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Determine function name from within that function (without using traceback)
...sing the traceback module, is there a way to determine a function's name from within that function?
19 Answers
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How can I present a file for download from an MVC controller?
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Return a FileResult or FileStreamResult from your action, depending on whether the file exists or you create it on the fly.
public ActionResult GetPdf(string filename)
{
return File(filename, "application/pdf", Server.UrlEncode(filename));
}
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Load multiple packages at once
...dplyr, psych, tm)
and if the package is missing p_load will download it from CRAN or Bioconductor.
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Favorite way to create an new IEnumerable sequence from a single value?
I usually create a sequence from a single value using array syntax, like this:
4 Answers
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How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
...version; You should even be able to copy & paste your views as a whole from your existing interface to the .xib file.
To test this out I created a new empty .xib named "MyCustomTimerView.xib". Then I added a view, and to that added a label and two buttons. Like So:
I created a new objective-...
地图组件（高德地图） · App Inventor 2 中文网
...特征的 可见性 属性值）。此列表还包含通过调用 FeatureFromDescription 在 地图 上创建的所有特征点。
高度
设置地图的垂直高度，以像素px为单位。
高度百分比
设置地图的垂直高度相对于整个屏幕高度的百分比。
纬度
获...
ASP.Net MVC: How to display a byte array image from model
... this one worked for me too , kindly say How to display a byte array image from model when its null ?
– Chathz
Feb 19 '16 at 10:15
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Export/import jobs in Jenkins
...ing jobs between servers
The trick probably was the need to reload config from the Jenkins Configuration Page.
Update 2020.03.10
The JenkinsCI landscape has changed a lot... I've been using Job DSL for a while now.
We have a SEED Job that generates the rest of the jobs.
This helps us both recrea...
Setting Environment Variables for Node to retrieve
...credentials to your application. USER_ID and USER_KEY can both be accessed from process.env.USER_ID and process.env.USER_KEY respectively. You don't need to edit them, just access their contents.
It looks like they are simply giving you the choice between loading your USER_ID and USER_KEY from eith...
Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req
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When you are using postman they are not restricted by this policy. Quoted from Cross-Origin XMLHttpRequest:
Regular web pages can use the XMLHttpRequest object to send and receive data from remote servers, but they're limited by the same origin policy. Extensions aren't so limited. An extension...