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  • How would I write this shell script as a Windows batch script?

    - by Jeremy Banks
    I haven't had a chance to test this script, I'm just using it as a suitable pseudocode. It's just supposed to copy all files in the current directory into a timestamped subdirectory. ID="$(date +%Y%b%d%H%M%S)" COMMITABLE="$(ls | egrep --invert-match ^(STATES|PARENT)\$)" STATE_PATH="$(pwd)/STATES/$ID" mkdir --parents "$STATE_PATH" cp $COMMITABLE "$STATE_PATH" ln -s "$STATE_PATH" PARENT

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  • I get an "EXC_BAD_ACCESS" when I try to read a NSString...

    - by micropsari
    Hello ! This is a (very) simplified version of my iPhone code : @interface x { NSString * name1; NSString * name2; } -init { name1 = @""; name2 = @""; } -(void) a { name1 = @"uhuh"; name2 = [foo bar]; // return a (NSString *) } -(void) b { NSLog(@"%@", name1); // it works NSLog(@"%@", name2); // there I get an EXC_BAD_ACCESS... } Why I have this problem ? And how can I solve it ? Thanks !

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  • Loading Unmanaged C++ in C#. Error Attempted to read or write protected memory

    - by Thatoneguy
    I have a C++ function that looks like this __declspec(dllexport) int ___stdcall RegisterPerson(char const * const szName) { std::string copyName( szName ); // Assign name to a google protocol buffer object // Psuedo code follows.. Protobuf::Person person; person->set_name(copyName); // Error Occurs here... std::cerr << person->DebugString() << std::endl; } The corresponding C# code looks like this... [DllImport(@"MyLibrary.dll", SetLastError = true)] public static unsafe extern int RegisterPerson([MarshalAs(UnmanagedType.LPTStr)]string szName) Not sure why this is not working. My C++ library is compiled as Multi Threaded DLL with MultiByte encoding. Any help would be appreciated. I saw this is a common problem online but no answers lead me to a solution for my problem.

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  • How to log this exception if log4net appender fails to write in database?

    - by Basmah
    Hello , Please help me in the following case. I am using log4net api in my application to log any important event or information as well as logging my exceptions in database. There might be an exception while using log4net api , if it fails to perform logging into database then HOW THIS EXCEPTION WILL BE STORED? WHERE ALL OTHER LOGGING AND EXCEPTION LOGGING WILL BE STORED IN CASE IF THIS LOG4NET API FAILS TO PERFORM LOGGING ?? Plese help me. I am a final year student of Undergraduate Studies. Thank you!

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  • How to read arbitrary number of values using std::copy?

    - by Miro Kropacek
    Hi, I'm trying to code opposite action to this: std::ostream outs; // properly initialized of course std::set<int> my_set; // ditto outs << my_set.size(); std::copy( my_set.begin(), my_set.end(), std::ostream_iterator<int>( outs ) ); it should be something like this: std::istream ins; std::set<int>::size_type size; ins >> size; std::copy( std::istream_iterator<int>( ins ), std::istream_iterator<int>( ins ) ???, std::inserter( my_set, my_set.end() ) ); But I'm stuck with the 'end' iterator -- input interators can't use std::advance and neither I can use two streams with the same source... Is there any elegant way how to solve this? Of course I can use for loop, but maybe there's something nicer :)

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  • Is Android (read typical devices) fast enough for a game that requires plotting pixel by pixel rather than blitting

    - by mP
    i have an idea for an Android game which is a little different from the typical game that usually moves sprites(bitmaps) around the screen. Id want to plot lots of little pixels to create my visuals. PROS no bitmaps required pixel plotting of stuff like "fire" can react to wind. no need to scale bitmaps, works w/ any screen res (lets pretend device can handle more drawing because its got a bigger screen). CONS slower to plot pixels than blit bitmaps need lot of animation frames. WISHES id like to update my game in real time, more is better 30fps is good but not essential, 15fps is enough. PERFORMANCE Q... Is the typical Android device fast enough to plot say half a screenful of pixels w/ a default background ? if full screen is not practical what window size should be able to handle such refreshes

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  • PHP Session doesn't get read in next page after login validation, Why?

    - by NetStar
    I have a web site and when my users login it takes them to verify.php (where it connects to the DataBase and matches email and password to the user input and if OK puts client data into sessions and take the client to /memberarea/index.php ELSE back to login page with message "Invalid Email or password!") <?php ob_start(); session_start(); $email=$_POST['email']; $pass=md5($_POST['pass']); include("conn.php"); // connects to Database $sql="SELECT * FROM `user` WHERE email='$email' AND pass='$pass'"; $result=mysql_query($sql); $new=mysql_fetch_array($result); $_SESSION['fname']=$new['fname']; $_SESSION['lname']=$new['lname']; $_SESSION['email1']=$new['email1']; $_SESSION['passwrd']=$new['passwrd']; $no=mysql_num_rows($result); if ($no==1){ header('Location:memberarea/index.php'); }else { header("Location:login.php?m=$msg"); //msg="Invalid Login" } ?> then after email id and password is verified it takes them to ` /memberarea/index.php (This is where the problem happens.) where in index.php it checks if a session has been created in-order to block hackers to enter member area and sends them back to the login page. <? session_start(); isset($_SESSION['email'])` && `isset($_SESSION['passwrd'])` The problem is the client gets verified in verify.php (the code is above) In varify.php only after I put ob_start(); ontop of session_start(); It moves on to /memberarea/index.php , If I remove ob_start() It keeps the client on the verify.php page and displays error header is alredy SENT. after I put ob_start() it goes in to /memberarea/index.php but the session is blank, so it goes back to the login page and displays the error ($msg) "Invalid Login" which I programed to display. Can anyone tell me why the session cant pass values from verify.php to /memberarea/index.php

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  • How do I write a regex that ignores strings starting with a particular prefix, and captures everythi

    - by Mark Rogers
    Background: I'm trying to come up with a regex for a rewrite rule that will take anything that does not start with a particular prefix, and add that prefix to it. But urls that already have the prefix should be rejected by the regular expression (because they already have the url). Example: If the prefix is s1 a string like home will capture the home part. But a string like s1/home, will not capture anything. This way I can add the capture group onto the prefix, so that 'home' will become 's1/home'. I've tried (^s1/), but I'm missing something here, because that rejected 'home' for some reason.

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  • XML Serialization : Has property of type Class1 : Class1 has another property : How to write the property of Class1 into XML?

    - by Wonderlander
    I want to serialize a class. In this class there's a property, type of Class1, while there are other properties in Class1. public abstract class ComponentBase { [ToSerialize]//An attribute defined my me, indicating whether or not to serialize this property. public ComponentArgs Parameters { get; set; } } public class ComponentArgs { public string WorkingPath { get; set; } public IList<Language> Languages { get; set; } public string ComponentOutputPath { get; set; } } The information serialized must be put into a Dictionary, such as ComponentSettings[str_Name]=str_Value. The method used in reading this value is Reflection. pinfo: Property Info got via Type.GetProperties(); componentSettings.Add(pinfo.Name, pinfo.GetValue((object)this, null).ToString()); The information after serialization is: <Parameters>MS.STBIntl.Pippin.Framework.ComponentArgs</Parameters> instead of the value of ComponentArgs.WorkingPath. The solution I thought of is to append to the following line an if judgement: componentSettings.Add(pinfo.Name, pinfo.GetValue((object)this, null).ToString()); if(pinfo is ComponentArgs) componentSettings.Add(pinfo.Name, pinfo.GetValue( (ComponentArgs)this, null).WorkingPath+"\n"+ LanguageList+"\n"+ //Language list is a concatinated string of all elements in the list. (ComponentArgs)this, null).ComponentOutputPath+"\n"+ ); When deserializing, add a judgement of whether the value contains more than 2 "\n", if so, extract each value from the string. But this way seems clumsy and much more like an workaround. I wonder if there's any more professional way of doing it? My reviewer is very particular and he won't accept such a solution. If you know a way, could you please share it with me? Thanks a lot.

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  • How to read & write contents of a div from localstorage in chrome extensions?

    - by Minas Abovyan
    I am trying to build an extension that will allow users to put some parameters into a text box in the popup, generate a link using that information and add it to the said popup. I have all that working, but needless to say, it gets flushed every time the user opens the extension anew. I'd like the info that has been put in there to stay, but can't seem to get it to work. Here's what I have thus far: manifest.json { "manifest_version": 2, "name": "Test", "description": "Test Extension", "version": "1.0", "permissions": [ "http://*/*", "https://*/*" ], "browser_action": { "default_title": "This is a test", "default_popup": "popup.html" } } popup.html <!DOCTYPE html> <html> <head> </head> <body> <div id="linkContainer"/> <input type="text" id="catsList"/> <button type="button" id="addToList">Add</button> <script src="popup.js"></script> </body> </html> popup.js function addCats() { var a = document.createElement('a'); a.appendChild(document.createTextNode(document.getElementById('catsList').value)); a.setAttribute('href', 'http://google.com'); var p = document.createElement('p'); p.appendChild(a) document.getElementById('linkContainer').appendChild(p); indexLinks() } function indexLinks() { var links = document.getElementsByTagName("a"); for (var i = 0; i < links.length; i++) { (function () { var ln = links[i]; var location = ln.href; ln.onclick = function () { chrome.tabs.create({active: true, url: location}); }; })(); } }; document.getElementById('addToList').onclick = addCats; My guess is that I need something along the lines of localStorage['cointainer'] = document.getElementById('linkContainer'); at the end of addCats() and a call to something like function loadLocalStorage() { var container = document.getElementById('linkContainer'); container.innerHTML = localStorage['container']; } at the beginning, but doing that didn't work. Not sure what's going wrong. Also,if there is a different way to save users' additions, I'd be open to them.

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  • How can I read and parse chunks of data into a Perl hash of arrays?

    - by neversaint
    I have data that looks like this: #info #info2 1:SRX004541 Submitter: UT-MGS, UT-MGS Study: Glossina morsitans transcript sequencing project(SRP000741) Sample: Glossina morsitans(SRS002835) Instrument: Illumina Genome Analyzer Total: 1 run, 8.3M spots, 299.9M bases Run #1: SRR016086, 8330172 spots, 299886192 bases 2:SRX004540 Submitter: UT-MGS Study: Anopheles stephensi transcript sequencing project(SRP000747) Sample: Anopheles stephensi(SRS002864) Instrument: Solexa 1G Genome Analyzer Total: 1 run, 8.4M spots, 401M bases Run #1: SRR017875, 8354743 spots, 401027664 bases 3:SRX002521 Submitter: UT-MGS Study: Massive transcriptional start site mapping of human cells under hypoxic conditions.(SRP000403) Sample: Human DLD-1 tissue culture cell line(SRS001843) Instrument: Solexa 1G Genome Analyzer Total: 6 runs, 27.1M spots, 977M bases Run #1: SRR013356, 4801519 spots, 172854684 bases Run #2: SRR013357, 3603355 spots, 129720780 bases Run #3: SRR013358, 3459692 spots, 124548912 bases Run #4: SRR013360, 5219342 spots, 187896312 bases Run #5: SRR013361, 5140152 spots, 185045472 bases Run #6: SRR013370, 4916054 spots, 176977944 bases What I want to do is to create a hash of array with first line of each chunk as keys and SR## part of lines with "^Run" as its array member: $VAR = { 'SRX004541' => ['SRR016086'], # etc } But why my construct doesn't work. And it must be a better way to do it. use Data::Dumper; my %bighash; my $head = ""; my @temp = (); while ( <> ) { chomp; next if (/^\#/); if ( /^\d{1,2}:(\w+)/ ) { print "$1\n"; $head = $1; } elsif (/^Run \#\d+: (\w+),.*/){ print "\t$1\n"; push @temp, $1; } elsif (/^$/) { push @{$bighash{$head}}, [@temp]; @temp =(); } } print Dumper \%bighash ;

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  • How can I read out the CSS text via Javascript as defined in the stylesheet?

    - by Monokai
    I was thinking of using Javascript to automatically transform CSS3 attributes like border-radius, transform, box-shadow, etc. to their browser specific counterparts. I did some research and found that you can iterate over the stylesheets defined via document.styleSheets. You can find the CSS rules via document.styleSheets[0].cssRules[0].cssText. I want to modify the CSS rules that contain CSS3 attributes by injecting the browser specific attributes with the appropriate vendor-prefix, like -webkit-border-radius, moz-border-radius, etc. However, it seems that the cssText property is preprocessed in each browser, to filter out CSS attributes that it doesn't understand. That practically breaks this idea. Question: is there any way to retrieve the CSS text exactly as defined in the stylesheet? Or: is there another way to accomplish this via Javascript? I'd like to maintain clean CSS files without the need for defining each attribute multiple times for each specific browser.

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  • What program should I write to use up the 3,472 minutes on my iPhone 3GS?

    - by billmaya
    Something slightly off-topic but bear with me. I've got an iPhone 3GS that I use only for development and over the months I've accumulated 3,472 rollover minutes (my primary phone is an Android G-1). It seems a shame to let these minutes go to "waste." What cool iPhone app would you like to see that uses these minutes up in a productive, interesting, and possibly cool way. I'll code whichever suggestion has the highest vote, providing it's not illegal and doesn't violate Apple's SDK, and release it for free on the AppStore.

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  • how to make a thread of never stop, and write something to database every 10 second..

    - by zjm1126
    i using gae and django this is my code: class LogText(db.Model): content = db.StringProperty(multiline=True) class MyThread(threading.Thread): def __init__(self,threadname): threading.Thread.__init__(self, name=threadname) def run(self,request): log=LogText() log.content=request.POST.get('content',None) log.put() def Log(request): thr = MyThread('haha') thr.run(request) return HttpResponse('')

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  • Read/Write on Plist file without using the iPhone SImulator?

    - by Silent
    Hello all, i am using an example from the iphone developer book from apress. the problem is that this example only works on the simulator im trying to figure out how i can make it work on the device. This chapter isn't working at all. below is the sample code. data.plist is located in the resource folder. NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; return [documentsDirectory stringByAppendingPathComponent:kFilename]; Below then checks to see if the file is located. this is skipped, so im guessing this does not find the file. if ([[NSFileManager defaultManager]fileExistsAtPath:filePath]) { NSArray *array = [[NSArray alloc] initWithContentsOfFile:filePath]; BGDataSave = [array objectAtIndex:0]; NSLog(@"%@", BGDataSave); price.text = [array objectAtIndex:1]; percent.text = [array objectAtIndex:2]; salepriceLabel.text = [array objectAtIndex:3]; origpriceLabel.text = [array objectAtIndex:4]; }

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  • Best practice for avoiding locks on a heavily read table?

    - by Luiggi
    Hi, I have a big database (~4GB), with 2 large tables (~3M records) having ~180K SELECTs/hour, ~2k UPDATEs/hour and ~1k INSERTs+DELETEs/hour. What would be the best practice to guarantee no locks for the reading tasks while inserting/updating/deleting? I was thinking about using a NOLOCK hint, but there is so much discussed about this (is good, is bad, it depends) that I'm a bit lost. I must say I've tried this in a dev environment and I didn't find any problems, but I don't want to put it on production until I get some feedback... Thank you! Luiggi

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  • How to pass a file (read from Java) most effectively to a native method?

    - by soc
    Hi, I have approx. 30000 files (1MB each) which I want to put into a native method, which requires just an byte array and the size of it as arguments. I looked through some examples and benchmarks (like http://nadeausoftware.com/articles/2008/02/java_tip_how_read_files_quickly) but all of them do some other fancy things. Basically I don't care about the contents of the file, I don't want to access something in that file or the byte array or do anything else with it. I just want to put a file into a native method which accepts an byte array as fast as possible. At the moment I'm using RandomAccessFile, but that's horribly slow (10MB/s). Is there anything like byte[] readTheWholeFile(File file){ ... } which I could put into native void fancyCMethod(readTheWholeFile(myFile), myFile.length()) What would you suggest?

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