{"id":1869,"date":"2022-08-30T15:20:07","date_gmt":"2022-08-30T15:20:07","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2013\/12\/02\/problem-about-handling-collection-of-common-programming-errors\/"},"modified":"2022-08-30T15:20:07","modified_gmt":"2022-08-30T15:20:07","slug":"problem-about-handling-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2022\/08\/30\/problem-about-handling-collection-of-common-programming-errors\/","title":{"rendered":"problem about handling-Collection of common programming errors"},"content":{"rendered":"<ul>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/fce60694646f50b0ee75831b6e9c36a7?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nShrewd Demon<br \/>\nc# exception handling<br \/>\ni know this could be a little weird but a doubt is a doubt afterall&#8230; what would happen in the following situation&#8230;private void SendMail() {try{\/\/i try to send a mail and it throws an exception}catch(Exception ex){\/\/so i will handle that exception over here\/\/and since an exception occurred while sending a mail\/\/i will log an event with the eventlog\/\/All i want to know is what if an exception occurs here\/\/while writing the error log, how should i handle it??} }Thank you.<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/91973b1bef91ee4f314cd95a37a45f2b?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nAnthonyWJones<br \/>\nexception windows-phone-7 asynchronous handling<br \/>\nI&#8217;ve a JAVA based SOAP Web service which i am consuming in WP7 (Silverlight Client).I&#8217;m able to invoke it and retrieve the response back , but could not find any way to handle the server side SOAP exceptions arising out of scenarios like Web service offline , server down etc .I&#8217;ve put in Try Catch block too but it seems they are never reaching &#8230;exception goes out to References.cs file (proxy class file auto generated when Service is add referenced).After this application just crashes.I know al<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/ad79171d1a70ac1b069c163ad3f615a1?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nfakemeta<br \/>\nc# winforms sqlite exception handling<br \/>\nI&#8217;ve been trying to add exception handling to my test app, but with no success. My app uses SQLite as database provider.I&#8217;m tring to catch SQLiteException:static void Main(){Application.EnableVisualStyles();Application.SetCompatibleTextRenderingDefault(false);try{Application.Run(new Main());}catch (System.Data.SQLite.SQLiteException){MessageBox.Show(&#8220;Unable to perform database operation. Database file is missing or corrupt&#8221;, &#8220;Database error&#8221;, MessageBoxButtons.OK, MessageBoxIcon.Error);}}In my M<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/graph.facebook.com\/100004028846993\/picture?type=large\" \/><br \/>\nAlexander Pravdin<br \/>\njavascript exception logging handling<br \/>\nIf an unhandled exception occur in javascript code all browsers create beauty message in its log including exception type, message and stack trace and\/or useful link to the source line. Now I want to catch an exception, put the same log as unhandled exception, and continue execution. I tried to write something liketry { &#8230; } catch (e) { console.log(e); }but all I got in Chrome is the exception type name in the log without any description and stack or source line link. How to create beautiful ex<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/a6efc04537f65ae14a3893072a897ff2?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nGuilherme Cardoso<br \/>\nasp.net handling<br \/>\nI&#8217;m newbie when talks about Error Handling. It&#8217;s a subject that i want to study but right now i just don&#8217;t have free time, so i&#8217;m looking to implement an error\/exception handler one a few projects i&#8217;ve developing last weeks (C#, .NET 3.5).What do you recommend me to implement for this? Other point is where to store the errors logs. In database or .xml file? Well, i really need some help on this!By the way, is there any book about error handling?Thanks in advanced, Guilherme Cardoso<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/a079e6d6359ab93b49c2467fcec4c37f?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nuser466898<br \/>\nc# handling asyncsocket<br \/>\nI have a 3 tier architecture and send some data in the transport layer (TCP Client) using tcp sockets is this methods asynchronously using BeginSend method.public void TransportData(Stream stream) {try{SetTransporterState(StateObject.State.SendingData);if (clientSock.Connected){ASCIIEncoding asen = new ASCIIEncoding();stream.Position = 0;byte[] ba = GetStreamAsByteArray(stream);if (clientSock.Connected)clientSock.BeginSend(ba, 0, ba.Length, SocketFlags.None, new AyncCallback(SendData), clientSoc<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/eec7e09c7d0731a44e91b403dd0bc347?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nRoman<br \/>\nevents blackberry touch handling<br \/>\nI try to implement simple touch event handling on Blackberry 9550 emulator, but it doesn&#8217;t work. Actually, touchEvent never gets called, &#8216;cos no text ever appears in the console. Also, I get an annoying &#8220;Full Menu&#8221; which appears on touching the screen. Here&#8217;s the code:package mypackage; import net.rim.device.api.system.Bitmap; import net.rim.device.api.system.EventInjector.TouchEvent; import net.rim.device.api.ui.Field; import net.rim.device.api.ui.Graphics; import net.rim.device.api.ui.VirtualK<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/a7d5b6afd380ae90894963ee3b4a04b2?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nRich Sadowsky<br \/>\nflex actionscript-3 global handling<br \/>\nI&#8217;m trying to use the new(ish) AS3 global error handling class. I am trying to use it within a Flex mxml application. I can&#8217;t get it to work at all. Below is an entire program that shows the problem. I set this to use Flash Player 10.2 and compiled with the Flex 4.5 SDK.I&#8217;ve tried using Flex SDK 4.0 and 4.5 but I get the error in either case. I must be missing something obvious here. This is a normal Flex SWF file that will be shown on a web page. Assuming I could import the UncaughtErrorEvent,<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/2a8643e0166156698f28141f8807d7c4?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nArti88<br \/>\nevents openlayers handling mouseup onmouseup<br \/>\nProblem encountered while trying to get coords of a point where mouseUp event happens. Here is an event handler:$(&#8216;#someDiv&#8217;) .on(&#8220;mouseup&#8221;, map, function(event) {click.trigger(event, map, d[i]); })And here is a trigger:OpenLayers.Control.Click = OpenLayers.Class(OpenLayers.Control, {defaultHandlerOptions: {&#8216;single&#8217;: true,&#8217;double&#8217;: false,&#8217;pixelTolerance&#8217;: 0,&#8217;stopSingle&#8217;: false,&#8217;stopDouble&#8217;: false},initialize: function(options) {this.handlerOptions = OpenLayers.Util.extend({}, this.defaultHandle<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/7c411478d988aeab3111d2c20ac58880?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nloungelizard<br \/>\nflash actionscript-3 global handling<br \/>\nTrying to implement the new FP 10.1 Global error handler into my projects but no matter what I do any uncaught error will still show up the Exception window (both in debug and release versions of the SWF). All I want to do is to prevent these popups but instead send a message to my logger. Here&#8217;s my code &#8230;EDIT: I simplified the code now. Could somebody do me a favor and test the following class and see if it&#8217;s works for him? Because it&#8217;s doesn&#8217;t for me! &#8230;package {import flash.display.Sprite;<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/527dddb88ea63b699d43ebfd2c7f863d?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nMichal Klouda<br \/>\njquery function handling<br \/>\nI&#8217;m working on the error handling for a jQuery practise project and I was wondering if it is possible to get the line were the error occured. For example:function number(x) {if (x === 1) {alert(&#8220;ok&#8221;);} else {alert(&#8220;Invalid number was given on line &#8230;&#8221;)} }number(2);?Now I would like to alert instead of the &#8230; the line the error occured in. Thanks in advance.<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/e8d83190efa2e657d438218c8027693b?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nimacake<br \/>\nlinux bash signals handling ctrl<br \/>\nOn Linux\/Unix there are signals. The CtrlC one (SIGINT) is obvious to me. Now, in some other applications there are signals via CtrlX?! Is that even a signal or does it generate an escape sequence? Is there anything else I can use as something similar to CtrlC ( CtrlV, CtrlX &#8230;)?If anyone has a clue, im familiar with C more than bash, but answers in both languages are appreciated!<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/ff4696e1f00cbed0ea380c2d4055dc1c?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nVee<br \/>\nc++ exception try-catch handling<br \/>\nI understand that try and catch() are used for exception handling, just in case an error or crash would occur in the program under certain cases. I also understand how they work. But why use try and catch()? Why not just use an if() statement that looks for a certain case and if that case is true, it does cout &lt;&lt; \/\/error code?<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/99eba4c2797a843865fe8ca47ca80ccd?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nNicholas Knight<br \/>\npython handling nameerror<br \/>\nI am writing a function which takes the user input:def func(input):I put in try and excepts to make sure the input is of the type I want. However, when I put in testInput, it throws a NameError vs &#8220;testInput&#8221;. I understand why as it is thinking testInput is a variable name while it knows &#8220;testInput&#8221; is a string.Is there an intelligent way to catch this error?<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/6ad2ed0302bd0b5c8807ff1998194711?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nuser1726395<br \/>\njava exception handling<br \/>\nFor school I was creating a simple Geometry program asking for the number of corners and coordinates of a shape. To prevent wrongfull entry (ie chars instead of integers) I figured I&#8217;d use exception handling. It seems to work fine, but once I have a wrong input it catches the error and set some default values. It should continue asking for more input, but somehow these end-up catching the same exception without asking for new input.public static void main(String[] args) {Scanner stdin = new Scan<\/li>\n<\/ul>\n<p id=\"rop\"><small>Originally posted 2013-12-02 21:06:43. <\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>Shrewd Demon c# exception handling i know this could be a little weird but a doubt is a doubt afterall&#8230; what would happen in the following situation&#8230;private void SendMail() {try{\/\/i try to send a mail and it throws an exception}catch(Exception ex){\/\/so i will handle that exception over here\/\/and since an exception occurred while sending a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1869","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/1869","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=1869"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/1869\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=1869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=1869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=1869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}