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• Guidelines for creating a programming-language enjoyable to write programs in?

  - by sub

  I'm currently working on the topic of programming-languages and interpreter-design. I have already created several programming languages but couldn't reach my goal so far: Create a programming-language which focuses on giving the programmer a good feeling when writing code in it. It should just be fun and/or interesting and in no case annoying to write something in it. I get this feeling when writing code in Python. I sometimes get the opposite with PHP and in rare cases when having to reinvent some wheel in C++. So I've tried to figure out some syntactical features to make programming in my new language fun, but I just can't find any. Which concrete features, maybe mainly in terms of syntax, do/could make programming in a language fun? Examples: I find it enjoyable to program in Ruby because of it's use of code blocks. It would be nice if you could include exactly one example in your answer Those features do not have to already exist in any language! I'm doing this because I have experienced extreme rises in (my own) productivity when programming in languages I love (because of particular features).

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• Why I cannot get the output of ftp.exe ?

  - by smwikipedia

  I execute the ftp.exe cmd through a C# System.Diagnostics.Process type. And I use the following code to get the "ftp.exe" output after I programmatically enter a "help" command. But I can only get the first line of the result. And I never get to the "end" output part. The whole program seems blocked. Process p = new Process(); p.StartInfo.FileName = @"C:\Windows\System32\ftp.exe"; p.StartInfo.CreateNoWindow = true; p.StartInfo.RedirectStandardInput = true; p.StartInfo.RedirectStandardOutput = true; p.StartInfo.RedirectStandardError = true; p.StartInfo.UseShellExecute = false; p.Start(); p.StandardInput.WriteLine("help"); Int32 c_int = p.StandardOutput.Read(); while (c_int != -1) { Char c = (Char)c_int; Console.Write(c); c_int = p.StandardOutput.Read(); } Console.WriteLine("end"); However, I write a simple program which only use Console.Writeline() to write some output to its StdOut stream. And I test it with the above code. It works fine. I just cannot figure out why the above code cannot work with ftp.exe? The only difference between my SimpleConsoleOutput program and the "ftp.exe" is that the ftp.exe has its own interactive command prompt.

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• Convert binary unsigned vector to dec list

  - by Juan

  This code convert a unsigned long vector variable cR1 to NB_ERRORS numbers (in 'a' variable I print these numbers). for (l = 0; l < NB_ERRORS; ++l) { k = (l * EXT_DEGREE) / BIT_SIZE_OF_LONG; j = (l * EXT_DEGREE) % BIT_SIZE_OF_LONG; a = cR1[k] >> j; if(j + EXT_DEGREE > BIT_SIZE_OF_LONG) a ^= cR1[k + 1] << (BIT_SIZE_OF_LONG - j); a &= ((1 << EXT_DEGREE) - 1); printf("\na=%d\n",a); } For example I am have a cR1 with two elements that follow: 0,0,1,1,0,1,0,0,0,0,1,0,0,1,1,1,1,1,0,0,1,1,1,1,0,0,0,1,1,0,0,0,1,0,1,1,0,0,1,0,1,1,1,0,0,1,0,0,1,0,1,0,1,1,1,0,1,0,0,1,1,1,1,0, executing that code I get (44), (228, (243), (24), (77), (39), (117), (121). This code convert from right to left, I want modify to convert from right to left, Where I will be able to modify this? pdta: In the example case EXT_DEGREE = 8, BIT_SIZE_OF_LONG = 32

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• C++ bit shifting

  - by JB_SO

  Hi, I am new to working with bits & bytes in C++ and I'm looking at some previously developed code and I need some help in understanding what is going on with the code. There is a byte array and populating it with some data and I noticed that the data was being '&' with a 0x0F (Please see code snipped below). I don't really understand what is going on there....if somebody could please explain that, it would be greatly apperciated. Thanks! //Message Definition /* Byte 1: Bit(s) 3:0 = Unused; set to zero Bit(s) 7:4 = Message ID; set to 10 */ /* Byte 2: Bit(s) 3:0 = Unused; set to zero Bit(s) 7:4 = Acknowledge Message ID; set to 11 */ //Implementation BYTE Msg_Arry[2]; int Msg_Id = 10; int AckMsg_Id = 11; Msg_Arry[0] = Msg_Id & 0x0F; //MsgID & Unused Msg_Arry[1] = AckMsg_Id & 0x0F; //AckMsgID & Unused

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• public String shorthand(String in)

  - by luvthug

  Hi All, I am stuck on this code. The code should use the class StringBuilder to build an output string by appending non-vowel characters from its argument in to the result it returns. It needs to identify vowels to be removed using the helper metod i created which is public boolean isVowel(char c). public String shorthand(String in) this is the method I need help with. I have created the stringbuilder but the if condition does not accept isVowel method. import java.io.*; import java.util.*; public class Shorthand { public boolean isVowel(char c) { if (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u' || c == 'A'|| c == 'E'||c == 'I'|| c == 'O'|| c == 'U') { return true; } else { return false; } } //TODO Complete the shorthand method public String shorthand(String in) //this is the code I need help with { StringBuilder vowel = new StringBuilder(); if (isVowel() == false)strong text { vowel.append(in); } return vowel.toString(); } //TODO Complete the run method public void run() throws IOException { String yourLine; Scanner sc = new Scanner(System.in); yourLine = sc.nextLine(); while(!yourLine.equals("*")); { System.out.println("Enter your line of text"); } yourLine = sc.nextLine(); } }

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• Avoiding instanceof in Java

  - by Mark Lutton

  Having a chain of "instanceof" operations is considered a "code smell". The standard answer is "use polymorphism". How would I do it in this case? There are a number of subclasses of a base class; none of them are under my control. An analogous situation would be with the Java classes Integer, Double, BigDecimal etc. if (obj instanceof Integer) {NumberStuff.handle((Integer)obj);} else if (obj instanceof BigDecimal) {BigDecimalStuff.handle((BigDecimal)obj);} else if (obj instanceof Double) {DoubleStuff.handle((Double)obj);} I do have control over NumberStuff and so on. I don't want to use many lines of code where a few lines would do. (Sometimes I make a HashMap mapping Integer.class to an instance of IntegerStuff, BigDecimal.class to an instance of BigDecimalStuff etc. But today I want something simpler.) I'd like something as simple as this: public static handle(Integer num) { ... } public static handle(BigDecimal num) { ... } But Java just doesn't work that way. I'd like to use static methods when formatting. The things I'm formatting are composite, where a Thing1 can contain an array Thing2s and a Thing2 can contain an array of Thing1s. I had a problem when I implemented my formatters like this: class Thing1Formatter { private static Thing2Formatter thing2Formatter = new Thing2Formatter(); public format(Thing thing) { thing2Formatter.format(thing.innerThing2); } } class Thing2Formatter { private static Thing1Formatter thing1Formatter = new Thing1Formatter(); public format(Thing2 thing) { thing1Formatter.format(thing.innerThing1); } } Yes, I know the HashMap and a bit more code can fix that too. But the "instanceof" seems so readable and maintainable by comparison. Is there anything simple but not smelly?

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• Is this the best way to grab common elements from a Hash of arrays?

  - by Hulihan Applications

  I'm trying to get a common element from a group of arrays in Ruby. Normally, you can use the & operator to compare two arrays, which returns elements that are present or common in both arrays. This is all good, except when you're trying to get common elements from more than two arrays. However, I want to get common elements from an unknown, dynamic number of arrays, which are stored in a hash. I had to resort to using the eval() method in ruby, which executes a string as actual code. Here's the function I wrote: def get_common_elements_for_hash_of_arrays(hash) # get an array of common elements contained in a hash of arrays, for every array in the hash. # ["1","2","3"] & ["2","4","5"] & ["2","5","6"] # => ["2"] # eval("[\"1\",\"2\",\"3\"] & [\"2\",\"4\",\"5\"] & [\"2\",\"5\",\"6\"]") # => ["2"] eval_string_array = Array.new # an array to store strings of Arrays, ie: "[\"2\",\"5\",\"6\"]", which we will join with & to get all common elements hash.each do |key, array| eval_string_array << array.inspect end eval_string = eval_string_array.join(" & ") # create eval string delimited with a & so we can get common values return eval(eval_string) end example_hash = {:item_0 => ["1","2","3"], :item_1 => ["2","4","5"], :item_2 => ["2","5","6"] } puts get_common_elements_for_hash_of_arrays(example_hash) # => 2 This works and is great, but I'm wondering...eval, really? Is this the best way to do it? Are there even any other ways to accomplish this(besides a recursive function, of course). If anyone has any suggestions, I'm all ears. Otherwise, Feel free to use this code if you need to grab a common item or element from a group or hash of arrays, this code can also easily be adapted to search an array of arrays.

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• PHP looping problem?

  - by NeVeR

  I'm trying to display the first row in one color and the second row in another color but my code displays the result twice in both colors for example lets say I have 5 results my code will double the results by displaying 10 results. How can I fix this problem? Here is the php code. while ($row = mysqli_fetch_assoc($dbc)) { //first row echo '<h3 class="title"><a href="#" title="">' . $row['title'] .'</a></h3>'; echo '<div class="summary"><a href="#" title="">' . substr($row['content'],0,255) . '</a></div>'; //second row echo '<h3 class="title-2"><a href="#" title="">' . $row['title'] .'</a></h3>'; echo '<div class="summary-2"><a href="#" title="">' . substr($row['content'],0,255) . '</a></div>'; }

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• Is this the best way to grab Common element from a Hash of arrays?

  - by Hulihan Applications

  I'm trying to get a common element from a group of arrays in Ruby. Normally, you can use the & operator to compare two arrays, which returns elements that are present or common in both arrays. This is all good, except when you're trying to get common elements from more than two arrays. However, I want to get common elements from an unknown, dynamic number of arrays, which are stored in a hash. I had to resort to using the eval() method in ruby, which executes a string as actual code. Here's the function I wrote: def get_common_elements_for_hash_of_arrays(hash) # get an array of common elements contained in a hash of arrays, for every array in the hash. # ["1","2","3"] & ["2","4","5"] & ["2","5","6"] # => ["2"] # eval("[\"1\",\"2\",\"3\"] & [\"2\",\"4\",\"5\"] & [\"2\",\"5\",\"6\"]") # => ["2"] eval_string_array = Array.new # an array to store strings of Arrays, ie: "[\"2\",\"5\",\"6\"]", which we will join with & to get all common elements hash.each do |key, array| eval_string_array << array.inspect end eval_string = eval_string_array.join(" & ") # create eval string delimited with a & so we can get common values return eval(eval_string) end example_hash = {:item_0 => ["1","2","3"], :item_1 => ["2","4","5"], :item_2 => ["2","5","6"] } puts get_common_elements_for_hash_of_arrays(example_hash) # => 2 This works and is great, but I'm wondering...eval, really? Is this the best way to do it? Are there even any other ways to accomplish this(besides a recursive function, of course). If anyone has any suggestions, I'm all ears. Otherwise, Feel free to use this code if you need to grab a common item or element from a group or hash of arrays, this code can also easily be adapted to search an array of arrays.

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• How do I access static variables in an enum class without a class instance?

  - by krick

  I have some code that processes fixed length data records. I've defined the record structures using java enums. I've boiled it down the the simplest example possible to illustrate the hoops that I currently have to jump through to get access to a static variable inside the enum. Is there a better way to get at this variable that I'm overlooking? If you compile and run the code, it just prints out "3". Note: the "code" tag doesn't seem to want to format this properly, but it should compile. class EnumTest { private interface RecordLayout { public int length(); } private enum RecordType1 implements RecordLayout { FIELD1 (2), FIELD2 (1), ; private int length; private RecordType1(int length) { this.length = length; } public int length() { return length; } public static int LEN = 3; } private static <E extends Enum<E> & RecordLayout> String parse(String data, Class<E> record) { // ugly hack to get at LEN... try { int len = record.getField("LEN").getInt(record); System.out.println(len); } catch (Exception e) { System.out.println(e); } String results = ""; for (E field: record.getEnumConstants()) { // do some stuff with the fields } return results; } public static void main(String args[]) { parse("ABC", RecordType1.class); } }

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• Pagination in Java

  - by user569125

  I wrote paging logic: My requirement: total elements to display:100 per page,if i click next it should display next 100 records,if i click previous 100 records. Initial varaible values: showFrom:1, showTo:100 max elements:depends on size of data. pageSize:100. Code: if(p*emphasized text*aging.getAction().equalsIgnoreCase("Next")){ paging.setTotalRec(availableList.size()); showFrom = (showTo + 1); showTo = showFrom + 100- 1; if(showTo >= paging.getTotalRec()) showTo = paging.getTotalRec(); paging.setShowFrom(showFrom); paging.setShowTo(showTo); } else if(paging.getAction().equalsIgnoreCase("Previous")){ showTo = showFrom - 1; showFrom = (showFrom - 100); paging.setShowTo(showTo); paging.setShowFrom(showFrom); paging.setTotalRec(availableList.size()); } Here i can remove and add the elements to the existing data.above code works fine if i add and remove few elements.but if i remove or add 100 elements at a time counts are not displaying properly above code works fine if i add and remove few elements.

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• [PHP] Does unsetting array values during iterating save on memory?

  - by saturn_rising

  Hello fellow code warriors, This is a simple programming question, coming from my lack of knowledge of how PHP handles array copying and unsetting during a foreach loop. It's like this, I have an array that comes to me from an outside source formatted in a way I want to change. A simple example would be: $myData = array('Key1' => array('value1', 'value2')); But what I want would be something like: $myData = array([0] => array('MyKey' => array('Key1' => array('value1', 'value2')))); So I take the first $myData and format it like the second $myData. I'm totally fine with my formatting algorithm. My question lies in finding a way to conserve memory since these arrays might get a little unwieldy. So, during my foreach loop I copy the current array value(s) into the new format, then I unset the value I'm working with from the original array. E.g.: $formattedData = array(); foreach ($myData as $key => $val) { // do some formatting here, copy to $reformattedVal $formattedData[] = $reformattedVal; unset($myData[$key]); } Is the call to unset() a good idea here? I.e., does it conserve memory since I have copied the data and no longer need the original value? Or, does PHP automatically garbage collect the data since I don't reference it in any subsequent code? The code runs fine, and so far my datasets have been too negligible in size to test for performance differences. I just don't know if I'm setting myself up for some weird bugs or CPU hits later on. Thanks for any insights. -sR

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• SAS V9.1.3 - Error when combining %INC and CALL EXECUTE

  - by Mark

  Hi, I am getting a resolution error with some SAS v9.1.3 code. Here is some code I want to store in a .txt file (called problem2.txt) and bring into SAS with a %INC %macro email020; %if &email = 1 %then %do; %put THIS RESOLVED AT 1; %end; %else %if &email = 2 %then %do; %put THIS RESOVLED AT 2; %end; %put _user_; %mend email020; %email020; Then this is the main code: filename problem2 'C:\Documents and Settings\Mark\My Documents\problem2.txt'; %macro report1; %let email = 1; %inc problem2; %mend report1; %macro report2 (inc); %let email = 2; %inc problem2; %mend report2; data test; run = 'YES'; run; data _null_; set test; call execute("%report1"); call execute("%report2"); run; The log shows: NOTE: CALL EXECUTE generated line. 1 + %inc problem2; MLOGIC(EMAIL020): Beginning execution. WARNING: Apparent symbolic reference EMAIL not resolved. ERROR: A character operand was found in the %EVAL function or %IF condition where a numeric operand is required. The condition was: &email = 1 ERROR: The macro EMAIL020 will stop executing. MLOGIC(EMAIL020): Ending execution. So the question is why does CALL EXECUTE generate %inc problem2 rather than %report1, causing SAS to miss the assignment and what can I do about it?

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• Generic list/sublist handling

  - by user628661

  Let's say we have a class class ComplexCls { public int Fld1; public string Fld2; //could be more fields } class Cls { public int SomeField; } and then some code class ComplexClsList: List<ComplexCls>; ComplexClsList myComplexList; // fill myComplexList // same for Cls class ClsList : List<Cls>; ClsList myClsList; We want to populate myClsList from myComplexList, something like (pseudocode): foreach Complexitem in myComplexList { Cls ClsItem = new Cls(); ClsItem.SomeField = ComplexItem.Fld1; } The code to do this is easy and will be put in some method in myClsList. However I'd like to design this as generic as possible, for generic ComplexCls. Note that the exact ComplexCls is known at the moment of using this code, only the algorithm shd be generic. I know it can be done using (direct) reflection but is there other solution? Let me know if the question is not clear enough. (probably isn't). [EDIT] Basically, what I need is this: having myClsList, I need to specify a DataSource (ComplexClsList) and a field from that DataSource (Fld1) that will be used to populate my SomeField

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• Move links div aside h1, above tagline p

  - by noquierouser

  I have a page that has CSS media queries in it, and I was requested to do this: Mobile layout: Desktop layout: Now, the HTML code is placed like this: <div id="content"> <h1>the title</h1> <p>this is the tagline of the site</p> <ul> <li>link 1</li> <li>link 2</li> <li>link 3</li> </ul> </div> I'm having quite a problem trying to achieve the desktop layout. I tried wrapping <h1> and <p> in a <div> and style it with float: left, but it didn't look as requested (the tagline is wider). I also tried with position: absolute for the <ul>, but also didn't look as requested (make the #content wider is not an option). Do you have any suggestions to achieve this without using javascript? Update: I've uploaded the code to my Koding so you can see what I'm actually doing. This is the CSS. I'm also using normalize.css. The problem I'm having now is what do the different browsers show: I think the problem might be in how do the browsers calculate the tagline's width, but as you can try with the code, if you make the tagline's text shorter, it looks more like Opera's rendering. Have I stumbled with a bug or am I making some mistake in my CSS?

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• TypeError: Error #1009: Cannot access a property or method of a null object reference. at RECOVER_fyp1_fla::MainTimeline/abc1()

  - by user2643323

  TypeError: Error #1009: Cannot access a property or method of a null object reference. at RECOVER_fyp1_fla::MainTimeline/abc1() Hi, what does this mean? Can anybody figure it out? Thanks. Code: swatter.addEventListener(Event.ENTER_FRAME,abc1); Mouse.hide(); function abc1(e:Event) { swatter.x = mouseX; swatter.y = mouseY; enter code here mosq1.y = mosq1.y + 2; mosq2.y = mosq2.y + 3; mosq3.y = mosq3.y + 4; mosq4.y = mosq4.y + 5; mosq5.y = mosq5.y + 6; if (mosq1.y > 640) { mosq1.y = -50; } if (mosq2.y > 640) { mosq2.y = -50; } if (mosq3.y > 640) { mosq3.y = -50; } if (mosq4.y > 640) { mosq4.y = -50; } if (mosq5.y > 640) { mosq5.y = -50; } if(swatter.hitTestObject(mosq1)) { //SoundMixer.stopAll(); //three_start_sound1.play(); mosq1.parent.removeChild(mosq1); } if(swatter.hitTestObject(mosq2)) { //SoundMixer.stopAll(); //three_start_sound1.play(); mosq2.parent.removeChild(mosq2); } if(swatter.hitTestObject(mosq3)) { //SoundMixer.stopAll(); //three_start_sound1.play(); mosq3.parent.removeChild(mosq3); } if(swatter.hitTestObject(mosq4)) { //SoundMixer.stopAll(); //three_start_sound1.play(); mosq4.parent.removeChild(mosq4); } if(swatter.hitTestObject(mosq5)) { //SoundMixer.stopAll(); //three_start_sound1.play(); mosq5.parent.removeChild(mosq5); } } enter code here

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• Receive Ajax and display output in a Photo?

  - by user1709469

  how to Receive Ajax and display output in a Photo? Images should be displayed inside the div tag After each of Bayer text, change the text to change the photo content The photos displayed are written in the form Thanks this code <script> function AjaxRequest() { var xmlhttp = null; if (window.XMLHttpRequest) { // code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp = new XMLHttpRequest(); } // else // code for IE6, IE5 return xmlhttp; } function ajaxAction() { var font_category = document.getElementById("ajaxField").value; var xmlHttp = AjaxRequest(); xmlHttp.open("POST" , "ajax.php?message=" + message , true); xmlHttp.onreadystatechange = function() { if(xmlHttp.readyState == 1) response.innerHTML = "Loading..."; if (xmlHttp.readyState == 4 && xmlHttp.status == 200) response.innerHTML = xmlHttp.responseText; } xmlHttp.send(null); } </script> <textarea id="ajaxField12" name="message" rows="2" cols="20" value="Send" onchange="javascript:ajaxAction();"> </textarea> <div id="ajaxResponse" height="42" width="42"> </div>

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• 'rsync' is not recognized as an internal or external command, operable program or batch file

  - by user1688269

  I am VERY new to rsync and cygwin and I'm pretty sure I've installed everything correctly. I am trying to (for now) just rsync two Windows XP Laptops to tranfer files across from the one to the other to get a feel of it before I tackle bigger projects. This is the code I try use to transfer the files but I always get the same error. $ rsync -zrptL -v -e 'ssh -p 222' /tmp/rawr/ [email protected]:/tmp/play [email protected]'s password: 'rsync' is not recognized as an internal or external command, operable program or batch file. rsync: connection unexpectedly closed (0 bytes received so far) [sender] rsync error: error in rsync protocol data stream (code 12) at /home/lapo/package/rsync-3.0.9-1/src/rsync-3.0.9/io.c(605) [sender=3.0.9] What could be the problem? I am really stuck at the moment.

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• powershell: use variable with wildcard with get-aduser

  - by user179037

  powershell newbie here. I am building a simple bit of code to help me find user's by entering letters of user names. How do I get a wildcard to work w/ a variable? this works: $name=read-host -prompt "enter user's first or last initial" $userInput=get-aduser -f {givenname -like 'A*' } cmd /c echo "output: $userInput" this does not: $name=read-host -prompt "enter user's first or last initial" $userInput=get-aduser -f {givenname -like '$name*' } cmd /c echo "output: $userInput" The first bit of code delivers a list of users with "A" in their name. Any suggestions woudl be appreciated. thanks

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• rsync on QNAP NAS fails recently

  - by user192702

  I have been using rsync to copy a large backup file from a remote host to my QNAP NAS. It's been working fine until recently. It seems like almost every time when it executes it's giving a time out after 15s. Following is what I have captured in the log. Any ideas? 2013-11-10 23:10:01 HKT - Executing: rsync -t -v -e ssh [email protected]:/home/backup/backup/backup_file-11102013* /share/homes/backup/backup/web/database [receiver] io timeout after 10 seconds -- exiting rsync error: timeout in data send/receive (code 30) at io.c(140) [receiver=3.0.7] rsync: connection unexpectedly closed (73 bytes received so far) [generator] rsync error: error in rsync protocol data stream (code 12) at io.c(601) [generator=3.0.7] 2013-11-10 23:10:15 HKT - Done rsync

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• .NET Framework 4 updates breaking MMC.exe and other CLR.dll Exceptions

  - by Fox

  I've seen this issue floating around the net the last few weeks and I'm facing exactly the same issue. My servers are set to auto install updates using Windows update (not clever, I know), and since about 2 months ago, I've been getting strange Exceptions. The first thing that happens is that MMC.exe just crashes randomly and sometimes on startup of the console. The exception in the Windows Application log is as follow: Faulting application name: mmc.exe, version: 6.1.7600.16385, time stamp: 0x4a5bc808 Faulting module name: mscorwks.dll, version: 2.0.50727.5448, time stamp: 0x4e153960 Secondly, on the same server, I have some custom Windows services which constantly crash with exceptions : Faulting application name: Myservice.exe, version: 1.0.0.0, time stamp: 0x4f44cb11 Faulting module name: clr.dll, version: 4.0.30319.239, time stamp: 0x4e181a6d Exception code: 0xc0000005 Fault offset: 0x000378aa The exception is not in my code. I've tested and retested it. My server has the following .NET Framework updates installed: Does anyone have any idea?

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• "No video with supported format and mime type found" - Firefox - HTML5

  - by mangobug

  I am working with django 1.6, python 2.7, firefox 30 and Mac OS 10.10 Beta. When I render the following code <video width="570" height="340" controls="controls"> <source src="/some/path/" type="video/mp4" /> </video> I get an error stating "No video with supported format and mime type found". The same code runs perfectly on Safari and Chrome (yes I still haven't checked IE). I have tried different formats for the uploaded files and looked into ad-ons which might prevent this or different coding mechanisms, though nothing has been helpful. Please help!!!!

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• PhotoShop CC install: error: could not update photoshop

  - by John Sonderson

  I have renamed the folder to which my previous version of PhotoShop CC was installed and then installed the latest version of PhotoShop CC using the Creative Cloud application. However once Creative Cloud finished downloading and installing PhotoShop CC I got the following error (sorry about having a localized version of windows, so I cannot properly translate the error text, but the error code I get is error code U46M1P6): Anyone got this error and is this OK, or is something wrong and do I need to fix it? I am curious about exactly which features I will be missing due to this error message. I tried restarting the download and install process, but I get error message U44M1P7. Can someone please explain to me why it is not working? Thanks.

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• Programmatically add an ISAPI extension dll in IIS 7 using ADSI?

  - by fretje

  I apologize beforehand, this is a cross post of this SO question. I thought I'd ask it there first, but apparently it doesn't harvest any answers there. I hope it will get more attention here. When I have an answer somewhere, I'll delete the other one. I'm trying to programmatically add an ISAPI extension dll in IIS using ADSI. This has been working for ages on previous versions of IIS, but it seems to fail on IIS 7. I am using similar code like shown in this question: var web = GetObject("IIS://localhost/W3SVC/1/ROOT/specificVirtualDirectory"); var maps = web.ScriptMaps.toArray(); map[maps.length] = ".aaa,c:\\path\\to\\isapi\\extension.dll,1,GET,POST"; web.ScriptMaps = maps.asDictionary(); web.SetInfo(); After executing that code, I do see an "AboMapperCustom-12345678" entry for that specific dll in the "Handler mappings" of the specific virtual directory in which I added the script map. But when I try to use that extension in a browser, I always get HTTP Error 404.2 Not Found The page you are requesting cannot be served because of the ISAPI and CGI Restriction list settings on the Web server. Even after adding an entry to allow that specific dll in the "ISAPI and CGI restrictions", I keep getting that error. To make it actually work, I first have to undo these steps (encountering the same issue like the OP of the question mentioned above: after deleting the script map entry from the IIS manager GUI, I also have to programmatically delete it using ADSI before it's actually gone from the metabase). And then manually add an entry like this: inetmgr - webserver - website - virtual directory - handler mappings - add script map... path = *.dll, executable = <path to dll>, name = <doesn't matter, but it's mandatory> click "yes" on the question "do you want to allow this ISAPI extension?" When I compare the 2 entries, they are exactly the same, except for the "Entry Type" which seems to be "Inherited" for the programmatically added one and "Local" for the one added manually. The strange thing is, even though it says "Inherited", I don't see it anywhere in IIS on a higher level. Where is it inheriting from? In my code, I do add the script map to the specific virtual directory so it should be "Local" as well. Maybe there is the problem, but I don't know how to add a "Local" Script Map using ADSI. I really would like to keep using the ADSI method, as otherwise I will have to use different methods in our setup when working with IIS 7 or previous versions, and I would like to avoid that. To recap: How can I programmatically add a script map entry and its companion CGI and ISAPI restrictions entry to IIS 7 using ADSI? Anybody who can shed some light on this? Any help appreciated.

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• NSClient++: external script with optional arguments

  - by syneticon-dj

  I am trying to define an external script which would take optional arguments in NSClient++ 0.4.1 on Windows. Following the nsclient-full.ini example code I have defined mycheck=cmd /C echo C:\mydir\myscript.ps1 %ARGS% | powershell.exe -command - which simply yields the string %ARGS% passed as the only argument to myscript.ps1, no matter what I specify in my call through NRPE (using Nagios' check_nrpe if that matters). I then tried to rewrite the definition to mycheck=cmd /C echo C:\mydir\myscript.ps1 $ARG1$ $ARG2$ | powershell.exe -command - (myscript.ps1 would take up to two arguments), which does help a bit. At least, if two arguments are provided, I can fetch them via the args[] array. The trouble starts when the call has less than two arguments - in this case the literal strings $ARG2 and $ARG1$ are passed through as arguments. Handling this case in the code of myscript.ps1 makes the whole argument processing routine ugly at best. Is there a sane way of defining optional parameters to an external script which would not pass NSClient's variable names if no parameter has been specified?

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