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  • Does constantly checking the documentation make you a bad coder?

    - by cdburgess
    When writing PHP code for any given project, do you find you can write code off the top of your head? Or do you make multiple round trips to php.net? If it is the later, can you still be considered a good coder. This is a legitimate question as I find I have difficulty always remembering all of the functions that are available to me so I find I use php.net as a crutch. Is there anyway to improve this?

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  • Pseudorandom crashes in Flash Debugger - My bad, or Abode's?

    - by rinogo
    I'm working on a large-size dual AS3/Flex project (some parts are pure AS3, other parts are Flex), and I'm experiencing a lot of Flash Debugger crashes. These crashes aren't completely random - it seems like I can get them to occur with greater consistency when I perform certain actions in my app. However, at the same time, they aren't consistently repeatable - sometimes a set of actions causes my app to crash, and other times, the same steps execute fine without a crash. I have two questions (carefully worded to remove my personal bias :) ) Are these crashes due to my coding practices, or Adobe's Flash Debugger? When I deploy my app on a web site and access it via Flash Player, should I expect the same crashes to occur, or is Flash Player considerably more resilient than Flash Debugger? Thanks so much, all! :) -Rich

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  • web.config inheritance problem

    - by abszero
    Hello everyone, I am having an issue when I try and prevent inhertiance from a parent web.config down to a child specifically related to the node. My parent web.config contains about a dozen appSettings values while my child web.config contains none. Now, I originally began wrapping around only my system.net, web, etc nodes however when I ran my child application I recieved the following error: The configuration section 'appSettings' cannot be read because it is missing a section declaration I really wasn't sure what this meant and a google search didn't yield me any decent results so I attempted to move the location node to also encompass the field in my parent web.config but to no avail. My child web.config is pretty vanilla so I am not sure what the problem is. Any help you can provide would be greatly appreciated! Thanks. The child config is completely vanilla except for the addition of an Xml Namespace and a 'clear' in the config sections as follows: <configuration xmlns="http://schemas.microsoft.com/.NetConfiguration/v2.0"> <configSections> <clear /> <sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/> <sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere" /> <section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> <section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> <section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> </sectionGroup> </sectionGroup> </sectionGroup> </configSections> The error in question is thrown at The parent web.config is far from vanilla as it is part of an Umbraco install. Here is the corrosponding section from the parent config <configuration xmlns="http://schemas.microsoft.com/.NetConfiguration/v2.0"> <configSections> <section name="urlrewritingnet" restartOnExternalChanges="true" requirePermission="false" type="UrlRewritingNet.Configuration.UrlRewriteSection, UrlRewritingNet.UrlRewriter" /> <!-- ASPNETAJAX --> <sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"> <sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"> <section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="false" allowDefinition="MachineToApplication" /> <sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"> <section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="false" allowDefinition="Everywhere" /> <section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="false" allowDefinition="MachineToApplication" /> <section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="false" allowDefinition="MachineToApplication" /> </sectionGroup> </sectionGroup> </sectionGroup> <sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"> <section name="umbraco.presentation.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" /> </sectionGroup> </configSections> The next line after the ConfigSections is: <location path="." inheritInChildApplications="false"> AppSettings, CnxStrings, System.Web, Net, WebServer settings </location>

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  • Interfaces with hibernate annotations

    - by molleman
    Hello i am wondering how i would be able to annotate an interface @Entity @Table(name = "FOLDER_TABLE") public class Folder implements Serializable, Hierarchy { @Id @GeneratedValue(strategy = GenerationType.AUTO) @Column(name = "folder_id", updatable = false, nullable = false) private int fId; @Column(name = "folder_name") private String folderName; @OneToMany(cascade = CascadeType.ALL) @JoinTable(name = "FOLDER_JOIN_FILE_INFORMATION_TABLE", joinColumns = { @JoinColumn(name = "folder_id") }, inverseJoinColumns = { @JoinColumn(name = "file_information_id") }) private List< Hierarchy > fileInformation = new ArrayList< Hierarchy >(); above and below are 2 classes that implement an interface called Hierarchy, the folder class has a list of Hierarchyies being a folder or a fileinformation class @Entity @Table(name = "FILE_INFORMATION_TABLE") public class FileInformation implements Serializable, Hierarchy { @Id @GeneratedValue(strategy = GenerationType.AUTO) @Column(name = "file_information_id", updatable = false, nullable = false) private int ieId; @Column (name = "location") private String location; i have serached the web for someway to annotate or a workaround but i cannot map the interface which is simply this public interface Hierarchy { } i get a mapping exeception on the List of hierarchyies with a folder but i dont know how to map the class correctly

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  • Using PostRequestHandlerExecute, Flush and Close to clean up after a request - why is this bad?

    - by Erwin
    After some requests I need to clean up after the user - by calling a remote web service to release some resources if I guess the user doesn't need them anymore. It is ok to leave them hanging and letting them time out on the other server, but the polite thing to do is to inform it that I do not need them anymore. I do not want to waste the users time waiting for cleaning - so I tried to find place to put it. First I tried Application_EndRequest, but I needed something later. Then I found PostRequestHandlerExecute which seemed like a nice place, but I still need a Flush and Close to release the connection to the user. Protected Sub Application_PostRequestHandlerExecute(ByVal sender As Object, ByVal e As System.EventArgs) Response.Flush() Response.Close() ' Simulation of clean up activity: System.Threading.Thread.Sleep(4000) ' Really a couple of web service calls End Sub Is there some other place I could put these lengthy clean up routines?

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  • How bad is code using std::basic_string<t> as a contiguous buffer?

    - by BillyONeal
    I know technically the std::basic_string template is not required to have contiguous memory. However, I'm curious how many implementations exist for modern compilers that actually take advantage of this freedom. For example, if one wants code like the following it seems silly to allocate a vector just to turn around instantly and return it as a string: DWORD valueLength = 0; DWORD type; LONG errorCheck = RegQueryValueExW( hWin32, value.c_str(), NULL, &type, NULL, &valueLength); if (errorCheck != ERROR_SUCCESS) WindowsApiException::Throw(errorCheck); else if (valueLength == 0) return std::wstring(); std::wstring buffer; do { buffer.resize(valueLength/sizeof(wchar_t)); errorCheck = RegQueryValueExW( hWin32, value.c_str(), NULL, &type, &buffer[0], &valueLength); } while (errorCheck == ERROR_MORE_DATA); if (errorCheck != ERROR_SUCCESS) WindowsApiException::Throw(errorCheck); return buffer; I know code like this might slightly reduce portability because it implies that std::wstring is contiguous -- but I'm wondering just how unportable that makes this code. Put another way, how may compilers actually take advantage of the freedom having noncontiguous memory allows? Oh: And of course given what the code's doing this only matters for Windows compilers.

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  • Why don't the images fully display when I convert HTML to PDF with Perl's HTML::HTMLDoc?

    - by Octopus
    I need to create a PDF file from the HTML I have created usign rrdcgi. This page contains the details and graphs in PNG format. I have written the below code using Perl module HTML::HTMLDoc to create a PDF file using saved HTML file. The images are of size width 1048 and hight 266 but when creating a PDF file the images are not shown completly from the right side. #!/usr/bin/perl use strict; use warnings; use HTML::HTMLDoc; my $filename = shift; my $htmldoc = new HTML::HTMLDoc(); $htmldoc->set_input_file($filename); $htmldoc->no_links(); $htmldoc->landscape(); $htmldoc->set_jpeg_compression('50'); $htmldoc->best_image_quality(); $htmldoc->color_on(); $htmldoc->set_right_margin('1', 'mm'); $htmldoc->set_left_margin('1', 'mm'); $htmldoc->set_bodycolor('#FFFFFF'); $htmldoc->set_browserwidth('1000'); my $pdf = $htmldoc->generate_pdf(); $pdf->to_file('foo.pdf'); I need help on following items: 1) How do I display the complete image on page. 2) How do I set a link on HTML page to create PDF file with the contents on the current page. Any help with the Perl code would be really appreciated.

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  • setCurrentTab Android

    - by Ali
    i have 4 tabs on my main screen, main ( set to current ) , Call, Email, Web When a user clicks on any of tab call, email or web, it starts making a call, or go to compose a email, or opens up the browser respectfully. Problem is, i want just three tabs (Call, Email, Web) and i Dont want any tab to be selected by default, means they should only become active when a user Touch them..(a call or any service cant be main at all) All java coding, XML file, and Manifest code is given below, XML File (tab_activity_layout) <?xml version="1.0" encoding="utf-8"?> <TabHost xmlns:android="http://schemas.android.com/apk/res/android" android:id="@android:id/tabhost" android:layout_width="fill_parent" android:layout_height="fill_parent"> <LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:padding="5dp"> <RelativeLayout android:layout_width="fill_parent" android:layout_height="fill_parent" > <TabWidget android:id="@android:id/tabs" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_alignParentBottom="true" /> <FrameLayout android:id="@android:id/tabcontent" android:layout_width="fill_parent" android:layout_height="fill_parent" android:padding="5dp"></FrameLayout> </RelativeLayout> </LinearLayout> </TabHost> Java Coding (MainTabActivity) package com.NVT.android; import android.app.TabActivity; import android.content.Intent; import android.content.res.Resources; import android.os.Bundle; import android.widget.TabHost; public class MainTabActivity extends TabActivity{ public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.tab_activity_layout); Resources res = getResources(); // Resource object to get Drawables TabHost tabHost = getTabHost(); // The activity TabHost TabHost.TabSpec spec; // Resusable TabSpec for each tab Intent intent; // Reusable Intent for each tab // Create an Intent to launch an Activity for the tab (to be reused) intent = new Intent().setClass(this, Main.class); // Initialize a TabSpec for each tab and add it to the TabHost spec = tabHost.newTabSpec("main").setIndicator("Main", res.getDrawable(R.drawable.ic_tab_artists_grey)) .setContent(intent); tabHost.addTab(spec); TabHost host=getTabHost(); host.addTab(host.newTabSpec("one") .setIndicator("Call") .setContent(new Intent(this, CallService.class))); host.addTab(host.newTabSpec("two") .setIndicator("Email") .setContent(new Intent(this, EmailService.class))); host.addTab(host.newTabSpec("three") .setIndicator("Web") .setContent(new Intent(this, WebService.class))); } } Manifest file <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.NVT.android" android:versionCode="1" android:versionName="1.0"> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".Main" android:label="@string/app_name"> <!-- <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> --> </activity> <activity android:name=".MainTabActivity" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".Courses"> </activity> <activity android:name=".CampusMap"> </activity> <activity android:name=".GettingHere"> </activity> <activity android:name=".ILoveNescot"> </activity> <activity android:name=".FurtherEducationCourses"> </activity> <activity android:name=".HigherEducationCourses"> </activity> <activity android:name=".EmployersTrainingCourses"> </activity> <activity android:name=".WebService"> </activity> <activity android:name=".CallService"> </activity> <activity android:name=".EmailService"> </activity> </application> <uses-sdk android:minSdkVersion="9" /> <uses-permission android:name="android.permission.CALL_PHONE"></uses-permission> <uses-permission android:name="android.permission.INTERNET" /> </manifest>

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  • Globals are bad! But should I use them in this context?

    - by Matt
    Would setting the $link to my database be one thing that I should use a GLOBAL scope for? In my setting of (lots of functions)...it seems as though having only one variable that is in the global scope would be wise. I am currently using the functions to transfer it back and forth so that way I do not have it in the global scope. But it is a bit of a hindrance to my script. Please advise.

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  • The same class file in multiple .jar files. How bad is this?

    - by Kannan Goundan
    I have a library that writes data in either a text or binary format. It has the following three components: common data structures text writer (depends on 1) binary writer (depends on 1) The obvious way to distribute this is as 3 .jar files, so that users can include only what they need. However, the "common data structures" component is really just two small classes so I'm considering creating only two .jar files and including the common .class files in both. My question: What are the potential problems with doing this?

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  • How can I make an AdvancedDataGrid re-display its labels when the results of the labelFunction chang

    - by Chris R
    I have an AdvancedDataGrid with a custom label function whose value can change based on other form status (specifically, there's a drop down to choose the time display format for some columns). Right now, I have this labelFunction: internal function formatColumnTime(item: Object, column: AdvancedDataGridColumn): String { var seconds: Number = item[column.dataField]; return timeFormat.selectedItem.labelFunction(seconds); } internal function formatTimeAsInterval(time: Number): String { if (isNaN(time)) return ""; var integerTime: int = Math.round(time); var seconds: int = integerTime % 60; integerTime = integerTime / 60; var minutes: int = integerTime % 60; var hours: int = integerTime / 60; return printf("%02d:%02d:%02d", hours, minutes, seconds); } internal function formatTimeAsFractions(time: Number): String { if (isNaN(time)) return ""; var hours: Number = time / 3600.0; return new String(Math.round(hours * 100) / 100); } ... and the timeFormat object is a combo box with items whose labelFunction attributes are formatTimeAsFractions and formatTimeAsInterval. The columns that have time formats have formatColumnTime as their labelFunction value, because extracting the seconds in that function and passing it in to the formatters made for a more testable app (IMHO). So, when the timeFormat.selectedItem value changes, I want to force my grid to re-calculate the labels of these colums. What method must I call on it? invalidateProperties() didn't work, so that's out.

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  • Java Interface Usage Guidelines -- Are getters and setters in an interface bad?

    - by user68759
    What do people think of the best guidelines to use in an interface? What should and shouldn't go into an interface? I've heard people say that, as a general rule, an interface must only define behavior and not state. Does this mean that an interface shouldn't contain getters and setters? My opinion: Maybe not so for setters, but sometimes I think that getters are valid to be placed in an interface. This is merely to enforce the implementation classes to implement those getters and so to indicate that the clients are able to call those getters to check on something, for example.

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  • Tabular (X)HTML forms

    - by detly
    I have a set of items that can be in various states. I want to allow a user to use an (X)HTML form to change the state, and easily view the state of a group of objects ...so to this end, I'd like a layout like: | item1 | radio button for state 1 | radio for state 2 | ... | [update button] | | item2 | radio button for state 1 | radio for state 2 | ... | [update button] | etc. I prefer the radio buttons to list boxes so that it's easy for a user to visually scan for things in a certain state. It seemed like perfectly tabular data to me. The only problem is, you can't have forms inside a table that cross table cells (ie. <tr> <form> <td> ... is invalid). I thought, "hey, I could have one giant form wrapping a table, and make the [update button] value contain the IDs for each row!" Turns out certain versions of IE send ALL THE SUBMIT BUTTON VALUES on any single form. So I thought perhaps to to lay it out with <div>s and place the forms inside a single <td>. But then they break a line on each <div>. So I fixed their width and made them float: left. But then they wrap inside the table cells if the table row is wider than the page, and the radio controls don't line up with the headings. Is it possible to lay this out as I intend? The XHTML below shows the intended structure. Observe what happens if you resize the browser window below the width of the table (ideally, the name would break or the table would show a scroll bar). <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head><title>Test</title> <style type="text/css"> .state-select, .thing-state-name, .update { float: left; width: 8em; } .state-select { text-align: center; } </style> </head> <body> <table> <thead> <tr> <th class="thing-name-header">Thing</th> <th> <div class="thing-state-name">Present</div> <div class="thing-state-name">Absent</div> <div class="thing-state-name">Haven't looked</div> </th> </tr> </thead> <tbody> <tr> <td>Apple</td> <td> <form action="something" method="post"> <input type="hidden" name="id" value="1" /> <div class="state-select"><input type="radio" name="presence" value="present" checked="checked" /></div> <div class="state-select"><input type="radio" name="presence" value="absent" /></div> <div class="state-select"><input type="radio" name="presence" value="unknown" /></div> <div class="update"><input type="submit" value="Update" /></div> </form> </td></tr> <tr> <td>Orange</td> <td> <form action="something" method="post"> <input type="hidden" name="id" value="2" /> <div class="state-select"><input type="radio" name="presence" value="present" /></div> <div class="state-select"><input type="radio" name="presence" value="absent" checked="checked" /></div> <div class="state-select"><input type="radio" name="presence" value="unknown" /></div> <div class="update"><input type="submit" value="Update" /></div> </form> </td></tr> <tr> <td>David Bowie</td> <td> <form action="something" method="post"> <input type="hidden" name="id" value="3" /> <div class="state-select"><input type="radio" name="presence" value="present" /></div> <div class="state-select"><input type="radio" name="presence" value="absent" /></div> <div class="state-select"><input type="radio" name="presence" value="unknown" checked="checked" /></div> <div class="update"><input type="submit" value="Update" /></div> </form> </td></tr> </tbody> </table> </body> </html>

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  • Bad linking in Qt unit test -- missing the link to the moc file?

    - by dwj
    I'm trying to unit test a class that inherits QObject; the class itself is located up one level in my directory structure. When I build the unit test I get the standard unresolved errors if a class' MOC file cannot be found: test.obj : error LNK2001: unresolved external symbol "public: virtual void * __thiscall UnitToTest::qt_metacast(char const *)" (?qt_metacast@UnitToTest@@UAEPAXPBD@Z) + 2 missing functions The MOC file is created but appears to not be linking. I've been poking around SO, the web, and Qt's docs for quite a while and have hit a wall. How do I get the unit test to include the MOC file in the link? ==== My project file is dead simple: TEMPLATE = app TARGET = test DESTDIR = . CONFIG += qtestlib INCLUDEPATH += . .. DEPENDPATH += . HEADERS += test.h SOURCES += test.cpp ../UnitToTest.cpp stubs.cpp DEFINES += UNIT_TEST My directory structure and files: C:. | UnitToTest.cpp | UnitToTest.h | \---test | test.cpp (Makefiles removed for clarity) | test.h | test.pro | stubs.cpp | +---debug | UnitToTest.obj | test.obj | test.pdb | moc_test.cpp | moc_test.obj | stubs.obj Edit: Additional information The generated Makefile.Debug shows the moc file missing: SOURCES = test.cpp \ ..\test.cpp \ stubs.cpp debug\moc_test.cpp OBJECTS = debug\test.obj \ debug\UnitToTest.obj \ debug\stubs.obj \ debug\moc_test.obj

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  • Convert IEnumerable<dynamic> to JsonArray

    - by Burt
    I am selecting an IEnumerable<dynamic> from the database using Rob Conery's Massive framework. The structure comes back in a flat format Poco C#. I need to transform the data and output it to a Json array (format show at bottom). I thought I could do the transform using linq (my unsuccessful effort is shown below): using System.Collections.Generic; using System.Json; using System.Linq; using System.ServiceModel.Web; .... IEnumerable<dynamic> list = _repository.All("", "", 0).ToList(); JsonArray returnValue = from item in list select new JsonObject() { Name = item.Test, Data = new dyamic(){...}... }; Here is the Json I am trying to generate: [ { "id": "1", "title": "Data Title", "data": [ { "column1 name": "the value", "column2 name": "the value", "column3 name": "", "column4 name": "the value" } ] }, { "id": "2", "title": "Data Title", "data": [ { "column1 name": "the value", "column2 name": "the value", "column3 name": "the value", "column4 name": "the value" } ] } ]

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  • Linq to Sql saying that item by 'Customer' already exists. Choose a different name.

    - by Anthony Potts
    I have been going round and round with a linq to sql file while using svn for quite some time. The latest is that my dbml file shows as having an error which states that An item named "Customer" already exists. Please choose a different name. And then it repeats that again. In fact, it says it for almost every object. What is my fix? I have tried renaming the one named Customer, but that didn't fix it. I don't know where to go to fix this. I went to the .dbml file and don't see any duplication, and I went to the .dbml.layout file and didn't see any duplication there either.

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  • Why calling Process.killProcess(Process.myPid()) is a bad idea?

    - by Tal Kanel
    I've read some posts saying using this method is "not good", shouldn't been use, it's not the right way to "close" the application and it's not how android works... I understand and accept the fact that Android OS knows better then me when it's the right time to terminate the process, but I didn't heard yet a good explanation why it's wrong using the killProcess() method?. after all - it's part of the android API... what I do know is that calling this method while other threads doing in potential an important work (operations on files, writing to DB, HTTP requests, running services..) can be terminated in the middle, and it's clearly not good. also I know I can benefit from the fact that "re-open" the application will be faster, cause the system maybe still "holds" in memory state from last time been used, and killProcess() prevents that. beside this reason, in assumption I don't have such operations, and I don't care my application will load from scratch each run, there are other reasons why not using the killProcess() method? I know about finish() method to close an Activity, so don't write me about that please.. finish() is only for Activity. not to all application, and I think I know exactly why and when to use it... and another thing - I'm developing also games with the Unity3D framework, and exporting the project to android. when I decompiled the generated apk, I was very suprised to find out that the java source code created from unity - implementing Unity's - Application.quit() method, with Process.killProcess(Process.myPid()). Application.quit() is suppose to be the right way to close game according to Unity3d guides (is it really?? maybe I'm wrong, and missed something), so how it happens that the Unity's framework developers which doing a very good work as it seems implemented this in native android to killProcess()? anyway - I wish to have a "list of reasons" why not using the killProcess() method, so please write down your answer - if you have something interesting to say about that. TIA

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  • How can I display the users profile pic using the facebook graph api?

    - by kielie
    Hi, I would like to display the users profile picture inside of my applications canvas page, is there a way to do that using the graph api? I know I can do it using FBML but I would also like to pass the profile pic to a flash game I am making, so I would have to get the profile pic from the api and send it as a variable, here is the code I have thus far, $facebook = new Facebook(array( 'appId' => FACEBOOK_APP_ID, 'secret' => FACEBOOK_SECRET_KEY, 'cookie' => true, 'domain' => 'myurl/facebook-test' )); $session = $facebook->getSession(); $uid = $facebook->getUser(); $me = $facebook->api('/me'); $updated = date("l, F j, Y", strtotime($me['updated_time'])); echo "Hello " . $me['name'] . $me['picture'] . "<br />"; echo "<div style=\"background:url(images/bg.jpg); width:760px; height:630px;\">" . "You last updated your profile on " . $updated . "</div>" . "<br /> your uid is" . $uid; Thanx in advance!

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  • Unable to display data in a WPF datagrid that has a DataView instance as the items source

    - by Jimmy W
    I am using a DataGrid object from the WPF toolkit. I am binding the DataGrid object to the default view of a DataTable instance as declared in the following code: WeatherGrid.ItemsSource = weatherDataTable.DefaultView; weatherDataTable has three columns. The first column is defined to contain a string data type. The other two columns are defined to contain double data types. When the application exits the function that calls the binding as expressed in the declaration, The DataGrid object displays data for the first column, but not the other columns. When I type the following in the immediate window in the debugger: ((DataRowView)WeatherGrid.Items[0]).Row[1] I get a number, but this doesn't correspond with what is being displayed. Why is only the first column visible, and how can I get all of the data to be visible? I'll leave my XAML definition for the DataGrid object below: <toolkit:DataGrid Margin="12.726,77.71,12,0" Name="WeatherGrid" Height="500" Grid.Row="1" VerticalAlignment="Top" CanUserAddRows="False" CanUserDeleteRows="False" IsReadOnly="True" />

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  • JSON, Ajax login and signup form problem, critique

    - by user552828
    Here is my problem; indexdeneme2.php has two forms Sign up and Login form, and there is validation.js and login.js which are handling the AJAX and JSON response, there are validate.php and login.php which are my scripts for validating and login. When you sign up, it sends the data to validate.php perfectly and validate.php response with JSON perfectly, validate.js must show the error in #error div. validation.js works perfectly if it is working alone. I use same kind of script for login form. Login.php also works perfectly it responses with JSON and login.js shows the errors are appear in #errorlogin div. But this works when login.js works alone. When I try to work login.js and validate.js together, it is not working. validate.php and login.php works perfectly but login.js and validation.js are not working together. They can't handle the responses coming from php scripts. It is not showing the errors in #errorlogin and #error div. They intercept each other I guess. By the way if you can critique my login.php and validate.php I will be really appreciated. Thank you all. this is indexdeneme2.php <?php include('functions.php')?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Untitled Document</title> <link rel="stylesheet" href="css/cssdeneme1.css" /> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script> <script type="text/javascript" src="validation.js"></script> <script type="text/javascript" src="login.js"></script> <script type="text/javascript"> var RecaptchaOptions = { theme : 'custom', custom_theme_widget: 'recaptcha_widget' }; </script> </head> <body onload="document.signup.reset()"> <div id="topbar"> <div class="wrapper"> </div> </div> <div id="middlebar"> <div class="wrapper"> <div id="middleleft"> <div id="mainformsecondcover"> <div id="mainform"> <div id="formhead"> <div id="signup">Sign Up</div> </div> <form method="post" action="validate.php" id="myform" name="signup"> <div id="form"> <table border="0" cellpadding="0" cellspacing="1"> <tbody> <tr> <td class="formlabel"> <label for="name">First Name:</label> </td> <td class="forminput"> <input type="text" name="name" id="name" /> </td> </tr> <tr> <td class="formlabel"> <label for="lastname">Last Name:</label> </td> <td class="forminput"> <input type="text" name="surname" id="lastname" /> </td> </tr> <tr> <td class="formlabel"> <label for="email">Email:</label> </td> <td class="forminput"> <input type="text" name="email" id="email" /> </td> </tr> <tr> <td class="formlabel"> <label for="remail">Re-Enter Email:</label> </td> <td class="forminput"> <input type="text" name="remail" id="remail" /> </td> </tr> <tr> <td class="formlabel"> <label for="password">Password:</label> </td> <td class="forminput"> <input type="password" name="password" id="password" maxlength="16" /> </td> </tr> <tr> <td class="formlabel"> <label for="gender">I am:</label> </td> <td class="forminput"> <select name="gender" id="gender"> <option value="0" selected="selected">-Select Sex-</option> <option value="1">Male</option> <option value="2">Female</option> </select> </td> </tr> <tr> <td class="formlabel"> <label>My Birthday:</label> </td> <td class="forminput"> <select size="1" name="day"> <option value="0" selected="selected">Day</option> <?php formDay(); ?> </select>&nbsp; <select size="1" name="month"> <option value="0" selected="selected">Month</option> <option value="1">January</option> <option value="2">February</option> <option value="3">March</option> <option value="4">April</option> <option value="5">May</option> <option value="6">June</option> <option value="7">July</option> <option value="8">August</option> <option value="9">September</option> <option value="10">October</option> <option value="11">November</option> <option value="12">December</option> </select>&nbsp; <select size="1" name="year"> <option value="0" selected="selected">Year</option> <?php formYear(); ?> </select> </td> </tr> <tr> <td class="formlabel"> <label for="recaptcha_response_field">Security Check:</label> </td> </tr> </tbody> </table> <?php require_once('captchalib.php'); ?> </div> <div id="formbottom"> <div id="error"> </div> <div id="formbottomright"> <input type="submit" id="formbutton" value="Sign Up" /> <img id="loading" src="css/images/ajax-loader.gif" height="35" width="35" alt="Processing.." style="float:right; display:block" /> </div> </div> </form> </div> </div> </div> <div id="middleright"> <div id="loginform"> <form name="login" action="login.php" method="post" id="login"> <label for="username">Email:</label> <input type="text" name="emaillogin" /> <label for="password">Password:</label> <input type="password" name="passwordlogin" maxlength="16" /> <input type="submit" value="Login" /> <img id="loading2" src="css/images/ajax-loader.gif" height="35" width="35" alt="Processing.." style="float:right; display:block" /> </form> </div> <div id="errorlogin"></div> </div> </div> </div> <div id="bottombar"> <div class="wrapper"></div> </div> </body> </html> validation.js $(document).ready(function(){ $('#myform').submit(function(e) { register(); e.preventDefault(); }); }); function register() { hideshow('loading',1); error(0); $.ajax({ type: "POST", url: "validate.php", data: $('#myform').serialize(), dataType: "json", success: function(msg){ if(parseInt(msg.status)==1) { window.location=msg.txt; } else if(parseInt(msg.status)==0) { error(1,msg.txt); Recaptcha.reload(); } hideshow('loading',0); } }); } function hideshow(el,act) { if(act) $('#'+el).css('visibility','visible'); else $('#'+el).css('visibility','hidden'); } function error(act,txt) { hideshow('error',act); if(txt) $('#error').html(txt); } login.js $(document).ready(function(){ $('#login').submit(function(e) { login(); e.preventDefault(); }); }); function login() { error(2); $.ajax({ type: "POST", url: "login.php", data: $('#login').serialize(), dataType: "json", success: function(msg){ if(parseInt(msg.status)==3) { window.location=msg.txt; } else if(parseInt(msg.status)==2) { error(3,msg.txt); } } }); } function error(act,txt) { hideshow('error',act); if(txt) $('#errorlogin').html(txt); } login.php <?php session_start(); require("connect.php"); $email = $_POST['emaillogin']; $password = $_POST['passwordlogin']; $email = mysql_real_escape_string($email); $password = mysql_real_escape_string($password); if(empty($email)) { die('{status:2,txt:"Enter your email address."}'); } if(!filter_var($email, FILTER_VALIDATE_EMAIL)) { die('{status:2,txt:"Invalid email or password"}'); } if(empty($password)) { die('{status:2,txt:"Enter your password."}'); } if(strlen($password)<6 || strlen($password)>16) { die('{status:2,txt:"Invalid email or password"}'); } $query = "SELECT password, salt FROM users WHERE Email = '$email';"; $result = mysql_query($query); if(mysql_num_rows($result) < 1) //no such user exists { die('{status:2,txt:"Invalid email or password"}'); } $userData = mysql_fetch_array($result, MYSQL_ASSOC); $hash = hash('sha256', $userData['salt'] . hash('sha256', $password) ); if($hash != $userData['password']) //incorrect password { die('{status:2,txt:"Invalid email or password"}'); } //////////////////////////////////////////////////////////////////////////////////// if('{status:3}') { session_regenerate_id (); //this is a security measure $getMemDetails = "SELECT * FROM users WHERE Email = '$email'"; $link = mysql_query($getMemDetails); $member = mysql_fetch_row($link); $_SESSION['valid'] = 1; $_SESSION['userid'] = $member[0]; $_SESSION['name'] = $member[1]; session_write_close(); mysql_close($con); echo '{status:3,txt:"success.php"}'; } validate.php <?php $name = $_POST['name']; $surname = $_POST['surname']; $email = $_POST['email']; $remail = $_POST['remail']; $gender = $_POST['gender']; $bdate = $_POST['year'].'-'.$_POST['month'].'-'.$_POST['day']; $bday = $_POST['day']; $bmon = $_POST['month']; $byear = $_POST['year']; $cdate = date("Y-n-j"); $password = $_POST['password']; $hash = hash('sha256', $password); $regdate = date("Y-m-d"); function createSalt() { $string = md5(uniqid(rand(), true)); return substr($string, 0, 3); } $salt = createSalt(); $hash = hash('sha256', $salt . $hash); if(empty($name) || empty($surname) || empty($email) || empty($remail) || empty($password) ) { die('{status:0,txt:"All the fields are required"}'); } if(!preg_match('/^[A-Za-z\s ]+$/', $name)) { die('{status:0,txt:"Please check your name"}'); } if(!preg_match('/^[A-Za-z\s ]+$/', $surname)) { die('{status:0,txt:"Please check your last name"}'); } if($bdate > $cdate) { die('{status:0,txt:"Please check your birthday"}'); } if(!(int)$gender) { die('{status:0,txt:"You have to select your sex"}'); } if(!(int)$bday || !(int)$bmon || !(int)$byear) { die('{status:0,txt:"You have to fill in your birthday"}'); } if(!$email == $remail) { die('{status:0,txt:"Emails doesn&sbquo;t match"}'); } if(!filter_var($email, FILTER_VALIDATE_EMAIL)) { die('{status:0,txt:"Enter a valid email"}'); } if(strlen($password)<6 || strlen($password)>16) { die('{status:0,txt:"Password must be between 6-16 characters"}'); } if (!$_POST["recaptcha_challenge_field"]===$_POST["recaptcha_response_field"]) { die('{status:0,txt:"You entered incorrect security code"}'); } if('{status:1}') { require("connect.php"); function getRealIpAddr() { if (!empty($_SERVER['HTTP_CLIENT_IP'])) { $ip=$_SERVER['HTTP_CLIENT_IP']; } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { $ip=$_SERVER['HTTP_X_FORWARDED_FOR']; } else { $ip=$_SERVER['REMOTE_ADDR']; } return $ip; } $rip = getRealIpAddr(); $ipn = inet_pton($rip); $checkuser = mysql_query("SELECT Email FROM users WHERE Email = '$email'"); $username_exist = mysql_num_rows($checkuser); if ( $username_exist !== 0 ) { mysql_close($con); die('{status:0,txt:"This email Address is already registered!"}'); } else { $query = "INSERT INTO users (name, surname, date, Email, Gender, password, salt, RegistrationDate, IP) VALUES ('$name', '$surname', '$bdate', '$email', '$gender', '$hash', '$salt', '$cdate', '$ipn')"; $link = mysql_query($query); if(!$link) { die('Becerilemedi: ' . mysql_error()); } else { mysql_close($con); echo '{status:1,txt:"afterreg.php"}'; } } } ?> css of indexdeneme2.php * { padding:0; margin:0; } #topbar { width:100%; height:50px; } .wrapper { margin:0 auto; width:1000px; height:100%; } #middlebar { width:100%; height:650px; } #middleleft { width:55%; float:left; height:650px; } #middleright { width:45%; float:right; height:650px; } #mainformsecondcover { width:404px; padding:0px; margin:0px; border:4px solid #59B; border-radius: 14px; -moz-border-radius: 14px; -webkit-border-radius: 14px; } #mainform { width:400px; border:2px solid #CCC; border-radius: 11px; -moz-border-radius: 11px; -webkit-border-radius: 11px; } #formhead { margin:7px; } #signup { margin-top:13px; margin-left:13px; margin-bottom:3px; color:#333; font-size:18px; font-family:"Lucida Sans Unicode", "Lucida Grande", sans-serif; font-weight:bold } #form { margin:7px; } #form table { margin:0px; width:380px; } #form table tr{ height:28px; } #form table td{ height:18px; } .formlabel { cursor:pointer; display:table-cell; text-align:right; font-size:12px; color:#000; font-weight:normal; vertical-align:middle; font-family:"Lucida Sans Unicode", "Lucida Grande", sans-serif; letter-spacing:1px; width:120px; height:37px; padding-right:5px; } .formlabel label{ cursor:pointer } .forminput input { width:240px; font-size:13px; padding:4px; } #recaptcha_image { width:300px; height:57px; border:2px solid #CCC; } #recaptcha_widget { margin-left:35px; } #securityinfo { font-size: 11px; line-height: 16px; } #formbottom { width:360px; min-height:45px; } #error { float:left; width:200px; border:1px solid #F00; margin-left:20px; margin-top:7px; text-align:center; color:#F00; font-family:"Lucida Sans Unicode", "Lucida Grande", sans-serif; font-size:11px; line-height:16px; padding:2px; visibility:hidden; } #errorlogin { float:left; width:200px; border:1px solid #F00; margin-left:20px; margin-top:7px; text-align:center; color:#F00; font-family:"Lucida Sans Unicode", "Lucida Grande", sans-serif; font-size:11px; line-height:16px; padding:2px; visibility:hidden; } #formbottomright { float:right; height:45px; width:115px; margin-left:5px; } #loading { visibility:hidden; } #loading2 { visibility:hidden; } #formbutton { display:block; font-size:14px; color:#FFF; background: #0b85c6; /* Old browsers */ background: -moz-linear-gradient(top, #0b85c6 0%, #59b 100%); /* FF3.6+ */ background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#0b85c6), color-stop(100%,#59b)); /* Chrome,Safari4+ */ background: -webkit-linear-gradient(top, #0b85c6 0%,#59b 100%); /* Chrome10+,Safari5.1+ */ background: -o-linear-gradient(top, #0b85c6 0%,#59b 100%); /* Opera11.10+ */ background: -ms-linear-gradient(top, #0b85c6 0%,#59b 100%); /* IE10+ */ filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#0B85C6', endColorstr='#59B',GradientType=0 ); /* IE6-9 */ background: linear-gradient(top, #0b85c6 0%,#59b 100%); /* W3C */ font-family:"Lucida Sans Unicode", "Lucida Grande", sans-serif; height:26px; width:60px; margin:7px; text-align:center; padding-bottom:4px; padding-left:4px; padding-right:4px; float:left; margin-right:5px; } #bottombar { width:100%; height:50px; } {}

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  • HTML Element doesn't display when served with php5, restart server with php4 and Element displays.

    - by togglemedia
    Get this...I start the server in php5 and a specific HTML element ('a' element with a background image) is nowhere to be seen, I reboot the server in php4 and the HTML element is displaying properly. I boot back and forth between php5 and php4 with absolute consistent results, not displaying in php5 and displaying in php4. The thing that blows my mind is that: the HTML is consistent between boots of php5/4, so both scenarios have the necessary HTML elements the CSS is consistent between boots of php5/4, so both scenarios have the necessary CSS definitions there is an identically styled sibling element, with different class name that displays properly the problem is reproducible between browsers, between platforms. I've tested it on every possible config, Mac/Windows, IE6,7,8, FireFox, Safari etc... When the server is booted in php5 there is one HTML element that just doesn't display/render. A stab in the dark, I turned on PHP error reporting in php5 (to see if there would be any clues there) and low and behold the HTML element is now rendering in php5. I turn off PHP error reporting, and restart php5 and the HTML element is still rendering in php5, and the problem has been fixed...and I can't get the problem to reproduce. This is why my curiosity has brought me here. I just spent about four hours scratching my head trying to figure out how this could be. And now, I ask any php web dev gurus out there...what the heck was this all about?

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  • Is it bad practice to apply class-based design to JavaScript programs?

    - by helixed
    JavaScript is a prototyped-based language, and yet it has the ability to mimic some of the features of class-based object-oriented languages. For example, JavaScript does not have a concept of public and private members, but through the magic of closures, it's still possible to provide the same functionality. Similarly, method overloading, interfaces, namespaces and abstract classes can all be added in one way or another. Lately, as I've been programming in JavaScript, I've felt like I'm trying to turn it into a class-based language instead of using it in the way it's meant to be used. It seems like I'm trying to force the language to conform to what I'm used to. The following is some JavaScript code I've written recently. It's purpose is to abstract away some of the effort involved in drawing to the HTML5 canvas element. /* Defines the Drawing namespace. */ var Drawing = {}; /* Abstract base which represents an element to be drawn on the screen. @param The graphical context in which this Node is drawn. @param position The position of the center of this Node. */ Drawing.Node = function(context, position) { return { /* The method which performs the actual drawing code for this Node. This method must be overridden in any subclasses of Node. */ draw: function() { throw Exception.MethodNotOverridden; }, /* Returns the graphical context for this Node. @return The graphical context for this Node. */ getContext: function() { return context; }, /* Returns the position of this Node. @return The position of this Node. */ getPosition: function() { return position; }, /* Sets the position of this Node. @param thePosition The position of this Node. */ setPosition: function(thePosition) { position = thePosition; } }; } /* Define the shape namespace. */ var Shape = {}; /* A circle shape implementation of Drawing.Node. @param context The graphical context in which this Circle is drawn. @param position The center of this Circle. @param radius The radius of this circle. @praram color The color of this circle. */ Shape.Circle = function(context, position, radius, color) { //check the parameters if (radius < 0) throw Exception.InvalidArgument; var node = Drawing.Node(context, position); //overload the node drawing method node.draw = function() { var context = this.getContext(); var position = this.getPosition(); context.fillStyle = color; context.beginPath(); context.arc(position.x, position.y, radius, 0, Math.PI*2, true); context.closePath(); context.fill(); } /* Returns the radius of this Circle. @return The radius of this Circle. */ node.getRadius = function() { return radius; }; /* Sets the radius of this Circle. @param theRadius The new radius of this circle. */ node.setRadius = function(theRadius) { radius = theRadius; }; /* Returns the color of this Circle. @return The color of this Circle. */ node.getColor = function() { return color; }; /* Sets the color of this Circle. @param theColor The new color of this Circle. */ node.setColor = function(theColor) { color = theColor; }; //return the node return node; }; The code works exactly like it should for a user of Shape.Circle, but it feels like it's held together with Duct Tape. Can somebody provide some insight on this?

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  • Is it good or bad practice to use var everywhere? [closed]

    - by Earlz
    Possible Duplicate: Use of var keyword in C# Hello, I've recently been discovering the awesomeness that is the var keyword in C#. Well, I didn't think about it before but I just wrote lines of code that are along the lines of var con=CreateNewConnection(); Where this would usually be IdbConnection con=CreateNewConnection(); Is this a good use of var? Is it possible to use var too often? Are there any downsides to using it? Also, one more point of consideration: We are not worried about backwards compatability. We just care that it runs on .NET 3.5

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  • Why is using OPENQUERY on a local server bad?

    - by Ziplin
    I'm writing a script that is supposed to run around a bunch of servers and select a bunch of data out of them, including the local server. The SQL needed to SELECT the data I need is pretty complicated, so I'm writing sort of an ad-hoc view, and using an OPENQUERY statement to get the data, so ultimately I end up looping over a statement like this: exec('INSERT INTO tabl SELECT * FROM OPENQUERY(@Server, @AdHocView)') However, I've heard that using OPENQUERY on the local server is frowned upon. Could someone elaborate as to why?

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