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how to get program files x86 env variable?
...files(x86)% ==> C:\Program Files (x86)
On a 64-bit machine running in 32-bit (WOW64) mode:
echo %programfiles% ==> C:\Program Files (x86)
echo %programfiles(x86)% ==> C:\Program Files (x86)
On a 32-bit machine running in 32-bit mode:
echo %programfiles% ==> C:\Program F...
How to sort a list in Scala by two fields?
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seniasenia
36.3k44 gold badges7979 silver badges122122 bronze badges
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Error: could not find function … in R
...n code created for a newer version. Newly added functions (eg hasName in R 3.4.0) won't be found then. If you use an older R version and want to use a newer function, you can use the package backports to make such functions available. You also find a list of functions that need to be backported on t...
Nested attributes unpermitted parameters
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edited Mar 25 '16 at 7:39
illusionist
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answered...
Explicitly select items from a list or tuple
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list( myBigList[i] for i in [87, 342, 217, 998, 500] )
I compared the answers with python 2.5.2:
19.7 usec: [ myBigList[i] for i in [87, 342, 217, 998, 500] ]
20.6 usec: map(myBigList.__getitem__, (87, 342, 217, 998, 500))
22.7 usec: itemgetter(87, 342...
Quick way to create a list of values in C#?
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Check out C# 3.0's Collection Initializers.
var list = new List<string> { "test1", "test2", "test3" };
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App Inventor 2 天气预报App开发 - 第三方API接入的通用方法 · App Inventor 2 中文网
...JSON示例
{
"code": "200",
"updateTime": "2021-11-15T16:35+08:00",
"fxLink": "http://hfx.link/2ax1",
"daily": [
{
"fxDate": "2021-11-15",
"sunrise": "06:58",
"sunset": "16:59",
"moonrise": "15:16",
"moonset": "03:40",
"moonPhase": "盈...
How do you commit code as a different user?
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3 Answers
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How can I remove the decimal part from JavaScript number?
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403
You could use...
Math.trunc() (truncate fractional part, also see below)
Math.floor() (round d...