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Articles indexed in November 2013

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  • PHP Initialising strings as boolean first

    - by Anriëtte Myburgh
    I'm in the habit of initialising variables in PHP to false and then applying whatever (string, boolean, float) value to it later. Which would you reckon is better? $name = false; if (condition == true) { $name = $something_else; } if ($name) { …do something… } vs. $name =''; if (condition == true) { $name = $something_else; } if (!empty($name)) { …do something… } Which would you reckon can possibly give better performance? Which method would you use?

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  • How do I make java wait for boolean to run funciton

    - by TWeeKeD
    I'm sure this is pretty simple but I can't figure out and it sucks I'm up on suck on (what should be) an easy step. ok. I have a method that runs one function that give a response. this method actually handles the uploading of the file so o it takes a second to give a response. I need this response in the following method. sendPicMsg needs to complete and then forward it's response to sendMessage. Please help. b1.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { if(!uploadMsgPic.equalsIgnoreCase("")){ Log.v("response","Pic in storage"); sendPicMsg(); sendMessage(); }else{ sendMessage(); } 1st Method public void sendPicMsg(){ Log.v("response", "sendPicMsg Loaded"); if(!uploadMsgPic.equalsIgnoreCase("")){ final SharedPreferences preferences = this.getActivity().getSharedPreferences("MyPreferences", getActivity().MODE_PRIVATE); AsyncHttpClient client3 = new AsyncHttpClient(); RequestParams params3 = new RequestParams(); File file = new File(uploadMsgPic); try { File f = new File(uploadMsgPic.replace(".", "1.")); f.createNewFile(); //Convert bitmap to byte array Bitmap bitmap = decodeFile(file,400); ByteArrayOutputStream bos = new ByteArrayOutputStream(); bitmap.compress(CompressFormat.PNG, 0 /*ignored for PNG*/, bos); byte[] bitmapdata = bos.toByteArray(); //write the bytes in file FileOutputStream fos = new FileOutputStream(f); fos.write(bitmapdata); params3.put("file", f); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } params3.put("email", preferences.getString("loggedin_user", "")); params3.put("webversion", "1"); client3.post("http://peekatu.com/apiweb/msgPic_upload.php",params3, new AsyncHttpResponseHandler() { @Override public void onSuccess(String response) { Log.v("response", "Upload Complete"); refreshChat(); //responseString = response; Log.v("response","msgPic has been uploaded"+response); //parseChatMessages(response); response=picurl; uploadMsgPic = ""; if(picurl!=null){ Log.v("response","picurl is set"); } if(picurl==null){ Log.v("response", "picurl no ready"); }; } }); sendMessage(); } } 2nd Method public void sendMessage(){ final SharedPreferences preferences = this.getActivity().getSharedPreferences("MyPreferences", getActivity().MODE_PRIVATE); if(preferences.getString("Username", "").length()<=0){ editText1.setText(""); Toast.makeText(this.getActivity(), "Please Login to send messages.", 2); return; } AsyncHttpClient client = new AsyncHttpClient(); RequestParams params = new RequestParams(); if(type.equalsIgnoreCase("3")){ params.put("toid",user); params.put("action", "sendprivate"); }else{ params.put("room", preferences.getString("selected_room", "Adult Lobby")); params.put("action", "insert"); } Log.v("response", "Sending message "+editText1.getText().toString()); params.put("message",editText1.getText().toString() ); params.put("media", picurl); params.put("email", preferences.getString("loggedin_user", "")); params.put("webversion", "1"); client.post("http://peekatu.com/apiweb/messagetest.php",params, new AsyncHttpResponseHandler() { @Override public void onSuccess(String response) { refreshChat(); //responseString = response; Log.v("response", response); //parseChatMessages(response); if(picurl!=null) Log.v("response", picurl); } }); editText1.setText(""); lv.setSelection(adapter.getCount() - 1); }

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  • Joining two select queries and ordering results

    - by user1
    Basically I'm just unsure as to why this query is failing to execute: (SELECT replies.reply_post, replies.reply_content, replies.reply_date AS d, members.username FROM (replies) AS a INNER JOIN members ON replies.reply_by = members.id) UNION (SELECT posts.post_id, posts.post_title, posts.post_date AS d, members.username FROM (posts) as b WHERE posts.post_set = 0 INNER JOIN members ON posts.post_by = members.id) ORDER BY d DESC LIMIT 5 I'm getting this error: #1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'a INNER JOIN members ON replies.re' at line 2 All I'm trying to do is select the 5 most recent rows (dates) from these two tables. I've tried Join, union etc and I've seen numerous queries where people have put another query after the FROM statement and that just makes no logical sense to me as to how that works? Am I safe to say that you can join the same table from two different but joined queries? Or am I taking completely the wrong approach, because frankly I can't seem see how this query is failing despite reading the error message. (The two queries on there own work fine)

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  • Bug on submitted app binary but not in the simulator - CALayer position contains NaN

    - by Jonathan Thurft
    I submitted my app to the App Store where is ready to download. I've since then received some interesting crash reports when people select an image from the ImagePicker in one of my views. This bug (see below) makes the app crash. I was wondering 2 things. Can anyone spot the problem in the code below? How do you deal with bugs that are only in the App Binary but do not show up when trying to recreate them on the dev environment? - I can make the app crash with the Binary that is on the app store but when I do the same on the simulator or on my test phone the app works perfectly.. The Crash report in BugSense CALayer position contains NaN: [798 nan] Class: CALayerInvalidGeometry 0x00120e99 -[imageCroppingViewController imagePickerController:didFinishPickingMediaWithInfo:] (imageCroppingViewController.m:126) + 163481 The Code - (void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info { UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage]; imageView.image = image; CGRect rect; rect.size.width = image.size.width; rect.size.height = image.size.height; imageView.center = scrollView.center; [imageView setFrame:rect]; scrollView.contentSize = imageView.frame.size; self.navigationController.navigationBar.hidden = NO; [myPicker.view removeFromSuperview]; }

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  • c# deleting whole row in access database

    - by user2978474
    I have question about my problem. Thru manustrip in form1 i have made new form2 when i click on a right option. This form is for deleting data in access database if you pick in combobox ID of row it deletes the whole row wher is ID 4 or somethig else... My combobox is connected on my database. my code: public partial class Form2 : Form { public string myConnectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Users\Bojan\Desktop\Programiranje\School\Novo\Novo\Ure.accdb"; // to je provider za Access 2007 in vec - ce ga ni na lokalni mašini ga je treba namestiti!!! public Form2() { InitializeComponent(); } private void Form2_Load(object sender, EventArgs e) { // TODO: This line of code loads data into the 'dataSet1.Ure' table. You can move, or remove it, as needed. this.ureTableAdapter.Fill(this.dataSet1.Ure); } private void Brisanje_Click(object sender, EventArgs e) { OleDbConnection myConnection = null; myConnection = new OleDbConnection(); // kreiranje konekcije myConnection.ConnectionString = myConnectionString; myConnection.Open(); OleDbCommand cmd = myConnection.CreateCommand(); cmd.Connection = myConnection; cmd.CommandText = "DELETE FROM Ure WHERE (ID) = '"+Izbor.SelectedValue+"'"; cmd.ExecuteNonQuery(); cmd.Prepare(); myConnection.Close(); } } Thanks for your help

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  • Unable to output XML data in a manageable way

    - by Rob
    I've been given data from a previous version of a website (it was a custom CMS) and am looking to get it into a state that I can import it into my Wordpress site. This is what I'm working on - http://www.teamworksdesign.com/clients/ciw/datatest/index.php. If you scroll down to row 187 the data starts to fail (there should be a red message) with the following error message: Fatal error: Uncaught exception 'Exception' with message 'String could not be parsed as XML' in /home/teamwork/public_html/clients/ciw/datatest/index.php:132 Stack trace: #0 /home/teamwork/public_html/clients/ciw/datatest/index.php(132): SimpleXMLElement-__construct(' Can anyone see what the problem is and how to fix it? This is how I'm outputting the date: <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> </head> <body> <?php ini_set('memory_limit','1024M'); ini_set('max_execution_time', 500); //300 seconds = 5 minutes echo "<br />memory_limit: " . ini_get('memory_limit') . "<br /><br />"; echo "<br />max_execution_time: " . ini_get('max_execution_time') . "<br /><br />"; libxml_use_internal_errors(true); $z = new XMLReader; $z->open('dbo_Content.xml'); $doc = new DOMDocument; $doc->preserveWhiteSpace = false; // move to the first <product /> node while ($z->read() && $z->name !== 'dbo_Content'); $c = 0; // now that we're at the right depth, hop to the next <product/> until the end of the tree while ($z->name === 'dbo_Content') { if($c < 201) { // either one should work $node = simplexml_import_dom($doc->importNode($z->expand(), true)); if($node->ClassId == 'policydocument') { $c++; echo "<h1>Row: $c</h1>"; echo "<pre>"; echo htmlentities($node->XML) . "<br /><br /><br /><b>*******</b><br /><br /><br />"; echo "</pre>"; try{ $xmlObject = new SimpleXMLElement($node->XML); foreach ($xmlObject->fields[0]->field as $field) { switch((string) $field['name']) { case 'parentId': echo "<b>PARENT ID: </b> " . $field->value . "<br />"; break; case 'title': echo "<b>TITLE: </b> " . $field->value . "<br />"; break; case 'summary': echo "<b>SUMMARY: </b> " . $field->value . "<br />"; break; case 'body': echo "<b>BODY:</b> " . $field->value . "<br />"; break; case 'published': echo "<b>PUBLISHED:</b> " . $field->value . "<br />"; break; } } echo '<br /><h2 style="color:green;">Success on node: '.$node->ContentId.'</h2><hr /><br />'; } catch (Exception $e){ echo '<h2 style="color:red;">Failed on node: '.$node->ContentId.'</h2>'; } } // go to next <product /> $z->next('dbo_Content'); } } ?> </body> </html>

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  • Assigning values to the lable through database depending on listbox values

    - by SurajVitekar
    I want to assign the values of five labels from database regarding to values selected in listbox. The db query returns single column with multiple records. Please help. I'm working with C# 2010 and MS SQL. My current code is: private void listBox1_SelectedIndexChanged(object sender, EventArgs e) { try { String c1, c2; c1 = "NULL"; MessageBox.Show("LB index :"+listBox1.SelectedIndex.ToString()); //p = listBox1.SelectedItem.ToString(); SqlConnection con = new SqlConnection(); con.ConnectionString = "Data Source=localhost;Initial Catalog=eVoting;Integrated Security=True;Pooling=False"; con.Open(); MessageBox.Show("List bOx sect :"+listBox1.SelectedValue.ToString()); SqlCommand cmd = new SqlCommand("select Firstname from candidates where position ='" + listBox1.SelectedValue.ToString() + "'", con); int index = 0; SqlDataReader reader = cmd.ExecuteReader(); while(reader.Read()) { if (index == 0) { c1 = reader[index].ToString(); radioButton1.Text = c1; } if (index == 1) { c1 = reader[index].ToString(); radioButton2.Text = c1; } if (index == 2) { c1 = reader[index].ToString(); radioButton3.Text = c1; } if (index == 3) { c1 = reader[index].ToString(); radioButton4.Text = c1; } if (index == 4) { c1 = reader[index].ToString(); radioButton4.Text = c1; } if (index == 5) { c1 = reader[index].ToString(); radioButton5.Text = c1; } MessageBox.Show("c1 :" + c1); index++; } } catch (Exception E) { } }

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  • Prevent delegate method from being called too often

    - by Lord Zsolt
    How would you add a delay between certain method being called? This is my code that I want to only trigger 30 times per second: - (void) scrollViewDidScroll: (UIScrollView*)scrollView { [self performSelector:@selector(needsDisplay) withObject:nil afterDelay:0.033]; } - (void) needsDisplay { [captureView setNeedsDisplay]; } If I leave it like this, it only gets called after the user stopped scrolling. What I want to do is call the method when the user is scrolling, but with a delay of 33 milliseconds between each call.

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  • ClickOnce related

    - by Nair
    After publishing a WPF application to a central location using ClickOnce, I am getting following exception when user tries to access the application. There are other applications, which works fine for them and issue is only when they access a particular application. I can't workout why this hence the exception doesn't seems to be very helpful. Problem signature: Problem Event Name: CLR20r3 Problem Signature 01: KG0SYKVDCXEI452K403RIQ4BNPUF3BQA Problem Signature 02: 1.0.0.0 Problem Signature 03: 528094d2 Problem Signature 04: System.Data Problem Signature 05: 4.0.0.0 Problem Signature 06: 4dd23ac7 Problem Signature 07: 24da Problem Signature 08: 2c Problem Signature 09: System.Windows.Markup.XamlParse OS Version: 6.1.7601.2.1.0.256.48 Locale ID: 2057 Additional Information 1: 0a9e Additional Information 2: 0a9e372d3b4ad19135b953a78882e789 Additional Information 3: 0a9e Additional Information 4: 0a9e372d3b4ad19135b953a78882e789 Read our privacy statement online: http://go.microsoft.com/fwlink/?linkid=104288&clcid=0x0409 If the online privacy statement is not available, please read our privacy statement offline: C:\Windows\system32\en-US\erofflps.txt

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  • No EJB receiver available for handling [appName:,modulename:HelloWorldSessionBean,distinctname:]

    - by zoit
    I'm trying to develop my first EJB with an Example I found, I have the next mistake: Exception in thread "main" java.lang.IllegalStateException: No EJB receiver available for handling [appName:,modulename:HelloWorldSessionBean,distinctname:] combination for invocation context org.jboss.ejb.client.EJBClientInvocationContext@41408b80 at org.jboss.ejb.client.EJBClientContext.requireEJBReceiver(EJBClientContext.java:584) at org.jboss.ejb.client.ReceiverInterceptor.handleInvocation(ReceiverInterceptor.java:119) at org.jboss.ejb.client.EJBClientInvocationContext.sendRequest(EJBClientInvocationContext.java:181) at org.jboss.ejb.client.EJBInvocationHandler.doInvoke(EJBInvocationHandler.java:136) at org.jboss.ejb.client.EJBInvocationHandler.doInvoke(EJBInvocationHandler.java:121) at org.jboss.ejb.client.EJBInvocationHandler.invoke(EJBInvocationHandler.java:104) at $Proxy0.sayHello(Unknown Source) at com.ibytecode.client.EJBApplicationClient.main(EJBApplicationClient.java:16) I use JBOSS 7.1, and the code is this: HelloWorld.java package com.ibytecode.business; import javax.ejb.Remote; @Remote public interface HelloWorld { public String sayHello(); } HelloWorldBean.java package com.ibytecode.businesslogic; import com.ibytecode.business.HelloWorld; import javax.ejb.Stateless; /** * Session Bean implementation class HelloWorldBean */ @Stateless public class HelloWorldBean implements HelloWorld { /** * Default constructor. */ public HelloWorldBean() { } public String sayHello() { return "Hello World !!!"; } } EJBApplicationClient.java: package com.ibytecode.client; import javax.naming.Context; import javax.naming.NamingException; import com.ibytecode.business.HelloWorld; import com.ibytecode.businesslogic.HelloWorldBean; import com.ibytecode.clientutility.ClientUtility; public class EJBApplicationClient { public static void main(String[] args) { // TODO Auto-generated method stub HelloWorld bean = doLookup(); System.out.println(bean.sayHello()); // 4. Call business logic } private static HelloWorld doLookup() { Context context = null; HelloWorld bean = null; try { // 1. Obtaining Context context = ClientUtility.getInitialContext(); // 2. Generate JNDI Lookup name String lookupName = getLookupName(); // 3. Lookup and cast bean = (HelloWorld) context.lookup(lookupName); } catch (NamingException e) { e.printStackTrace(); } return bean; } private static String getLookupName() { /* The app name is the EAR name of the deployed EJB without .ear suffix. Since we haven't deployed the application as a .ear, the app name for us will be an empty string */ String appName = ""; /* The module name is the JAR name of the deployed EJB without the .jar suffix. */ String moduleName = "HelloWorldSessionBean"; /*AS7 allows each deployment to have an (optional) distinct name. This can be an empty string if distinct name is not specified. */ String distinctName = ""; // The EJB bean implementation class name String beanName = HelloWorldBean.class.getSimpleName(); // Fully qualified remote interface name final String interfaceName = HelloWorld.class.getName(); // Create a look up string name String name = "ejb:" + appName + "/" + moduleName + "/" + distinctName + "/" + beanName + "!" + interfaceName; return name; } } ClientUtility.java package com.ibytecode.clientutility; import java.util.Properties; import javax.naming.Context; import javax.naming.InitialContext; import javax.naming.NamingException; public class ClientUtility { private static Context initialContext; private static final String PKG_INTERFACES = "org.jboss.ejb.client.naming"; public static Context getInitialContext() throws NamingException { if (initialContext == null) { Properties properties = new Properties(); properties.put("jboss.naming.client.ejb.context", true); properties.put(Context.URL_PKG_PREFIXES, PKG_INTERFACES); initialContext = new InitialContext(properties); } return initialContext; } } properties.file: remote.connectionprovider.create.options.org.xnio.Options.SSL_ENABLED=false remote.connections=default remote.connection.default.host=localhost remote.connection.default.port = 4447 remote.connection.default.connect.options.org.xnio.Options.SASL_POLICY_NOANONYMOUS=false This is what I have. Why I have this?. Thanks so much. Regards

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  • How to redefine symbol names in objects with RVCT?

    - by Batuu
    I currently develop a small OS for an embedded platform based on a ARM Cortex-M3 microcontroller. The OS provides an API for customer application development. The OS kernel and the API is compiled into a static lib by the ARMCC compiler and customer can link his application against it. The lib and the containing object files offer the complete list of symbols used in kernel. To "protect" the kernel and its inner states from extern hooking into obvious variables and functions, I would like to do some easy obfuscation by renaming the symbols randomly. The GNU binutils seems to do this by calling objcopy with the --redefine-sym flag. The GNU binutils cannot read the ARMCC / RVCT objects. Is there any solution to do this kind of obfuscation with RVCT?

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  • What causes session/forms authentication timeouts in MVC3

    - by SimpleUser
    Can somebody please let me know what are the reasons for your authentication to die suddenly, even when you are working on an application without any idle time? Both with and without AJAX calls. And what are the different reasons for getting a 302 redirect from an MVC3 application to the Logon page. Been struggling with an issue with timeouts that happen at random. Sometimes within a few minutes of login to the application and sometimes you can go for hours (with/without idle time) without being thrown out. Thank You

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  • Auto refresh of page in Rails 3 using javascript

    - by teknull
    I have a view in my rails app: blah.app/units/status This displays a status of all my units. I'd like to have the page automatically refresh via javascript but I'm not sure how to do it. I tried writing this but it doesn't reload: <script> $(function() { setInterval(function(){ $.getScript("/units/status"); }, 10000); }); </script> Can someone point out where I'm going wrong here?

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  • Approach For Syncing One SharePoint List With One or More SharePoint Lists

    - by plattnum
    What would be the best approach or strategy for configuring, customizing or developing in SharePoint a solution that allows me to keep one or more SharePoint lists in sync with a SharePoint list I have designated as a master or parent list. I would like to be able to create a master/parent list of some information that can be extended or used by different parts of the organization without them being able to CRUD any items on the actual columns of the master list. (I have seen some commercial web parts that offer column security on SharePoint lists and although that’s one way of potentially meeting my needs I would like to explore other options.) Scenario: I have a list called FOO: FOO Title Description I would like to create a new list BAR based off of FOO (BAR is managed by sub-organization that doesn't have access to FOO List): BAR FOO.Title (Read-Only) FOO.Description (Read-Only) NewColumn1 NewColumn2 Actions: Create- If a new item is entered in FOO I would like the new item added to BAR. Read - N/A Update - If the title or description is changed in FOO I would like it changed in BAR. Delete- No Deletes in the scenario. (Deletes are handled by the business with status column.) Templates with content extraction offer me this but it’s a one time shot at list creation. Just not sure what the best approach or strategy would be for this in MOSS 2007. Thanks!

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  • Is there any well-known paradigm for iterating enum values?

    - by SadSido
    I have some C++ code, in which the following enum is declared: enum Some { Some_Alpha = 0, Some_Beta, Some_Gamma, Some_Total }; int array[Some_Total]; The values of Alpha, Beta and Gamma are sequential, and I gladly use the following cycle to iterate through them: for ( int someNo = (int)Some_Alpha; someNo < (int)Some_Total; ++someNo ) {} This cycle is ok, until I decide to change the order of the declarations in the enum, say, making Beta the first value and Alpha - the second one. That invalidates the cycle header, because now I have to iterate from Beta to Total. So, what are the best practices of iterating through enum? I want to iterate through all the values without changing the cycle headers every time. I can think of one solution: enum Some { Some_Start = -1, Some_Alpha, ... Some_Total }; int array[Some_Total]; and iterate from (Start + 1) to Total, but it seems ugly and I have never seen someone doing it in the code. Is there any well-known paradigm for iterating through the enum, or I just have to fix the order of the enum values? (let's pretend, I really have some awesome reasons for changing the order of the enum values)...

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  • Turn off Windows Defender on your builds

    - by george_v_reilly
    I've spent some time this evening profiling a Python application on Windows, trying to find out why it was so much slower than on Mac or Linux. The application is an in-house build tool which reads a number of config files, then writes some output files. Using the RunSnakeRun Python profile viewer on Windows, two things immediately leapt out at me: we were running os.stat a lot and file.close was really expensive. A quick test convinced me that we were stat-ing the same files over and over. It was a combination of explicit checks and implicit code, like os.walk calling os.path.isdir. I wrote a little cache that memoizes the results, which brought the cost of the os.stats down from 1.5 seconds to 0.6. Figuring out why closing files was so expensive was harder. I was writing 77 files, totaling just over 1MB, and it was taking 3.5 seconds. It turned out that it wasn't the UTF-8 codec or newline translation. It was simply that closing those files took far longer than it should have. I decided to try a different profiler, hoping to learn more. I downloaded the Windows Performance Toolkit. I recorded a couple of traces of my application running, then I looked at them in the Windows Performance Analyzer, whereupon I saw that in each case, the CPU spike of my app was followed by a CPU spike in MsMpEng.exe. What's MsMpEng.exe? It's Microsoft's antimalware engine, at the heart of Windows Defender. I added my build tree to the list of excluded locations, and my runtime halved. The 3.5 seconds of file closing dropped to 60 milliseconds, a 98% reduction. The moral of this story is: don't let your virus checker run on your builds.

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  • Routing public IPs (each a /32) through a VPN to another server

    - by Lee S
    Hopefully the title makes sense; I have a server currently in a colo facility, with many IP addresses routed to it. They are individual IPs and not in a contiguous block. Due to vastly improved connectivity (fibre) at home I am slowly bringing my infrastructure in-house for managability and eventually, cost savings. What I would like to do though is use the IP addresses allocated to my existing server, at home. I have an IP block allocated to me on my new ISP connection, but for a couple of reasons I'd like to make use of the colo ones for now: Ease of transition - lots of domains, dns, hard-coded IPs in programs, etc. Connectivity fallback. If my primary line goes down and switches to fallback 1 (dsl) or fallback 2 (4G), I lose access to the ISP-allocated IP block of IPs that are only presented on the primary WAN interface. What I'd like to achieve is my home virtualisation server (Proxmox/Debian-based) "dials in" to the colo server in the colo facility (also Proxmox/Debian) via VPN or similar, and gets to make use of the IP addresses that currently terminate on the colo box. If the primary connection to my ISP goes down and one of the fallback routes kicks in, the VPN tunnel will just time out and then be re-established on the backup connection instead. I'm sure this is doable, but I have no idea how. I'm not afraid to get my hands dirty, I just don't really know where to start?

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  • Collectd on ubuntu with perl plugin support

    - by Roman
    For days I am struggling with enabling perl plugin support for collectd. I have installed colllectd 5.4.0 on a Aws ubuntu 13.04. Configured compiled. I have even installed libperl-dev. But when i run ./configure from collectd installation , it still says that "perl ....(needs libperl)" Now enabling the perl plugins from collectd.conf didnt help much. In logs i see that : plugin_load: Could not find plugin "perl" in /opt/collectd/lib/collectd and indeed there is not perl.so or whatever in that folder. Can someone help me out with that ?

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  • How to update grub with puppet?

    - by Tombart
    I would like to change a line in /etc/default/grub with puppet to this: GRUB_CMDLINE_LINUX="cgroup_enable=memory" I've tried to used augeas which seems to do this magic: exec { "update_grub": command => "update-grub", refreshonly => true, } augeas { "grub-serial": context => "/files/etc/default/grub", changes => [ "set /files/etc/default/grub/GRUB_CMDLINE_LINUX[last()] cgroup_enable=memory", ], notify => Exec['update_grub'], } It seems to work, but the result string is not in quotes and also I want to make sure that any other values will be separated by space. GRUB_CMDLINE_LINUX=cgroup_enable=memory Is there some mechanism how to append values and escape the whole thing? GRUB_CMDLINE_LINUX="quiet splash cgroup_enable=memory"

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  • How to solve "Warning: mail() [function.mail]: SMTP server response: 530 Relaying not allowed - sender domain not local in D:\\... " Error?

    - by Kiran Rs
    I have a contact page where users can contact me via that form. But I'm getting this error, Warning: mail() [function.mail]: SMTP server response: 530 Relaying not allowed - sender domain not local in D:\INETPUB\VHOSTS\nextoption.in\httpdocs\auto-replay\contact.php on line 33 My Php code is, if(isset($_POST['send'])) //if "email" is filled out, send email { //send email $email1=$_POST['email']; $headers = "From: My site\r\n"; $headers .= "Reply-To: [email protected]\r\n"; $headers .= "Return-Path: [email protected]\r\n"; $headers .= "X-Mailer: Drupal\n"; $headers .= 'MIME-Version: 1.0' . "\n"; $headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n"; $to = "[email protected]"; $subject = "Test mail"; $message = "Hello!This is a simple email message $from = $email1; mail($to,$subject,$message,$headers); ? alert ("Enquiry form submited successfully ! We'll get back you soon "); What will be my fault..... What is the Fault in SMTP Server?

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  • 4 Magento Requests per second = 210 mbit memcache bandwith?

    - by Karsten
    After searching serverfault for similar questions without success, these are my numbers for one magento instance, running on multiple servers: After varnish about 4 requests per second hit the webservers The magento cache is configured to use one separate memcache server where I'm measuring about 210 Mbit/s bandwith usage. Compared to other projects, magento and non-magento, this number seems way off (as in extremely high). I'd like to get some data to compare to, or even better, if you have any idea what exactly causes this/how to find it and how to improve the situation.

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  • Q: MySQL Cluster - Data insertion in NDBCLUSTER table - error out after 5 million rows

    - by Mata
    MysqlCluster version: mysql-5.6.11 ndb-7.3.2 Insertload = 50 M dataset Datanodes = 3 LOAD DATA INFILE '/input_50m/Table_1_sorted.csv' IGNORE INTO TABLE nw_ndb FIELDS TERMINATED BY ',' LINES TERMINATED BY '\n' We recently setup a new mySQL cluster and trying to load data from a flat file. But getting error “Got temporary error 4010 'Node failure caused abort of transaction' from NDBCLUSTER" when inserting 5 million rows in a single table in MySQL Cluster. We are using "LOAD DATA INFILE" command to load the data in the table from csv file. Server (musqld, ndb nodes) has good hardware: 126 GB RAM, 32 Gb allocated to mysqld tried below settings with no effect: SET autocommit=0; SET FOREIGN_KEY_CHECKS=0; SET unique_checks=0; SET GLOBAL ndb_batch_size=8*1024*1024; SET GLOBAL ndb_cache_check_time = 1000; SET GLOBAL ndb_index_stat_cache_entries = 10000000; SET SESSION BULK_INSERT_BUFFER_SIZE=256217728; SET GLOBAL KEY_BUFFER_SIZE=256217728; Any clues?

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  • Move files from ftp server to s3

    - by lev
    I would like to set up an ftp server, where users will upload files, and for each file, put it on s3 storage, and delete it from the ftp server. (the server runs on ec2 ubuntu) Here are the stuff I already tried, with no success.. Mount s3 bucket using s3fs. I followed those instructions, but there is a bug in the latest version of s3fs, that prevents it from working. The bug was fixed on the develop branch, but I don't want to use unstable version on my production. Use vsftpd and using s3cmd sync via cron to sync the files periodically. The problem with that approach, is that s3cmd can start running in the middle of a file upload, and start synching the incomplete file. Also s3cmd doesn't give any feedback it the sync fails, so I have no way of knowing if I can delete the files after the sync command finished running. Use pure-ftpd's upload script feature (which allows to run a script after a file is finished uploading), but I noticed that if the file upload was failed in the middle, the script will run anyway, and I have no way of knowing if the upload was successful or not. I've been at it for a few days now, and I'm at a loss here. Any suggestions will be welcomed.

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  • Can I configure a DNS cache not to forward AAAA queries?

    - by itsadok
    I'm setting up an internal DNS cache because my firewall is having trouble handling all the sessions created by DNS requests. I tried using bind9, dnsmasq and DJB dnscache, they all help reduce the number of requests leaving my network, but there are still a lot of request being made. Looking at the log files, and tcpdump and dnstop outputs, it seems that requests that return SERVFAIL do not get cached at all. And a lot of those failed requests are AAAA requests, which is a shame, because I do not have ipv6 enabled on any server. I've looked at several ways to help the situation, and I think if I could somehow prevent AAAA record requests from being forwarded by the DNS cache, it would reduce the number of requests significantly. The closest thing I found was the filter-aaaa-on-v4 option in BIND9. However, this only removes the record from the server response, and does not prevent it from forwarding it. Any help would be appreciated.

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  • Configuring nginx to check for hard files in only a few directories,

    - by Evan Carroll
    For a node.js project I'm doing, I have a tree like this. +-- public ¦   +-- components ¦   +-- css ¦   +-- img +-- routes +-- views Essentially, I have the root to be set to public. I want all requests destined to /components/ /css/ /img/ To check to see if their appropriate destinations exist on disk. However, I don't want requests to other directories to even run an IO operation, /foo/asdf /bar /baz/index.html None of those should result in the disk being touched. I have a stansa that does the proxy to node.js, location @proxy { internal; proxy_set_header Host $http_host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-NginX-Proxy true; proxy_pass http://localhost:3030; proxy_redirect off; } I just would like to know how to arrange this. My problem would be easily solved if try_files took a single argument, but it always wants a file first. location /components/ { try_files $uri, @proxy } location /css/ { try_files $uri, @proxy } location /img/ { try_files $uri, @proxy } However, there is nothing that I can find that will give me, location / { try_files @proxy } How do I get the effect I want?

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