Search Results

Search found 5154 results on 207 pages for 'expression evaluation'.

Page 155/207 | < Previous Page | 151 152 153 154 155 156 157 158 159 160 161 162  | Next Page >

• PHP DOMElement, replacing text of a node

  - by waitinforatrain

  I have a HTML node like so: <b>Bold text</b> A variable $el contains a DOMElement reference to the text of that HTML node ("Bold text"), got from the XPath expression //b/text() I want to change the element to <b><span>Bold Text</span></b> So I tried: $span = $doc->createElement('span', "Bold Text"); $el->parentNode->replaceChild($span,, $el) which fails because parentNode is null. So, as a test, I tried: $el-insertBefore($span, $el); which throws no errors but produces no change in the output. Any thoughts?

  Read the article

• Dashcode Web App: How to programmatically manipulate bound array in dataSource?

  - by Kross

  Hi Everyone, I've started using Dashcode to write an interface for presenting the report data for some of our Cocoa tools. I am using a Dashcode data source and bindings to populate the elements in the WebView, and it all seems to be working well so far. One of the objects in my dataSource is an array of objects that I would like to manipulate programmatically. I can change the object values in the array just fine but if I want to replace the array, or any objects in the array, my bound table isn't able to observe the added objects. Here is the code that I thought would let me easily replace the bound array with new content: var dataSource = dashcode.getDataSource("reportData"); var newDetailArray = testArray(); dataSource.setValueForKeyPath(newDetailArray, "content.detailArray"); But this throws the exception: Exception while binding "content" to keypath "arrangedObjects " TypeError: Result of expression 'this.object.valueForKeyPath' [undefined] is not a function. Is there something I'm missing that will let me easily manipulate the array's contents programmatically?

  Read the article

• I'm having a problem identifying a floating point exception.

  - by Peter Stewart

  I'm using c++ in visual studio express to generate random expression trees for use in a genetic algorithm type of program. Because they are random, the trees often generate (I'll call them exceptions, I'm not sure what they are) Thanks to a suggestion by George, I turned the mask _MCW_EM on so that hardware interrupts are turned off. (the default) So, the program runs uninterrupted, but some of the values returned are: -1.#INF, -1.#NAN, -1.#INV. I don't know how to identify these so that I can throw an exeption: if ( variable == -1.#INF) ?? DigitalRoss in this post seemed to have the solution, but as I understood it I couldn't make it work. I've been looking all over the place for this simple bit of code, that I assumed would be used all the time, but have had no luck. thanks

  Read the article

• Ruby not-empty? method

  - by klew

  I want to use expression: !([1,2,3] & [43,5]).empty? => false !([1,2,3] & [3,5]).empty? => true to check if two arrays contains at least one common value. And I wonder if there is a better way of doing it? Maybe something like: ([1,2,3] & [3,5]).non_empty? How to write non_empty? method?

  Read the article

• BizTalk external assembly namespace and static methods

  - by SteveC

  Is there some restriction in BizTalk 2006 R2 to accessing static methods in external assemblies when the assembly has a "." in the name ? I have the solution set-up with the BizTalk project "FooBar", and the external assembly project "FooBar.Helper" (strongly signed and GAC'ed) with a class "Demo" (public and serializable), which is referenced in the BizTalk project I can create a BizTalk variable of type "FooBar.Helper.Demo" and access an instance method fine, but an expression window the Intellisense shows the FooBar namespace, but if I dot it, I get the error "illegal dotted name" ??? However I can add another project, "ExtComp" with class "Test" and it's static methods are displayed in Intellisense !!! The only difference I can see is the first external assembly has the dot in it

  Read the article

• Creating C# form fields with events based off of a text file

  - by evolve

  I need to generate windows form fields based off of a text file that I am parsing. I also want to automatically generate validation event handlers which all will be basically the same only the form field and the regular expression which is used to validate the field will change. I'm having a difficult time figuring out the quickest and easiest method to go about doing this. Any pointers in the right direction would really be great, maybe even some keywords that I'm missing. I can only imagine this type of question has been covered before, I just don't know what I'm searching for really.

  Read the article

• How to find scrollable elements in DOM using XPath?

  - by ak.

  Basically I need to find all elements on the page that have a scrollbar (vertical or horizontal) How to tell if an element has a scrollbar and can actually be scrolled? I found this code snippet on jsperf. Is it possible to capture the logic behind the code into and XPath expression? Or are there any other ways to check for scrollbars? Added: Just to explain what I'm trying to do: I'm developing extension for Firefox. Basically it introduces Vim-style mouseless shortcuts (I know there is Vimperator and Pentadactyl...). One of the features I'd like to implement is to allow the use to select the container that's scrolled with j/k keys. That's why I need to discover all scrollable elements on any given random page.

  Read the article

• How do I group a SSRS report by month?

  - by Anthony K

  I have a set of data that includes a field with the datetime that events happen. i want to group the events by month. I haven't come across a simple and elegant expression to achieve this. So far all I can come up with is to convert the field to a date, then take the year and month as integers and then convert this back to a string with the day set to 1. In Crystal Reports I would group on the datetime field and then set the period to month, very easy. I am sure there is an easy answer to this that I haven't been able to find.

  Read the article

• Silverlight: Creating a round button template

  - by Jeremy

  I decided to try making a circular button, so using expression blend, I dropped a button control on my xaml. I then created a template from it by choosing "Edit Control Parts (Template)" - "Edit a Copy". I am trying to design it so that the left and right sides of the button were always perfect semi circles, so that no matter how tall or wide the button grew, the corner radius would max out at either half the width or half the length of the button, depending on which was smaller. That way, if the button was stretched tall, the top and buttom would be perfect half circles, and if the button was stretched wide, the left and right would be perfect half circles. Is it possible to do this?

  Read the article

• Fastest PHP Routine To Match Words

  - by Volomike

  What is the fastest way in PHP to take a keyword list and match it to a search result (like an array of titles) for all words? For instance, if my keyword phrase is "great leather shoes", then the following titles would be a match... Get Some Really Great Leather Shoes Leather Shoes Are Great Great Day! Those Are Some Cool Leather Shoes! Shoes, Made of Leather, Can Be Great ...while these would not be a match: Leather Shoes on Sale Today! You'll Love These Leather Shoes Greatly Great Shoes Don't Come Cheap I imagine there's some trick with array functions or a RegEx (Regular Expression) to achieve this rapidly.

  Read the article

• My own HtmlHelper don't work in Asp.Net MVC 2

  - by name1ess0ne

  I have HtmlHelper in ASP.NET MVC 1. Now I wont to migrate to ASP.NET MVC 2, but this helper don't work =( public static string Image(this HtmlHelper helper, string url, string alt) { return string.Format("<img src=\"{0}\" alt=\"{1}\" />", url, alt); } public static string ImageLink<T>(this HtmlHelper helper, Expression<Action<T>> linkUrlAction, string imageUrlPath, string altText) where T : Controller { string linkUrl = helper.BuildUrlFromExpression(linkUrlAction);//compile time error string img = helper.Image(imageUrlPath, altText); string outputUrl = string.Format(@"<a href='{0}'>{1}</a>", linkUrl, img); return outputUrl; } Error: 'System.Web.Mvc.HtmlHelper' does not contain a definition for 'BuildUrlFromExpression' How I can fix this error?

  Read the article

• Conditionally required jsf validation in a4j form

  - by volothamp

  Hello, I'm having a little problem with using conditionally evaluated expression in jsf/a4j Here's my code <a4j:form> <h:inputText id="id1" value="#{mybean.myvalue}" size="1" required="#{not mybean.condition}" rendered="#{not mybean.condition}" requiredMessage="Put a number in here" /> <h:selectBooleanCheckbox value="#{mybean.condition}"> <a4j:support event="onclick" reRender="id1"/> </h:selectBooleanCheckbox> <a4j:commandButton action="#{mybean.myaction}" value="Do something" /> </a4j:form> The boolean checkbox conditionally enable/disable the validation. This doesn't work: the a4j:commandButton simply skip the validation. Thanks.

  Read the article

• HASHREF in Perl

  - by Uri

  I'm trying to decrypt a Perl code which I'm not familiar with, somehow related to HashRef. I'm using Amazon::S3, but my question is a general Perl question. See the code below: use Amazon::S3; my $s3 = Amazon::S3-new( ... ); my $response = $s3-buckets; Documentation (here) sais, about s3-buckets: Returns undef on error, else HASHREF of results The following line is working for me, but I don't understand why: for $b in ( @ { $response-{buckets} } ) { print "bucket: " . $b-bucket . "\n"; } I'm buzzled by each operator on the first line. What type exactly are $response, $respone-{bucket}. Looks like the expression within the 'for' is an array, but I don't understand this syntax: @{ ... }?

  Read the article

• preg replace h2 tags with spaces [closed]

  - by fire

  Possible Duplicate: PHP Regular express to remove <h1> tags (and their content) I have some HTML that looks like this: <h2> Fund Management</h2> <p> The majority of property investments are now made via our Funds.</p> Trying to use a regular expression to strip h2 tags but doesn't work because of the space between the opening and closing h2 tags. preg_replace('/<h2>(.+?)<\/h2>/', '', $content); Any ideas on how to make this work? Also I would ideally like it to replace h1-h6 tags so maybe it needs [1-6] or something?

  Read the article

• Fluent NHibernate beginner problem: How to convert single column data to custom class?

  - by Stefan Ahlm

  I am very new to Fluent NHibernate and I have a problem that I cant find the answer to. I have a string column in my database table, containing a mathematical expression i.e: "10 + 15 * 5". On my entity I have a property that I call Formula and this returns a class that contains the mathematical "formula" (not as a string). I beleive this post http://intellect.dk/post/Implementing-custom-types-in-nHibernate.aspx explains how to solve it for NHibernate. But I am not sure... How do I get this working with Fluent NHibernate?

  Read the article

• linq and contains

  - by kusanagi

  i have func public PageOfList<ConsaltQuestion> Filter(int? type, int pageId, EntityCollection<ConsaltCost> ConsaltRoles) { // return _dataContext.ConsaltQuestion.Where((o => o.Type == type || type == null) && (o=>o.Paid == paid)); return (from i in _dataContext.ConsaltQuestion where ((i.Type == type || type == null) && (i.Paid == true) && (ConsaltRoles.Contains(ConsaltCostDetails(i.Type.Value)))) select i).ToList().ToPageOfList(pageId, 20); } it return error LINQ to Entities does not recognize the method 'Boolean Contains(mrhome.Models.ConsaltCost)' method, and this method cannot be translated into a store expression. how can i fix it?

  Read the article

• How to deal with the new line character in the Silverlight TextBox

  - by Ian Oakes

  When using a multi-line TextBox (AcceptsReturn="True") in Silverlight, line feeds are recorded as \r rather than \r\n. This is causing problems when the data is persisted and later exported to another format to be read by a Windows application. I was thinking of using a regular expression to replace any single \r characters with a \r\n, but I suck at regex's and couldn't get it to work. Because there may be a mixture of line endings just blindy replacing all \r with \r\n doesn't cut it. So two questions really... If regex is the way to go what's the correct pattern? Is there a way to get Silverlight to respect it's own Environment.NewLine character in TextBox's and have it insert \r\n rather just a single \r?

  Read the article

• Indexing datetime in MySQL

  - by User1

  What is the best way to index a datetime in MySQL? Which method is faster: Store the datetime as a double (via unix timestamp) Store the datetime as a datetime The application generating the timestamp data can output either format. Unfortunately, datetime will be a key for this particular data structure so speed will matter. Also, is it possible to make an index on an expression? For example, index on UNIX_TIMESTAMP(mydate) where mydate is a field in a table and UNIX_TIMESTAMP is a mysql function. I know that Postgres can do it. I'm thinking there must be a way in mysql as well.

  Read the article

• Intellisense in Visual Studio 2010

  - by Erik

  For some reason the Intellisense in vb.net stopped working when I use an Aggregate Lambda expression inside a With statement. With Me.SalesPackage .WebLinks = Sales.Where(Function(f) f.Current.BookerWeb > 0).Count .WebAmount = Aggregate o In Sales.Where(Function(f) f.Current.WebBooker > 0) Into Sum(o.Current.WebPrice) End With If I insert a new line between .WebLinks and .WebAmount and start typing, it works. But it won't work if I do it after the Aggregate statement... Any ideas?

  Read the article

• Default Arguments in Matlab

  - by Scott

  Hello. Is it possible to have default arguments in Matlab? For instance, here: function wave(a,b,n,k,T,f,flag,fTrue=inline('0')) I would like to have the true solution be an optional argument to the wave function. If it is possible, can anyone demonstrate the proper way to do this? Currently, I am trying what I posted above and I get: ??? Error: File: wave.m Line: 1 Column: 37 The expression to the left of the equals sign is not a valid target for an assignment. Thanks!

  Read the article

• NSOperationqueue i want to block main thread

  - by alexeyndru

  i want to block the main thread until something else is done in the background. i used: result=[self performSelectorInBackground:@selector(calculate:) withObject:expression]; just bellow this line I am using result: [self use:result]; i dont want to use result until it is available. to achieve this I implemented calculate: { [[(AppDelegate *)[[UIApplication sharedApplication] delegate] queue] waitUntilAllOperationsAreFinished]; calculating result... } and still, the result is used before it is calculated. so, i didnt block the main thread. pls help me do that. thanks

  Read the article

• How cast in XML for aggregate functions

  - by renegm

  In SQL Server 2008. I need execute a query like that: DECLARE @x AS xml SET @x=N'<r><c>First Text</c></r><r><c>Other Text</c></r>' SELECT @x.query('fn:max(r/c)') But return nothing (apparently because convert xdt:untypedAtomic to numeric) How to "cast" r/c to varchar? Something like SELECT @x.query('fn:max(«CAST(r/c «AS varchar(20))»)') Edit: Using Nodes the function MAX is from T-SQL no fn:max function In this code: DECLARE @x xml; SET @x = ''; SELECT @x.query('fn:max((1, 2))'); SELECT @x.query('fn:max(("First Text", "Other Text"))'); both query return expected: 2 and "Other Text" fn:max can evaluate string expression ad hoc. But the first query dont work. How to force string arguments to fn:max?

  Read the article

• Trouble compiling some decompiled C# code

  - by Colin O'Dell

  I was decompiling an open-source project (because the source for the latest version hasn't been released yet). Using RedGate's Reflector tool, it gave me this block of code: if(somecondition == true) { ref Vector3i vectoriRef; float num17 = length - num; Vector3i end = vectori3; (vectoriRef = (Vector3i) &end)[1] = vectoriRef[1] - ((int) num17); } somecondition is a boolean. length and num are floats defined outside the code. vectori3 is also defined outside the code and is of type Vector3i. The type Vector3i is essentially this code, but with x, y, and z stored as integers. When I try to compile this decompiled code, I get the following errors: Line 2: Only assignment, call, increment, decrement, and new object expressions can be used as a statement Line 3: ; expected Line 3: Invalid expression term 'ref' Line 6: 'Vector3i' is a 'type' but is used like a 'variable' Any thoughts on how I can fix this code so it compiles correctly and does whatever it was intended to do?

  Read the article

• I want to extract the video link out of youtube embed code, I am searching for a regex solution for

  - by Starx

  For example: an youtube embed code <object width="480" height="385"> <param name="movie" value="http://www.youtube.com/v/TFlzeO267qY&hl=en_US&fs=1&"></param> <param name="allowFullScreen" value="true"></param> <param name="allowscriptaccess" value="always"></param> <embed src="http://www.youtube.com/v/TFlzeO267qY&hl=en_US&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed> </object> I want to extract http://www.youtube.com/v/TFlzeO267qY&hl=en_US&fs=1&" from this embed code but I dont know how to create a regex expression for this Thanks in Advance?

  Read the article

• looking for a good vc++ profiler, already checked previous posts

  - by coreSOLO

  I'm looking for a good profiler for vs2008 professional edition, free or reasonably priced. I've already checked previous posts and tried about 8 profilers, but most of them are too basic or too detailed. Kindly suggest something, my requirements are as follows: It can be compiled, so that its well integrated with my application. I'm not shying away from instrumenting my methods. The output should be simple, i only need call count and time taken by methods and nothing else. I am mostly concerned about things INSIDE a method, you may call it line by line profiling. I want to select a method and know which line (expression / method call) is eating most of the time.

  Read the article

< Previous Page | 151 152 153 154 155 156 157 158 159 160 161 162  | Next Page >