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  • How do I add an extra separator to the top of a UITableView?

    - by richt
    Hi, I have a view for the iPhone that is basically split in two, with an informational display in the top half, and a UITableView for selecting actions in the bottom half. The problem is that there is no border or separator above the first cell in the UITableView, so the first item in the list looks funny. How can I add an extra separator at the top of the table, to separate it from the display area above it? Here's the code to build the cells - it's pretty straightforward. The overall layout is handled in a xib. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; } switch(indexPath.row) { case 0: { cell.textLabel.text = @"Action 1"; break; } case 1: { cell.textLabel.text = @"Action 2"; break; } // etc....... } return cell; }

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  • Converting Source ASCII Files to JPEGs

    - by CommonsWare
    I publish technical books, in print, PDF, and Kindle/MOBI, with EPUB on the way. The Kindle does not support monospace fonts, which are kinda useful for source code listings. The only way to do monospace fonts is to convert the text (Java source, HTML, XML, etc.) into JPEG images. More specifically, due to pagination issues, a given input ASCII file needs to be split into slices of ~6 lines each, with each slice turned into a JPEG, so listings can span a screen. This is a royal pain. My current mechanism to do that involves: Running expand to set a consistent 2-space tab size, which pipes to... a2ps, which pipes to... A small Perl snippet to add a "%%LanguageLevel: 3\n" line, which pipes to... ImageMagick's convert, to take the (E)PS and make a JPEG out it, with an appropriate background, cropped to 575x148+5+28, etc. That used to work 100% of the time. It now works 95% of the time. The rest of the time, I get convert: geometry does not contain image errors, which I cannot seem to get rid of, in part because I don't understand what the problem is. Before this process, I used to use a pretty-print engine (source-highlight) to get HTML out of the source code...but then the only thing I could find to convert the HTML into JPEGs was to automate screen-grabs from an embedded Gecko engine. Reliability stank, which is why I switched to my current mechanism. So, if you were you, and you needed to turn source listings into JPEG images, in an automated fashion, how would you do it? Bonus points if it offers some sort of pretty-print process (e.g., bolded keywords)! Or, if you know what typically causes convert: geometry does not contain image, that might help. My current process is ugly, but if I could get it back to 100% reliability, that'd be just fine for now. Thanks in advance!

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  • Replace without the replace function

    - by Molly Potter
    Assignment: Let X and Y be two words. Find/Replace is a common word processing operation that finds each occurrence of word X and replaces it with word Y in a given document. Your task is to write a program that performs the Find/Replace operation. Your program will prompt the user for the word to be replaced (X), then the substitute word (Y ). Assume that the input document is named input.txt. You must write the result of this Find/Replace operation to a file named output.txt. Lastly, you cannot use the replace() string function built into Python (it would make the assignment much too easy). To test your code, you should modify input.txt using a text editor such as Notepad or IDLE to contain different lines of text. Again, the output of your code must look exactly like the sample output. This is my code: input_data = open('input.txt','r') #this opens the file to read it. output_data = open('output.txt','w') #this opens a file to write to. userStr= (raw_input('Enter the word to be replaced:')) #this prompts the user for a word userReplace =(raw_input('What should I replace all occurences of ' + userStr + ' with?')) #this prompts the user for the replacement word for line in input_data: words = line.split() if userStr in words: output_data.write(line + userReplace) else: output_data.write(line) print 'All occurences of '+userStr+' in input.txt have been replaced by '+userReplace+' in output.txt' #this tells the user that we have replaced the words they gave us input_data.close() #this closes the documents we opened before output_data.close() It won't replace anything in the output file. Help!

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  • Unable to plot graph using matplotlib

    - by Aman Deep Gautam
    I have the following code which searches all the directory in the current directory and then takes data from those files to plot the graph. The data is read correctly as verified by printing but there are no points plotted on graph. import argparse import os import matplotlib.pyplot as plt #find the present working directory pwd=os.path.dirname(os.path.abspath(__file__)) #find all the folders in the present working directory. dirs = [f for f in os.listdir('.') if os.path.isdir(f)] plt.figure() plt.xlim(0, 20000) plt.ylim(0, 1) for directory in dirs: os.chdir(os.path.join(pwd, directory)); chd_dir = os.path.dirname(os.path.abspath(__file__)) files = [ fl for fl in os.listdir('.') if os.path.isfile(fl) ] print files for f in files: f_obj = open(os.path.join(chd_dir, f), 'r') list_x = [] list_y = [] for i in xrange(0,4): f_obj.next() for line in f_obj: temp_list = line.split() print temp_list list_y.append(temp_list[0]) list_x.append(temp_list[1]) print 'final_lsit' print list_x print list_y plt.plot(list_x, list_y, 'r.') f_obj.close() os.chdir(pwd) plt.savefig("test.jpg") The input files look like the following: 5 865 14709 15573 14709 1.32667e-06 664 0.815601 14719 1.55333e-06 674 0.813277 14729 1.82667e-06 684 0.810185 14739 1.4e-06 694 0.808459 Can anybody help me with why this is happening? Being new I would like to know some tutorial where I can get help with kind of plotting as the tutorial I was following made me end up here. Any help appreciated.

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  • Tree-like queues

    - by Rehno Lindeque
    I'm implementing a interpreter-like project for which I need a strange little scheduling queue. Since I'd like to try and avoid wheel-reinvention I was hoping someone could give me references to a similar structure or existing work. I know I can simply instantiate multiple queues as I go along, I'm just looking for some perspective by other people who might have better ideas than me ;) I envision that it might work something like this: The structure is a tree with a single root. You get a kind of "insert_iterator" to the root and then push elements onto it (e.g. a and b in the example below). However, at any point you can also split the iterator into multiple iterators, effectively creating branches. The branches cannot merge into a single queue again, but you can start popping elements from the front of the queue (again, using a kind of "visitor_iterator") until empty branches can be discarded (at your discretion). x -> y -> z a -> b -> { g -> h -> i -> j } f -> b Any ideas? Seems like a relatively simple structure to implement myself using a pool of circular buffers but I'm following the "think first, code later" strategy :) Thanks

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  • How to change a button from another function?

    - by Fernando SBS
    var ButtonFarmAtivada = new Array(); function X() { var tableCol = dom.cn("td"); //cell 0 //create start checkbox button ButtonFarmAtivada[index] = createInputButton("checkbox", index); ButtonFarmAtivada[index].name = "buttonFarmAtivada_"+index; ButtonFarmAtivada[index].checked = GM_getValue("farmAtivada_"+index, true); FM_log(3,"checkboxFarm "+(index)+" = "+GM_getValue("farmAtivada_"+index)); ButtonFarmAtivada[index].addEventListener("click", function() { rp_farmAtivada(index); }, false); tableCol.appendChild(ButtonFarmAtivada[i]); tableRow.appendChild(tableCol); // add the cell } 1) is it possible to create the button inside an array as I'm trying to do in that example? like an array of buttons? 2) I ask that because I will have to change this button later from another function, and I'm trying to do that like this (not working): function rp_marcadesmarcaFarm(valor) { var vListID = getAllVillageId().toString(); FM_log(4,"MarcaDesmarcaFarm + vListID="+vListID); var attackList = vListID.split(","); for (i = 0; i <= attackList.length; i++) { FM_log(3, "Marca/desmarca = "+i+" "+buttonFarmAtivada[i].Checked); ButtonFarmAtivada[i].Checked = valor; }; };

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  • jquery autosuggest: what is wrong with this code?

    - by Abu Hamzah
    i have been struggling to make it work my autosugest/autocomplete and its acting strange unless i am doing completely silly here. please have a look 1) does not do anything, does not work or nor fire the event. <script src="Scripts/jquery-1.4.2.js" type="text/javascript"></script> <script src="Scripts/jquery.autocomplete.js" type="text/javascript"></script> <form id="form1" runat="server"> <script type="text/javascript"> $(document).ready(function() { $("#<%=txtHost.UniqueID %>").autocomplete("HostService.asmx/GetHosts", { dataType: 'json' , contentType: "application/json; charset=utf-8" , parse: function(data) { var rows = Array(); debugger for (var i = 0; i < data.length; i++) { rows[i] = { data: data[i], value: data[i].LName, result: data[i].LName }; } return rows; } , formatItem: function(row, i, max) { return data.LName + ", " + data.FName; } }); }); </script> 2) this works if i remove the above code and replace with this code: <script type="text/javascript"> $(document).ready(function() { $("#txtHost").autocomplete("lazy blazy crazy daisy maisy ugh".split(" ")); }); </script> any help ?

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  • C# Combining lines

    - by Mike
    Hey everybody, this is what I have going on. I have two text files. Umm lets call one A.txt and B.txt. A.txt is a config file that contains a bunch of folder names, only 1 listing per folder. B.txt is a directory listing that contains folders names and sizes. But B contains a bunch of listing not just 1 entry. What I need is if B, contains A. Take all lines in B that contain A and write it out as A|B|B|B ect.... So example: A.txt: Apple Orange Pear XBSj HEROE B.txt: Apple|3123123 Apple|3434 Orange|99999999 Orange|1234544 Pear|11 Pear|12 XBSJ|43949 XBSJ|43933 Result.txt: Apple|3123123|3434 Orange|99999999|1234544 Pear|11|12 XBSJ|43949|43933 This is what I had but it's not really doing what I needed. string[] combineconfig = File.ReadAllLines(@"C:\a.txt"); foreach (string ccline in combineconfig) { string[] readlines = File.ReadAllLines(@"C:\b.txt"); if (readlines.Contains(ccline)) { foreach (string rdlines in readlines) { string[] pslines = rdlines.Split('|'); File.AppendAllText(@"C:\result.txt", ccline + '|' + pslines[0]); } } I know realize it's not going to find the first "if" because it reads the entire line and cant find it. But i still believe my output file will not contain what I need.

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  • Can Boost Program_options separate comma separated argument values

    - by lrm
    If my command line is: > prog --mylist=a,b,c Can Boost's program_options be setup to see three distinct argument values for the mylist argument? I have configured program_options as: namespace po = boost::program_options; po::options_description opts("blah") opts.add_options() ("mylist", std::vector<std::string>>()->multitoken, "description"); po::variables_map vm; po::store(po::parse_command_line(argc, argv, opts), vm); po::notify(vm); When I check the value of the mylist argument, I see one value as a,b,c. I'd like to see three distinct values, split on comma. This works fine if I specify the command line as: > prog --mylist=a b c or > prog --mylist=a --mylist=b --mylist=c Is there a way to configure program_options so that it sees a,b,c as three values that should each be inserted into the vector, rather than one? I am using boost 1.41, g++ 4.5.0 20100520, and have enabled c++0x experimental extensions.

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  • how to add data to ARRAYLIST

    - by Chamal
    try { ArrayList ar=new ArrayList(); PRIvariable pri=new PRIvariable(); BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream("C:/cdr2.csv"))); while (reader.ready()) { String line = reader.readLine(); String[] values = line.split(","); pri.dateText=values[2]+" "+values[4]; pri.count=pri.count+1; pri.sum = pri.sum+Integer.parseInt(values[7]); System.out.println(pri.dateText+" "+pri.sum+" "+pri.count); ar.add(pri); } String[] columnNames={"Date","TOTAL","COUNTS"}; String[][] cells=new String[ar.size()][3]; for(int i=0;i<ar.size();i++){ cells[i][0]=((PRIvariable)ar.get(i)).dateText; cells[i][1]=""+((PRIvariable)ar.get(i)).sum; cells[i][2]=""+((PRIvariable)ar.get(i)).count; } table = new JTable(cells,columnNames); table.setSize(400,400); table.setVisible(true); JScrollPane js=new JScrollPane(); js.setViewportView(table); js.setSize(400,400); js.setVisible(true); add(js,java.awt.BorderLayout.CENTER); } catch (Exception e) { System.out.println(e); } This is my code. Here i want to Read text file and put that data to Jtable. But in this code it shows every row of the Jtable filled with same data that contain in arraylist(ar) last row. ( i think there is problem in my arraylist). How can i solve this......

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  • What Are The Ways to Devide Text in Multi-Column? Need an Overview of Possibilities.

    - by Sam
    Hi folks, From source1 and source2 i gather that IE9 will NOT support multi-column css3!! Since it is still the most popular browser (another thing i cannot understand), i am left but no other choice than to use Programming Power to make multi-columns work. Now, I use three divs that float to left, and which are manually filled with text. Please don't laugh i know its stupid! But I would wish to not to have to worry about the columns and just have a one piece of (un-interrupted) text which all goes into only 1 div, and then have a program smart enough to split it up into X equally wide columns. Question: before i start reinvent the wheel, what methods of programming power have you known that tackle this elegantly? Please suggest your best working multi-column layout sources so I can evaluate which option is the best (I will update the below table). Exploring all possibilities 2011 and further, to enable multi column text user experience: Language Author SourceCodeUsage WorksOnAllMajorBrowser? ================================================================================= html manual labour put text manually in separate left-floating divs "Y" // Upside: control! Downside: few changes necessitates to reflow 3 divs manually! CSS3 w3c css3.info/preview/multi-column-layout/ "N" // {-moz-column-count: 3; -webkit-column-count: 3; } Thats all! javascript a list apart will add url soon ? // php ? ? ? //

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  • Finding multiple values in a string Jquery / Javascript

    - by user257503
    I have a three strings of categories "SharePoint,Azure,IT"; "BizTalk,Finance"; "SharePoint,Finance"; I need to find a way to check if a string contains for example "SharePoint" and "IT", or "BizTalk" and "Finance". The tests are individual strings themselces. How would i loop through all the category strings (1 - 3) and only return the ones which have ALL instances of the souce. i have tried the following function doesExist(source, filterArray) { var substr = filterArray.split(" "); jQuery.each(substr, function() { var filterTest = this; if(source.indexOf(filterTest) != -1 ) { alert("true"); return true; }else { alert("false"); return false; } }); } with little success...the code above checks one at a time rather than both so the results returned are incorrect. Any help would be great. Thanks Chris UPDATE: here is a link to a work in progress version..http://www.invisiblewebdesign.co.uk/temp/filter/#

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  • How to hide div serverside by reading cookie

    - by user338109
    I am using following a tutorial from here: http://www.shopdev.co.uk/blog/cookies-with-jquery-designing-collapsible-layouts/ This is the script I use: <script type="text/javascript" language="javascript"> $(function() { // SETUP: // When the info banner is clicked: $('#setup').click(function() { $('#intro').css("display","none"); $.cookie('intro', 'collapsed'); }); // COOKIES // Info banner state var intro = $.cookie('intro'); // READ THE COOKIES if (intro == 'collapsed') { $('#intro').css("display","none"); }; }); </script> The script hides the following div as the cookie is read: <div class="feedback attention" id="intro"> Text goes here <a id="setup" href="#">Ok I get it, please hide this</a> </div> Everything work great but when the page loads the div is shown for a split second. I guess the solution is to present two different pieces of markup serverside according to the cookie info. I have no idea how to go about this.

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  • How do you use glFrustrum in OpenGL ES1 on iPhone

    - by Paul
    So I am using Xcode 3.2.1 and am trying to make an iPhone OpenGL ES1 project. The default template for an opengl project is ok, but I have been trying to split the code up so not everything is done per frame on the drawView() call. I have a seperate setupRC method that sets the lighting, turns on depth test, turns on culling and sets the clear color. This is called on the init of the EAGLView and this works just fine. I have took the glViewport() and glFrustrum() calls and put them at the end of the resizeFromLayer() method in the ES1Renderer.m file. This gets hit when the app starts and when the app gets resized as it should. Now the problem is the frustrum's far seems to be messed up, as in all my objects get cut / clipped off. I tried adjusting the camera position and angle and it still all objects are cut / clipped. I increased the far from 1000.0f to 30000.0f and still get the same result. What is crazy is that if i call both the glViewport() and glFrustrum() calls in the drawView() every frame everything looks right. Nothing is clipped and looks like i want it. From everything I've been reading the frustrum and viewport calls only need to be called when the window / gets made and resizes, but If I don't call it every frame in my project it doesn't work. Any ideas? Thanks In Advance

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  • AWK: compare apache dates without using regular expression

    - by smallmeans
    I'm writing a loganalysis application and wanted to grab apache log records between two certain dates. Assume that a date is formated as such: 22/Dec/2009:00:19 (day/month/year:hour:minute) Currently, I'm using a regular expression to replace the month name with its numeric value, remove the separators, so the above date is converted to: 221220090019 making a date comparison trivial.. but.. Running a regex on each record for large files, say, one containing a quarter million records, is extremely costly.. is there any other method not involving regex substitution? Thanks in advance Edit: here's the function doing the convertion/comparison function dateInRange(t, from, to) { sub(/[[]/, "", t); split(t, a, "[/:]"); match("JanFebMarAprMayJunJulAugSepOctNovDec", a[2]); a[2] = sprintf("%02d", (RSTART + 2) / 3); s = a[3] a[2] a[1] a[4] a[5]; return s >= from && s <= to; } "from" and "to" are the intervals in the aforementioned format, and "t" is the raw apache log date/time field (e.g [22/Dec/2009:00:19:36)

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  • c# finding matching words in table column using Linq2Sql

    - by David Liddle
    I am trying to use Linq2Sql to return all rows that contain values from a list of strings. The linq2sql class object has a string property that contains words separated by spaces. public class MyObject { public string MyProperty { get; set; } } Example MyProperty values are: MyObject1.MyProperty = "text1 text2 text3 text4" MyObject2.MyProperty = "text2" For example, using a string collection, I pass the below list var list = new List<>() { "text2", "text4" } This would return both items in my example above as they both contain "text2" value. I attempted the following using the below code however, because of my extension method the Linq2Sql cannot be evaluated. public static IQueryable<MyObject> WithProperty(this IQueryable<MyProperty> qry, IList<string> p) { return from t in qry where t.MyProperty.Contains(p, ' ') select t; } I also wrote an extension method public static bool Contains(this string str, IList<string> list, char seperator) { if (String.IsNullOrEmpty(str) || list == null) return false; var splitStr = str.Split(new char[] { seperator }, StringSplitOptions.RemoveEmptyEntries); foreach (string s in splitStr) foreach (string l in list) if (String.Compare(s, l, true) == 0) return true; return false; } Any help or ideas on how I could achieve this?

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  • perl regular expressions substitution/replacement using variables with special characters

    - by user961627
    Okay I've checked previous similar questions and I've been juggling with different variations of quotemeta but something's still not right. I have a line with a word ID and two words - the first is the wrong word, the second is right. And I'm using a regex to replace the wrong word with the right one. $line = "ANN20021015_0104_XML_16_21 A$xAS A$xASA"; @splits = split("\t",$line); $wrong_word = quotemeta $splits[1]; $right_word = quotemeta $splits[2]; print $right_word."\n"; print $wrong_word."\n"; $line =~ s/$wrong_word\t/$right_word\t/g; print $line; What's wrong with what I'm doing? Edit The problem is that I'm unable to retain the complete words - they get chopped off at the special characters. This code works perfectly fine for words without special characters. The output I need for the above example is: ANN20021015_0104_XML_16_21 A$xASA A$xASA But what I get is ANN20021015_0104_XML_16_21 A A Because of the $ character.

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  • Javascript Cookie problems IE

    - by blakey87
    Hi guys, been bagging my head over some Javascript, please help, I cant see why it simply wont find my cookie in IE 7 or 8 I am setting the cookie true through another event, but I just want to see IE pick up the cookie which I initially set. Works in firefox too, thanks in advance. var t=setTimeout("doAlert()",8000); var doAlertVar = true; document.cookie = "closed=0;expires=0;path="; function readCookie(name) { var nameEQ = name + "="; var ca = document.cookie; alert(ca); ca = ca.replace(/^\s*|\s*$/g,''); ca = document.cookie.split(';'); for(var i=0;i < ca.length;i++) { var c = ca[i]; while (c.charAt(0)==' ') c = c.substring(1,c.length); if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length); } return null; } function doAlert(){ if(readCookie('closed')==1){ doAlertVar = false; } if(readCookie('closed')==0){ alert("unlicensed demo version\nbuy online at"); } t=setTimeout("doAlert()",5000); }

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  • How do I insert null fields with Perl's DBD::Pg?

    - by User1
    I have a Perl script inserting data into Postgres according to a pipe delimited text file. Sometimes, a field is null (as expected). However, Perl makes this field into an empty string and the Postgres insert statement fails. Here's a snippet of code: use DBI; #Connect to the database. $dbh=DBI-connect('dbi:Pg:dbname=mydb','mydb','mydb',{AutoCommit=1,RaiseError=1,PrintError=1}); #Prepare an insert. $sth=$dbh-prepare("INSERT INTO mytable (field0,field1) SELECT ?,?"); while (<){ #Remove the whitespace chomp; #Parse the fields. @field=split(/\|/,$_); print "$_\n"; #Do the insert. $sth-execute($field[0],$field[1]); } And if the input is: a|1 b| c|3 EDIT: Use this input instead. a|1|x b||x c|3|x It will fail at b|. DBD::Pg::st execute failed: ERROR: invalid input syntax for integer: "" I just want it to insert a null on field1 instead. Any ideas? EDIT: I simplified the input at the last minute. The old input actually made it work for some reason. So now I changed the input to something that will make the program fail. Also note that field1 is a nullable integer datatype.

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  • How expensive is a context switch? Is it better to implement a manual task switch than to rely on OS

    - by Vilx-
    The title says it all. Imagine I have two (three, four, whatever) tasks that have to run in parallel. Now, the easy way to do this would be to create separate threads and forget about it. But on a plain old single-core CPU that would mean a lot of context switching - and we all know that context switching is big, bad, slow, and generally simply Evil. It should be avoided, right? On that note, if I'm writing the software from ground up anyway, I could go the extra mile and implement my own task-switching. Split each task in parts, save the state inbetween, and then switch among them within a single thread. Or, if I detect that there are multiple CPU cores, I could just give each task to a separate thread and all would be well. The second solution does have the advantage of adapting to the number of available CPU cores, but will the manual task-switch really be faster than the one in the OS core? Especially if I'm trying to make the whole thing generic with a TaskManager and an ITask, etc?

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  • importing symbols from python package into caller's namespace

    - by Paul C
    I have a little internal DSL written in a single Python file that has grown to a point where I would like to split the contents across a number of different directories + files. The new directory structure currently looks like this: dsl/ __init__.py types/ __init__.py type1.py type2.py and each type file contains a class (e.g. Type1). My problem is that I would like to keep the implementation of code that uses this DSL as simple as possible, something like: import dsl x = Type1() ... This means that all of the important symbols should be available directly in the user's namespace. I have tried updating the top-level __init__.py file to import the relevant symbols: from types.type1 import Type1 from types.type2 import Type2 ... print globals() the output shows that the symbols are imported correctly, but they still aren't present in the caller's code (the code that's doing the import dsl). I think that the problem is that the symbols are actually being imported to the 'dsl' namespace. How can I change this so that the classes are also directly available in the caller's namespace?

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  • Creating android app Database with big amount of data

    - by Thomas
    Hi all, The database of my application need to be filled with a lot of data, so during onCreate(), it's not only some create table sql instructions, there is a lot of inserts. The solution I chose is to store all this instructions in a sql file located in res/raw and which is loaded with Resources.openRawResource(id). It works well but I face to encoding issue, I have some accentuated caharacters in the sql file which appears bad in my application. This my code to do this : public String getFileContent(Resources resources, int rawId) throws IOException { InputStream is = resources.openRawResource(rawId); int size = is.available(); // Read the entire asset into a local byte buffer. byte[] buffer = new byte[size]; is.read(buffer); is.close(); // Convert the buffer into a string. return new String(buffer); } public void onCreate(SQLiteDatabase db) { try { // get file content String sqlCode = getFileContent(mCtx.getResources(), R.raw.db_create); // execute code for (String sqlStatements : sqlCode.split(";")) { db.execSQL(sqlStatements); } Log.v("Creating database done."); } catch (IOException e) { // Should never happen! Log.e("Error reading sql file " + e.getMessage(), e); throw new RuntimeException(e); } catch (SQLException e) { Log.e("Error executing sql code " + e.getMessage(), e); throw new RuntimeException(e); } The solution I found to avoid this is to load the sql instructions from a huge static final string instead of a file, and all accentutated characters appears well. But Isn't there a more elegant way to load sql instructions than a big static final String attribute with all sql instructions ? Thanks in advance Thomas

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  • Named pipe stalls threads?

    - by entens
    I am attempting to push updates into a process via a named pipe, but in doing so my process loop now seams to stall on while ((line = sr.ReadLine()) != null). I'm a little mystified as to what might be wrong as this is my first foray into named pipes. void RefreshThread() { using (NamedPipeServerStream pipeStream = new NamedPipeServerStream("processPipe", PipeDirection.In)) { pipeStream.WaitForConnection(); using (StreamReader sr = new StreamReader(pipeStream)) { for (; ; ) { if (StopThread == true) { StopThread = false; return; // exit loop and terminate the thread } // push update for heartbeat int HeartbeatHandle = ItemDictionary["Info.Heartbeat"]; int HeartbeatValue = (int)Config.Items[HeartbeatHandle].Value; Config.Items[HeartbeatHandle].Value = ++HeartbeatValue; SetItemValue(HeartbeatHandle, HeartbeatValue, (short)0xC0, DateTime.Now); string line = null; while ((line = sr.ReadLine()) != null) { // line is in the format: item, value, timestamp string[] parts = line.Split(','); // push update and store value in item cache int handle = ItemDictionary[parts[0]]; object value = parts[1]; Config.Items[handle].Value = int.Parse(value); DateTime timestamp = DateTime.FromBinary(long.Parse(parts[2])); SetItemValue(handle, value, (short)0xC0, timestamp); } Thread.Sleep(500); } } } }

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  • Images from url to listview

    - by Andres
    I have a listview which I show video results from YouTube. Everything works fine but one thing I noticed is that the way it works seems to be a bit slow and it might be due to my code. Are there any suggestions on how I can make this better? Maybe loading the images directly from the url instead of using a webclient? I am adding the listview items in a loop from video feeds returned from a query using the YouTube API. The piece of code which I think is slowing it down is this: Feed<Video> videoFeed = request.Get<Video>(query); int i = 0; foreach (Video entry in videoFeed.Entries) { string[] info = printVideoEntry(entry).Split(','); WebClient wc = new WebClient(); wc.DownloadFile(@"http://img.youtube.com/vi/" + info[0].ToString() + "/hqdefault.jpg", info[0].ToString() + ".jpg"); string[] row1 = { "", info[0].ToString(), info[1].ToString() }; ListViewItem item = new ListViewItem(row1, i); YoutubeList.Items.Add(item); imageListSmall.Images.Add(Bitmap.FromFile(info[0].ToString() + @".jpg")); imageListLarge.Images.Add(Bitmap.FromFile(info[0].ToString() + @".jpg")); } public static string printVideoEntry(Video video) { return video.VideoId + "," + video.Title; } As you can see I use a Webclient which downloads the images so then I can use them as image in my listview. It works but what I'm concerned about is speed..any suggestions? maybe a different control all together?

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  • facebook Hacker cup: studious Student problem.

    - by smartmuki
    During the qualification round, the following question was asked: You've been given a list of words to study and memorize. Being a diligent student of language and the arts, you've decided to not study them at all and instead make up pointless games based on them. One game you've come up with is to see how you can concatenate the words to generate the lexicographically lowest possible string. Input As input for playing this game you will receive a text file containing an integer N, the number of word sets you need to play your game against. This will be followed by N word sets, each starting with an integer M, the number of words in the set, followed by M words. All tokens in the input will be separated by some whitespace and, aside from N and M, will consist entirely of lowercase letters. Output Your submission should contain the lexicographically shortest strings for each corresponding word set, one per line and in order. Constraints 1 <= N <= 100 1 <= M <= 9 1 <= all word lengths <= 10 Example input 5 6 facebook hacker cup for studious students 5 k duz q rc lvraw 5 mybea zdr yubx xe dyroiy 5 jibw ji jp bw jibw 5 uiuy hopji li j dcyi Example output cupfacebookforhackerstudentsstudious duzklvrawqrc dyroiymybeaxeyubxzdr bwjibwjibwjijp dcyihopjijliuiuy The program I wrote goes as: chomp($numberElements=<STDIN>); for(my $i=0; $i < $numberElements; $i++) { my $string; chomp ($string = <STDIN>); my @array=split(/\s+/,$string); my $number=shift @array; @sorted=sort @array; $sortedStr=join("",@sorted); push(@data,$sortedStr); } foreach (@data) { print "$_\n"; } The program gives the correct output for the given test cases but still facebook shows it to be incorrect. Is there something wrong with the program??

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