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Determine installed PowerShell version
...ne running PowerShell 3, you get back 1.0, as the RemotingHost seems to be v1. Using $PSVersionTable correctly returns 3.
– Danny Tuppeny
Oct 30 '12 at 9:30
25
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What do the numbers in a version typically represent (i.e. v1.9.0.1)?
...
In version v1.9.0.1:
This is the explicit versioning scheme used when you don't want to use name for the pre-releases or build like -alpha,-beta.
1:Major version which might break the backward compatibility
9:Adding of new features to...
How to use git bisect?
...t # Starting bisect
$ git bisect bad # stating that the current commit (v1.5) has the regression/ setting 'bad' point
$ git bisect good v1.0 # mentioning it the last good working commit (without regression)
This mentioning of 'bad' and 'good' points will help git bisect (binary search) pick th...
c++ boost::multi_index composite keys efficiency - c++1y / stl - 清泛IT社区，为创新赋能！
... this:
struct element_cmp
{
bool operator()(const element& v1, const element& v2)const
{
if(v1.x<v2.x)return true;
if(v2.x<v1.x)return false;
if(v1.y<v2.y)return true;
if(v2.y<v1.y)return false;
 ...
Where Is Machine.Config?
...ramework64\[version]\config\machine.config
[version] should be equal to v1.0.3705, v1.1.4322, v2.0.50727 or v4.0.30319.
v3.0 and v3.5 just contain additional assemblies to v2.0.50727 so there should be no config\machine.config. v4.5.x and v4.6.x are stored inside v4.0.30319.
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Maven: how to override the dependency added by a library
... used. This can be useful if your project A includes an external project B v1.0 that includes another external project C v1.0. Sometimes it happens that a security breach is found in project C v1.0 which is corrected in v1.1, but the developers of B are slow to update their project to use v1.1 of C....
how to use python to execute a curl command
...translation:
import requests
url = 'https://www.googleapis.com/qpxExpress/v1/trips/search?key=mykeyhere'
payload = open("request.json")
headers = {'content-type': 'application/json', 'Accept-Charset': 'UTF-8'}
r = requests.post(url, data=payload, headers=headers)
...
App Inventor 2 扩展开发实战：从Java小白到发布第一个.aix自定义插件 - Ap...
...两个向量的和")
public float[] addVectors(float[] v1, float[] v2) {
return new float[]{v1[0] + v2[0], v1[1] + v2[1]};
}
@SimpleFunction(description = "返回两个向量的点积")
public float dotProduct(float[...
awk without printing newline
...
awk '{sum+=$3}; END {printf "%f",sum/NR}' ${file}_${f}_v1.xls >> to-plot-p.xls
print will insert a newline by default. You dont want that to happen, hence use printf instead.
share
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Best way to merge two maps and sum the values of same key?
...on.immutable.HashMap(1 -> 11 , 2 -> 12)
map1.merged(map2)({ case ((k,v1),(_,v2)) => (k,v1+v2) })
Also in scaladoc mentioned that
The merged method is on average more performant than doing a
traversal and reconstructing a new immutable hash map from
scratch, or ++.
...