/* Shared Options Hash */
//globalOption : 'foo'
},
dev: {
NODE_ENV : 'DEVELOPMENT'
},
prod : {
NODE_ENV : 'PRODUCTION'
}
...
Using Gulp to Concatenate and Uglify files
...equire('gulp-rename'),
gp_uglify = require('gulp-uglify');
gulp.task('js-fef', function(){
return gulp.src(['file1.js', 'file2.js', 'file3.js'])
.pipe(gp_concat('concat.js'))
.pipe(gulp.dest('dist'))
.pipe(gp_rename('uglify.js'))
.pipe(gp_uglify())
.p...
Dynamically load JS inside JS [duplicate]
I have a dynamic web page where I need to import an external JS file (under an IF condition) inside another javascript file.
...