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• How to search for a string including spaces in Objective C?

  - by AlexCu

  I have a real basic command-line program, in Objective-C, that searches for user inputed information. Unfourtunately, the code will only read the first word in series of words that the user enters. For example, if the user enters in "Apples are great", only "Apples" is kept (and hence searched later on), excluding the "are great" part of the sentence. Here's what I have so far: char enteredQuery [128]; // array 'name' to hold the scanf string NSString *searchQuery; // ending NSString to hold and compare the user inputed data NSLog(@"Enter search query:"); scanf("%s", enteredQuery); //will read the next line searchQuery = [NSString stringWithCString: enteredQuery encoding: NSASCIIStringEncoding]; //converts scanf data into a NSString type I know it's got to do with me using scanf or the character-encoder conversion, but I can't seem to figure it out. Any help in solving the problem is very appreciated! Thanks.

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• character matching in grayscale image

  - by maximus

  I made patterns: images with the "A" letter of different sizes (from 12 to 72: 12, 14, .., 72) And I tested the method of pattern matching and it gave a good results. One way to select text regions from image is to run that algorithm for all small and big letters and digits of different sizes. And fonts! I don't like it. Instead of it I want to make something like a universal pattern or better to say: scanning image with different window sizes and select those regions where some function (probability of that there is a character at that window) is more than some fixed value. Do you know any methods or ideas to make that function? It must work with original image (grayscale).

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• Get Python 2.7's 'json' to not throw an exception when it encounters random byte strings

  - by Chris Dutrow

  Trying to encode a a dict object into json using Python 2.7's json (ie: import json). The object has some byte strings in it that are "pickled" data using cPickle, so for json's purposes, they are basically random byte strings. I was using django.utils's simplejson and this worked fine. But I recently switched to Python 2.7 on google app engine and they don't seem to have simplejson available anymore. Now that I am using json, it throws an exception when it encounters bytes that aren't part of UTF-8. The error that I'm getting is: UnicodeDecodeError: 'utf8' codec can't decode byte 0x80 in position 0: invalid start byte It would be nice if it printed out a string of the character codes like the debugging might do, ie: \u0002]q\u0000U\u001201. But I really don't much care how it handles this data just as long as it doesn't throw an exception and continues serializing the information that it does recognize. How can I make this happen? Thanks!

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• Regex - Trim character at the end of a string

  - by Torez

  I am trying to remove a trailing - (dash) at the end of the string. Here is my code: <?php $str = 'SAVE $45! - Wed. Beach Co-ed 6s (Jul-Aug)'; echo ereg_replace('([^a-z0-9]+)','-',strtolower($str)); ?> produces this: save-45-wed-beach-co-ed-6s-jul-aug- How can I remove a specific trailing character only if its there, in this case the dash? Thanks in advance.

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• RegEx - character not before match

  - by danneth

  I understand the consepts of RegEx, but this is more or less the first time I've actually been trying to write some myself. As a part of a project, I'm attempting to parse out strings which match to a certain domain (actually an array of domains, but let's keep it simple). At first I started out with this: url.match('www.example.com') But I noticed I was also getting input like this: http://www.someothersite.com/page?ref=http://www.example.com These rows will ofcourse match for www.example.com but I wish to exclude them. So I was thinking along these lines: Only match rows that contain www.example.com, but not after a ? character. This is what I came up with: var reg = new RegExp("[^\\?]*" + url + "(\\.*)", "gi"); This does however not seem to work, any suggestions would be greatly appreciated as I fear I've used what little knowledge I yet possess in the matter.

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• Minimum 4 Characters or Show Nothing - PHP

  - by ali

  Hi, I want to show up only words with minimum 4 Characters, actually I can limit the hits and show only words with min. 100 hits - but how can I set a min. character length? thank you! function sm_list_recent_searches($before = '', $after = '', $count = 20) { // List the most recent successful searches. global $wpdb, $table_prefix; $count = intval($count); $results = $wpdb->get_results( "SELECT `terms`, `datetime` FROM `{$table_prefix}searchmeter_recent` WHERE 100 < `hits` ORDER BY `datetime` DESC LIMIT $count"); if (count($results)) { foreach ($results as $result) { echo '<a href="'. get_settings('home') . '/search/' . urlencode($result->terms) . '">'. htmlspecialchars($result->terms) .'</a>'.", "; } } }

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• Command to surround a character with spaces in vim

  - by William Becker

  I am trying to use vim properly - to aid me I've mapped my arrow keys to "" so that I am forced to use {hjlk} to move around. This is causing me a problem when I want to just surround a character with spaces, eg: "2+3" is better formatted "2 + 3" Previously I would have put my cursor over the + and typed: i[space][arrow-right][space][Esc] That's 5 presses. To do this without the arrow I seem to need to put the cursor over the + and go: i[space][Esc]lli[space][Esc] That's 8 presses. I can convert the "li" into an "a" which reduces it to 7 presses: i[space][Esc]la[space][Esc] Short of writing this into a macro is there a better way of doing it? Is there some magic vim command which will allow me to do it in less than even 5 presses - and some way to generalise it so that I can do it to entire words or symbols, eg if I want to convert 3==4 to 3 == 4?

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• Getline and 16h (26d) character

  - by Kra

  Hi, in VC++ environment Im using (string) getline function to read separate lines in opened file. Problem is that getline takes character 1Ah as end of file and if it is present on the line, whole reading ends prematurely. Is there any solution for this? Code snippet: fstream LogFile (Source,fstream::in); string Line while (getline(LogFile,Line)) { .... } File contents: line1text1asdf line2text2asd //EOF for getline here line3asdas // this line will never be read by getline Thank you for any info. Kra

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• Freeing a character pointer returns error

  - by Kraffs

  I'm trying to free a character pointer after having used it but it returns a strange error. The error says: "_CrtDbgREport: String too long or IO Error" The debugger itself returns no errors while compiling. The code currently looks like this: void RespondToUser(SOCKET client, SOCKET server) { char buffer[80]; char *temp = malloc(_scprintf("HTTP/1.1 200 OK\r\n%s\r\nServer: %s\r\nConnection: close\r\n\r\nHi!", buffer, SERVER_NAME)); sprintf(temp, "HTTP/1.1 200 OK\r\n%s\r\nServer: %s\r\nConnection: close\r\n\r\nHi!", buffer, SERVER_NAME); send(client, temp, strlen(temp), 0); closesocket(client); free(temp); ListenToUsers(server); } The problem only occurs when I try to free the temp pointer from the memory and not otherwise. What might be causing this?

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• SQL tables using VARCHAR with UTF8 (with respect to multi byte character length)

  - by Elius

  Like in Oracle VARCHAR( 60 CHAR ) I would like to specify a varchar field with variable length depending on the inserted characters. for example: create table X (text varchar(3)) insert into X (text) VALUES ('äöü') Should be possible (with UTF8 as the default charset of the database). On DB2 I got this Error: DB2 SQL Error: SQLCODE=-302, SQLSTATE=22001 (Character data, right truncation occurred; for example, an update or insert value is a string that is too long for the column, or a datetime value cannot be assigned to a host variable, because it is too small.) I'm looking for solutions for DB2, MsSql, MySql, Hypersonic.

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• How do I split Chinese characters one by one?

  - by Nano HE

  If there is no special character(such as white space, : etc) between firstname and lastname. Then how to split the Chinese characters below. use strict; use warnings; use Data::Dumper; my $fh = \*DATA; my $fname; # ??; my $lname; # ? ; while(my $name = <$fh>) { $name =~ ??? ; print $fname"/n"; print $lname; } __DATA__ ??? Output ?? ?

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• Removing the last character of a string IF it is $variable

  - by KeenLearner

  Hi there, I've made a little script to convert titles into url friendly things. ie: 'I am a title' becomes 'I_am_a_title' My script basically goes through and turns spaces, apostrophes, commas etc etc into an underscore. The problem is, sometimes my url's end up like this: 'i_am_a_title_' with a trailing underscore... So i figure, add a little bit to go through and search to see if the last character is an underscore on the final result, and if it is, then swap it. I looked into the strrchr() function but I seem to be hitting a wall of my own understanding. How is this sort of thing accomplished?

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• An invalid character was found in text content.'

  - by Praveen Nambiar

  An invalid character was found in text content.'. Could not find prepared statement with handle 0. sp_xml_removedocument: The value supplied for parameter number 1 is invalid. Below is the xml that i am generating. <NewDataSet> <ControlManagementItems><ControlId>74</ControlId><Value>wqeqe</Value></ControlManagementItems> <ControlManagementItems><ControlId>76</ControlId><Value>Yes</Value></ControlManagementItems> <ControlManagementItems><ControlId>78</ControlId><Value>Consumer Core $100 infinite – Nov 2010</Value></ControlManagementItems> <ControlManagementItems><ControlId>108</ControlId><Value>Samsung Galaxy S 16GB</Value></ControlManagementItems> </NewDataSet>

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• jQuery .click() .toggle() - change display and swap character

  - by danit

  Here is my jQuery: $('.ask').click(function() { $('.addtitle').slideToggle('fast', function() { // Animation complete. }); }); And my HTML: <p class="ask">+</p> <div class="addtitle"> <p>Give your Idea a great title</p> <form name="input" action="#" method="get"> <input id="title" type="text" name="title" /> <input id="go" type="submit" value="Go" /> </form> </div> I have multiple .ask div's on the page and I only want it to effect the .next() div named .ask rather than all div's named .ask. I also want to .toggle() the '+' character to '-' Can anyone assist?

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• char '0x8' what character is this?

  - by OHHAI

  I have a large amount of data in a database. When I attempt to read a certain portion of the data and generate some xml and send it to a webservice I get the following exception... The char '0x8' in 'java.lang.IllegalArgumentException'. I'm guessing it is some bad data, as it has worked perfectly for about 7 months but now some user uploaded some new data that seems to have some issues. Anyone know what character this is so I can just run a sql query and clean it from the db? Thanks in advance.

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• Animation not playing

  - by Tate Allen

  Hello again, I didn't say this last time but I am relatively new to iPhone programming and extremely new to iPhone game development so bear with me. In my game, when I tilt the device, the character moves and faces the correct direction, but does not animate. I am using an animated UIImageView. Here is the code: float newX = character.center.x + (accel.x * 12); if (newX 30 && newX < 290) character.center = CGPointMake(newX, character.center.y); if (accel.x < 0) { NSArray *imgArray = [[NSArray alloc] initWithObjects: [UIImage imageNamed:@"run3left.png"], [UIImage imageNamed:@"run1left.png"], [UIImage imageNamed:@"run2left.png"], [UIImage imageNamed:@"run1left.png"], nil]; character.animationImages = imgArray; character.animationDuration = 0.5; character.contentMode = UIViewContentModeBottomLeft; [self.view addSubview:character]; [character startAnimating]; } if (accel.x > 0) { NSArray *imgArray = [[NSArray alloc] initWithObjects: [UIImage imageNamed:@"run3.png"], [UIImage imageNamed:@"run1.png"], [UIImage imageNamed:@"run2.png"], [UIImage imageNamed:@"run1.png"], nil]; character.animationImages = imgArray; character.animationDuration = 0.5; character.contentMode = UIViewContentModeBottomLeft; [self.view addSubview:character]; [character startAnimating]; } }

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• android: how to align image in the horizontal center of an imageview?

  - by Yang

  I've tried all scaletype in gravity, but all of them result in the image to be at the left corner of the imageview. <ImageView android:id="@+id/image" android:scaleType="centerInside" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginRight="6dip" android:background="#0000" android:src="@drawable/icon1" />

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• How can I center a Silverlight DataGridTemplateColumn header?

  - by Mike Pateras

  I want to center the header on a Silverlight DataGridTemplateColumn. The following code gets me most of the way there: DataGridTemplateColumn column = new DataGridTemplateColumn(); column.CellTemplate = Resources[templateName] as DataTemplate; column.Header = headerName; column.HeaderStyle = new Style { TargetType = typeof(DataGridColumnHeader) }; column.HeaderStyle.Setters.Add(new Setter(DataGridColumnHeader.HorizontalAlignmentProperty, HorizontalAlignment.Center)); The header is, indeed, centered, but if the column is expanded, the header doesn't stretch. It just remains it's original width, leaving white gaps on either side of it, which looks terrible. What is the proper way to center the column header, such that it still occupies the full width?

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• Vertical-centering and overflow Excel-style in CSS?

  - by Eric Grange

  Is there a way to perform a vertical centering of a variable-sized multi-line content within a fixed-size div, with hidden overflow? The aim would be to reproduce what you can see in Excel cells: when the content fits the container, it should be vertically centered, when it is larger, the parts that overflow should be hidden (and the content still vertically aligned), like in an Excel cell whose neighbours aren't empty. I know how to vertically center using CSS, I know how to hide overflow when the content isn't vertically centered, but I've no idea how to do both at the same time... Is Javascript the only answer? The trick is that CSS positioning approaches don't work with variable-sized content (my content is dynamic text), and when you use display:table-cell, it effectively disables CSS overflow control (and the container grows to accomodate the content).

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• Why are these divs not aligned and space between?

  - by acidzombie24

  Why isnt everything aligned? No yellow should be visible and no orange should be visible except for the right side and bottom left where theres space for another image. Basically my images are pretty much aligned to the center (i have other pics not in this example which is easier to see). However in this case when i have 150px height image the 150 width seems start lower. Also why are there spaces in between <!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"><head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>ldfk;sd</title> <style type="text/css"> div.ImgGallery { max-width: 630px; background: orange; } .ImgGallery div { display: inline; } /* http://www.brunildo.org/test/img_center.html */ .ImgGallery div div { display: table-cell; text-align: center; background: gray; width: 150px; height: 150px; } .ImgGallery div{ background: yellow; vertical-align: middle; } //.ImgGallery div div :nth-child(2n+1) { background: red; } .ImgGallery * { vertical-align: middle; } .ImgGallery a { display: block; } .ImgGallery a * { border-style: none; } </style> </head> <div class="smallGallery"> <div class="ImgGallery"> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="b.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="b.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> </div></div> </body></html>

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• Align the values of the cells in JTable?

  - by Venkats

  I'm not aware of how to align the values of cells in JTable. For Ex,The Jtable shows, Name Salary Mr.X 100000.50 XXXX 234.34 YYYy 1205.50 I want to align the "Salaries" in the following format. Name Salary Mr.X 100000.50 XXXX 234.34 YYYy 1205.50 How to align as above the JTable

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• Align the coordinate labels of the triangles, so that they never collide with each other. Actionscri

  - by Arafat

  Hi all, Im trying to achieve something similar to the flash movie in the below link. http://mathopenref.com/coordtrianglearea.html As we drag the points of the triangle, the coordinates labels, ( A(1,2)) are properly aligned and arrange themselves so that they never collide with each other and never falls inside the triangle. Please guide me.. Thanks in advance.

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• [LaTeX] How to remove \hyphenpenalty & \pretolerance influence on section/subsection headers

  - by oleg-strikov

  Hi there, In my latex document i've set \hyphenpenalty=15000 and \pretolerance=10000 to remove word hyphenation and make text bounds even. But I can't disable this effect for section/subsection headers. All headers looks badly due to big spaces between words (image). Are there any solution to disable \hyphenpenalty=15000 and \pretolerance=10000 effect for headers? Thank you!

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• tinymce un-justify toolbar

  - by deostroll

  Hi, I am loading my tinyMCE inside my jquery document ready function. It is loaded in advanced mode, and I am also setting my toolbar to appear aligned 'left'. However this is still not appearing the way I imagine it should. What could be the problem?

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• Text orientation

  - by Psytronic

  Hi Guys I know you can do this to get vertical text in a tab header: <Window x:Class="Abodemploy.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="300" Width="300" <Grid <TabControl Margin="0" Name="tabControl1" FlowDirection="LeftToRight" TabStripPlacement="Left" <TabItem <TabItem.Header <StackPanel Orientation="Horizontal" <TextBlockHomes</TextBlock </StackPanel </TabItem.Header <TabItem.LayoutTransform <TransformGroup <RotateTransform Angle="90" / </TransformGroup </TabItem.LayoutTransform <Grid / </TabItem </TabControl </Grid </Window However the text letters are sideways. What I'd like (if possible) is for the letter orientation to be correct (ie upwards), but the text flow downwards, is this possible, or am I just dreaming the impossible dream? Thanks Psy

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