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How do I load an image from a DB inside a JSF page using managed beans?

由 孤者浪人 提交于 2019-12-30 00:48:08
问题 I have a database with some images. Could anyone explain me how I could load an image in a JSF page? I already have a managed bean that converts an Image object into a streamcontent. This streamcontent is called from the page in a tag <h:graphicImage> , but when I check the source code of the page, there's no src where the image could be loaded. 回答1: The JSF <h:graphicImage> get rendered as a HTML <img> element. Its src attribute should point to an URL, not to the binary contents. So you

Why is Python giving me “an integer is required” when it shouldn't be?

由 ぐ巨炮叔叔 提交于 2019-12-29 07:42:26
问题 I have a save function within my Python program which looks like this: def Save(n): print("S3") global BF global WF global PBList global PWList print(n) File = open("C:\KingsCapture\Saves\\" + n + "\BF.txt", "w") pickle.dump(BF, File) File = open("C:\KingsCapture\Saves\\" + n + "\WF.txt", "w") pickle.dump(WF, File) File = open("C:\KingsCapture\Saves\\" + n + "\PBList.txt", "w") pickle.dump(PBList, File) File = open("C:\KingsCapture\Saves\\" + n + "\PWList.txt", "w") pickle.dump(PWList, File)

Why is Python giving me “an integer is required” when it shouldn't be?

由 穿精又带淫゛_ 提交于 2019-12-29 07:42:09
问题 I have a save function within my Python program which looks like this: def Save(n): print("S3") global BF global WF global PBList global PWList print(n) File = open("C:\KingsCapture\Saves\\" + n + "\BF.txt", "w") pickle.dump(BF, File) File = open("C:\KingsCapture\Saves\\" + n + "\WF.txt", "w") pickle.dump(WF, File) File = open("C:\KingsCapture\Saves\\" + n + "\PBList.txt", "w") pickle.dump(PBList, File) File = open("C:\KingsCapture\Saves\\" + n + "\PWList.txt", "w") pickle.dump(PWList, File)

jQuery appending to AJAX loaded SVG problem

由 给你一囗甜甜゛ 提交于 2019-12-29 05:28:06
问题 I am successfully loading via AJAX some svg from external file: $("#svg").load(svgUrl + " svg", function() { // do stuff }); My HTML looks like that: <div id="svg" ...> <svg ...> ... </svg> </div> I can see the graphics just fine. Now I want to add some additional svg elements to the loaded svg. I changed my script to: $("#svg").load(svgUrl + " svg", function() { $("svg").append("<g id='compass'></g>"); // do stuff }); For some reasons the added element appears as hidden in firebug and no

Get the url of currently executing js file when dynamically loaded

由 喜欢而已 提交于 2019-12-29 05:23:26
问题 So I'm trying to load a script dynamically and figure out the URL path at which that script was loaded. So some guy gave me a pretty awesome solution to this problem if the scripts are statically loaded ( How to get the file-path of the currently executing javascript code ). But I need a dynamically loaded solution. For example: $(function() { $.getScript("brilliant.js", function(data, textStatus) { // do nothing }); }); where "brilliant.js" has: var scripts = document.getElementsByTagName(

Load and execute javascript code SYNCHRONOUSLY

由 寵の児 提交于 2019-12-29 03:18:15
问题 Is there a way to load and execute a javascript file in a synchronous way just like a synchronous XMLHttpRequest? I'm currently using a sync XMLHttpRequest and then eval for this, but debugging that code is very difficult... Thanks for your help! Update I tried this now: test.html <html> <head> <script type="text/javascript"> var s = document.createElement("script"); s.setAttribute("src","script.js"); document.head.appendChild(s); console.log("done"); </script> </head> <body> </body> </html>

Load and execute javascript code SYNCHRONOUSLY

由 房东的猫 提交于 2019-12-29 03:18:09
问题 Is there a way to load and execute a javascript file in a synchronous way just like a synchronous XMLHttpRequest? I'm currently using a sync XMLHttpRequest and then eval for this, but debugging that code is very difficult... Thanks for your help! Update I tried this now: test.html <html> <head> <script type="text/javascript"> var s = document.createElement("script"); s.setAttribute("src","script.js"); document.head.appendChild(s); console.log("done"); </script> </head> <body> </body> </html>

jQuery load multiple html files in one element

由 末鹿安然 提交于 2019-12-29 00:32:12
问题 How do i load multiple html files and putting them into a specified html element? I tried with no changes: $('#asd').load('file.html,pippo.html'); 回答1: you could get multiple items and add them to the element. jQuery.ajaxSetup({ async: false }); //if order matters $.get("file.htm", '', function (data) { $("#result").append(data); }); $.get("pippo.htm", '', function (data) { $("#result").append(data); }); jQuery.ajaxSetup({ async: true }); //if order matters 回答2: Try this, using deferred

jQuery .load() with fadeIn effect

由 你说的曾经没有我的故事 提交于 2019-12-28 06:27:35
问题 I'm trying to load #content of a url via AJAX using jQuery within #primary. It loads but doesn't fadeIn. What am I doing wrong? $('.menu a').live('click', function(event) { var link = $(this).attr('href'); $('#content').fadeOut('slow', function(){ $('#primary').load(link+' #content', function(){ $('#content').fadeIn('slow'); }); }); return false; }); Many thanks for your help. 回答1: Actually I was able to do it by applying the effect to the wrapper div instead... $('#primary').fadeOut('slow',

How to do recursive load with Entity framework?

由 戏子无情 提交于 2019-12-28 05:43:05
问题 I have a tree structure in the DB with TreeNodes table. the table has nodeId, parentId and parameterId. in the EF, The structure is like TreeNode.Children where each child is a TreeNode... I also have a Tree table with contain id,name and rootNodeId. At the end of the day I would like to load the tree into a TreeView but I can't figure how to load it all at once. I tried: var trees = from t in context.TreeSet.Include("Root").Include("Root.Children").Include("Root.Children.Parameter") .Include
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