evaluate | 易学教程

On PhantomJS I can't include jQuery and without jQuery I can't post form data

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问题 I am having trouble running jQuery in PhantomJS. I have found this answer, which talks about no variable is available inside evaluate function but the question is about a node module and on my example I only call console.log inside evaluate function. I have put this question on GitHub too. Previously, for some pages, the following evaluate code didn't execute. Now that @b1f56gd4 has provided some help, it now prints messages; I can't execute it but now I can see this: The page at https:/

Passing js Variable to html file GAS - BASIC

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I'm trying to pass a variable (my name in cell A1) from my code.gs to my Index.html and email it. Can someone please tell me what I'm doing wrong or point me in the right direction. Code.gs function doGet() { return HtmlService.createHtmlOutputFromFile('Index'); } function sendEmail() { var ss = SpreadsheetApp.openById('MY_SPREADSHEET_ID'); var sheet = ss.getSheetByName('Sheet1'); var myName = sheet.getRange(1,1).getValue(); var template = HtmlService.createTemplateFromFile('Index'); var body = template.evaluate().getContent(); // SEND THE EMAIL MailApp.sendEmail({ subject:"Test Email", to:

Can I Evaluate An Excel VB Constant That Is In String Format?

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Is it possible to Evaluate a String which contains a valid Excel VB Constant's Name to return that Constant's Value? eg Dim ConstantName as String Dim ConstantValue as Long ConstantName="xlValues" ConstantValue= UnknownFunction(ConstantName) 'would set ConstantValue=-4163 Fun! Option Explicit Function getConstantValue(constStr As String) As Variant Dim oMod As VBIDE.CodeModule Dim i As Long, _ num As Long Set oMod = ThisWorkbook.VBProject.VBComponents("Module1").CodeModule For i = 1 To oMod.CountOfLines If oMod.Lines(i, 1) = "Function tempGetConstValue() As Variant" Then num = i + 1 Exit For

Can I Evaluate An Excel VB Constant That Is In String Format?

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问题 Is it possible to Evaluate a String which contains a valid Excel VB Constant's Name to return that Constant's Value? eg Dim ConstantName as String Dim ConstantValue as Long ConstantName="xlValues" ConstantValue= UnknownFunction(ConstantName) 'would set ConstantValue=-4163 回答1: Fun! Option Explicit Function getConstantValue(constStr As String) As Variant Dim oMod As VBIDE.CodeModule Dim i As Long, _ num As Long Set oMod = ThisWorkbook.VBProject.VBComponents("Module1").CodeModule For i = 1 To

Is there a method that will evaluate a string and produce an integer (assuming the string is an equation) in C#

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Okay, I know that in Python, say you had a string called strExpression and it's value was "1+2-(3*5)" There is a python method (function, sorry I get the terms confused) that will evaluate that string and return a numerical integer value (in this case, it should return -12. I don't recall the python syntax because I did it a while ago in a course (and then I broke my arm and had to quit because I couldn't type), but hopefully someone knows what I mean Is there a way to do this in C# I am only learning, and am creating a simple calculator program, and I have made a basic one that allows you to

Need Groovy syntax help for generating a Closure from a String

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I'm trying to generate a closure from a string. The code inside the closure references a DSL function build(). The errors I'm getting imply that Groovy is trying to execute the closure instead of just declaring it. What is the correct syntax for this? Here are some of the constructs I have already tried. sh = new GroovyShell() cl = sh.evaluate( '{ build("my job") }' } => Ambiguous expression could be either a parameterless closure expression or an isolated open code block; sh = new GroovyShell() cl = sh.evaluate( 'L: { build("my job") }' } => No signature of method: Script1.build() is

What is the difference between DOMXPath::evaluate and DOMXPath::query?

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Trying to decide which is more appropriate for my use case... After comparing the documentation for these methods, my vague understanding is evaluate returns a typed result but query doesn't. Furthermore, the query example includes looping through many results but the evaluate example assumes a single typed result. Still not much the wiser! Could anyone explain (in as close as possible to layman's terms) when you would use one or the other - e.g. will the multiple/single results mentioned above always be the case? ThW DOMXPath::query() supports only expressions that return a node list.

How to coerce AWK to evaluate string as math expression?

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Is there a way to evaluate a string as a math expression in awk? balter@spectre3:~$ echo "sin(0.3) 0.3" | awk '{print $1,sin($2)}' sin(0.3) 0.29552 I would like to know a way to also have the first input evaluated to 0.29552. awk lacks an eval(...) function. This means that you cannot do string to code translation based on input after the awk program initializes. Ok, perhaps it could be done, but not without writing your own parsing and evaluation engine in awk. I would recommend using bc for this effort, like [edwbuck@phoenix ~]$ echo "s(0.3)" | bc -l .29552020666133957510 Note that this

bash: How to evaluate PS1, PS2, …? [duplicate]

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问题 This question already has answers here : Closed 7 years ago . Possible Duplicate: Echo expanded PS1 Is there any way to 'evaluate' PS1 , PS2 , etc from within a bash script? Although, I can use alternate means to get all elements of my current PS1 , I would really like to be able to reuse its definition instead of using these alternate means. For example, ===================================== PS1 element --> Alternate means ===================================== \u --> $USER \h --> $HOSTNAME

Using XPath and WebBrowser Control to select multiple nodes

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In C# WinForms sample application I have used WebBrowser control and JavaScript-XPath to select single node and change that node .innerHtml by the following code: private void MainForm_Load(object sender, EventArgs e) { webBrowser1.DocumentText = @" <html> <head> <script src=""http://svn.coderepos.org/share/lang/javascript/javascript-xpath/trunk/release/javascript-xpath-latest-cmp.js""></script> </head> <body> <img alt=""0764547763 Product Details"" src=""http://ecx.images-amazon.com/images/I/51AK1MRIi7L._AA160_.jpg""> <hr/> <h2>Product Details</h2> <ul> <li><b>Paperback:</b> 648 pages</li>