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  • Process incoming emails with script

    - by luckytaxi
    Remember iwantsandy.com? It was quite popular for what it did. ANyways, I'm looking to do something similar, but my question is, how does one process incoming emails? Let's assuming I'm using PHP or maybe even Ruby to do this. I would need a way to process the emails and dump them into a DB or something. Ok fine, but my main question is getting a script to kick off when an email comes in. I have a VPS so I have full control over my environment and it's running Centos.

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  • Concurrent processes do not utilize all available CPU

    - by metdos
    I run some processes on an EC2 cc2.8xlarge instance which has 32 virtual processors. For some type of processes, when I run 16 processes on parallel, all of them use 100% of CPU cycles. But for other type of processes, they are not using 100% CPU and they finish considerably slower than a single thread. There is no time spend on IO and all data is served from memory. Do you have any idea about the reason of this problem?

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  • Processing large (over 1 Gig) files in PHP using stream_filter_*

    - by mike
    $fp_src=fopen('file','r'); $filter = stream_filter_prepend($fp_src, 'convert.iconv.ISO-8859-1/UTF-8'); while(fread($fp_src,4096)){ ++$count; if($count%1000==0) print ftell($fp_src)."\n"; } When I run this the script ends up consuming ~ 200 MB of RAM after going through just 35MB of the file. Running it without the stream_filter zips right through with a constant memory footprint of ~10 MB. What gives?

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  • would there be such case of jumping, if yes how?

    - by Pooria
    I have an issue in the mind and that is since the jump instruction changes EIP register by adding signed offsets to it(if I'm not making a mistake here), on IA-32 architecture how would going upward in memory from location 0x7FFFFFFF(biggest positive number in signed logic) to 0x80000000(least negative number in signed logic) be possible? or maybe there shouldn't be such jump due to the nature of signed logic?

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  • Including a C header which declares a variable called "new"?

    - by StackedCrooked
    I'm trying to use the OpenCA library in a C++ application. However, when including the file pki_x509_data_st.h the following code fragment is encountered: typedef struct pki_x509_callbacks_st { /* ---------------- Memory Management -------------------- */ void * (*new) (void ); void (*free) (void *x ); void * (*dup) (void *x ); This won't compile because of the "new" pointer declaration. How can I make it work?

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  • C# program freezes without breakpoints

    - by Lily
    Hi, I'm implementing a program which gets text from various sites and checks which ones are most relevant to a query. The problem is that when I have breakpoints in my code it works perfectly well but without it, the program just freezes. Is this a memory issue? What can I do to solve this please? THanks

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  • Is Appfogs pricing model sustainable?

    - by Kyle Finley
    I was looking at AppFog's Pricing and they appear to be giving 2GB of ram away for free, to nonpaying customers. This seems unprecedented for PAAS provodes--providers like Heroku and App Engine remove the app from memory if it has been inactive for certain amount of time. Does cloudfoundry work similarly? Am I wrong in assuming that in a few years appfog servers will be filled with inactive non paying applications?

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  • Struct inside a class

    - by Balakrishnan
    I have a class definition of the form class X { public: //class functions private: A_type *A; //other class variables }; and struct A_type is defined as struct A_type { string s1,s2,s3; }; Inside the constructor, I allocate appropriate memory for A and try A[0].s1="somestring"; It shows segmentation fault. Is this kind of declaration invalid, or am I missing something

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  • Facebook data collection ethical issues

    - by the_great_monkey
    If I have a Facebook app, and my users agree to allow my app to access their information, photos, friends, etc, is it ethical to grab their information when they log in, and then saving it in memory so that the next time he goes to my app, it can load faster? If so, what about when the user logged off? Is the right thing to do to is to delete all the cached information and photos that the user provided? Has Facebook got any way to detect that we're doing this (saving their information, etc)?

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  • How do i view the index version of a file before it is committed?

    - by lsiden
    I have just performed add --interactive, so the index version of some files is different than the working-directory versions. Instead of doing diff --cached, I want to actually dump the contents of each file in the index, but I can't find a command to do that. I should think that there would be something like "git show INDEX:filename...", but "INDEX" is not a valid object name. I was able to do git ls --cached, then git show , but there should be a more straightforward method to see what you are committing.

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  • Any impact of restart OWSTIMER every hour?

    - by Khun
    I found OWSTIMER consume a lot of memory during create personal sites. (I have to pre-create personal sites for many users) After googling I found some suggestion to restart OWSTIMER but it’ll grow up again after create several personal sites. So I have to restart OWSTIMER every hour. Did you know any impact of restart OWSTIMER every hour? Thank you

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  • Creating CFArray from MySQL Result Array

    - by Andrew
    Is there an easy way to dump an array returned from mysql_fetch_row into a CFArray? (part of the PHP implementation of CFPropertyList) I'm bummed by the lack of documentation on CFPropertyList for PHP. Iterating through each item in the array seems inefficient. I'm open to using a different mysql_fetch_... command. I'd like to just say: $NewArray = new CFArray( $ResultArray ) But that deosn't seem to work. This is my current code: $plist = new CFPropertyList(); $ResultRow = mysqli_fetch_row( $result ); $plist-add( $TableRow = new CFArray() ); foreach ( $ResultRow as $Item ){ $TableRow-add( new CFString( $Item ) ); }

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  • Is there any way to force an iPhone application to relaunch?

    - by Jared P
    Basically -[UIApplication openURL:] would be perfect, if it wasn't for the fact that it doesn't work within the same application (at least on simulator -- if this works on device someone please tell me). It's not a super big deal though if it just relaunches w/o URLness since I can obviously just persist some data. The goal of this is to essentially free all memory in the application and call all of the loading procedures.

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  • Efficiently generate numpy array from list comprehension output?

    - by shootingstars
    Is there a more efficient way than using numpy.asarray() to generate an array from output in the form of a list? This appears to be copying everything in memory, which doesn't seem like it would be that efficient with very large arrays. (Updated) Example: import numpy as np a1 = np.array([1,2,3,4,5,6,7,8,9,10]) # pretend this has thousands of elements a2 = np.array([3,7,8]) results = np.asarray([np.amax(np.where(a1 > element)) for element in a2])

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  • Dynamic Iframe printing

    - by zachary
    I want to dynamically set the content of an iframe to that of an html document I have. It is in the form of a string in memory in javascript. Then i want to print that iframe. Ideas?

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  • OnLowMemory getting called

    - by Sam97305421562
    Hi, I am doing an App which access the gprs .I am facing problem when the user starts another application who uses gprs also like google maps .It takes it own heap memory ,after doing some operation on Maps app it calls OnLowMemory of my service .and my ui is also killed in background. I am not getting any proper tutorial haw can i start my app when it is getting killed during onLowMemory ,or is there any other way to handle it . Thanks in advance.

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  • C# Dictionary Performance

    - by derek
    I am using a Dictionary to store data, and will be caching it. I would like to avoid server memory issues, and have good performance by limiting the size of the Dictionary<, either in size or number of entries. What is the best method of doing this? Is there another class I should be considering other than a Dictionary?

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  • Why use one dimensional array instead of a two dimensional arrray?

    - by user3869145
    I was doing some work handling a lot of information and my partner told me that I was using too many matrices to manipulate the variables of the problem. The idea was to use one dimension arrays int a[] instead of the 2 dimensional arrays int b[][], to save memory and processing speed of the algorithm. How certain is that this change will accelerate the speed of execution or compilation of my code in c ++?

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