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• how to control textbox type to double in visual basic?

  - by fema

  Hi, I'd like to make a textbox that accepts only numbers, but not integer, but rather double. I've read here about e.Handled = Not Char.IsDigit(e.KeyChar) and it works, but again, it can be used only for integer, since it declines decimal point. Another thing I've read here is If Not Double.TryParse(TextBox2.Text, value) Then .... and it would work fine, except that it allows only decimal comma instead of point. I don't know whether it's because of my location settings (Hungary, we use commas instead of points), but I don't have any other idea how to solve my problem, and the SQL server I send my data uses decimal point. Thanks in advance.

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• Better way of enforcing this template?

  - by Dennis Ritchie

  Currently, I have a function template like this that converts a vector into a string (just a natural string, separating the elements with a comma): //the type T must be passable into std::to_string template<typename T> std::string vec_to_str(const std::vector<T> &vec); As you can see, this is only meant for vectors whose elements can be passed into the built-in std::to_string function (such as int, double, etc.) Is it considered a good practice to document with comments the allowed T? If not, what should I do? Is it possible to enforce this in a better way?

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• PHP/Codeigniter processing a list with javascript

  - by user270797

  I have a list of items that the user can select. I want it to be more user friendly than standard checkboxes so I have seperate div's each with a unique id. When user clicks an item, I use javascript to display a tick on top of that item and change the style to show that it is highlighted. Im trying to work out how I can pass the list of id's when the form is submitted. Remember, if the user unticks an item, it should be removed from the list, I was thinking of using comma seperated values in a hidden text field but couldnt work out how to remove items from the start of the list if they were deselected

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• Is there any professional way to illustrate difference between 2 diagrams?

  - by lamwaiman1988

  I made a documented which is to describe the difference between the same logical structure from different version ( e.g Structure A from version 8 and Structure A from version 9 ). Luckily I've got the logical structure diagram from the 2 functional specification. I've managed to copy the image of each logical structure and paste them in MS Word and compare the 2 version side by side. I don't know if there is a standard way to illustrate the difference. I simply draw a cross over the removed logical member from the previous version and draw a rectangle around the new logical member of the next version. I know my way is kinda childish. I am wondering how to present them professionally. In addition, You won't believe this, but MS Word doesn't have a shape of CROSS, so I am actually using a multiplication sign that look like a giant monster: This is why I hate myself. Unlike 2 separated lines, this shape is easy to use, draw and resize. I am wondering if MS Word would care about a normal cross.

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• Sorting in Matlab

  - by smichak

  Hi, I would like to sort elements in a comma-separated list. The elements in the list are structs and I would like the list to be sorted according to one of the fields in the struct. For example, given the following code: L = {struct('obs', [1 2 3 4], 'n', 4), struct('obs', [6 7 5 3], 'n', 2)}; I would want to have a way to sort L by the field 'n'. Matlab's sort function only works on matrices or arrays and on lists of strings (not even lists of numbers). Any ideas on how that may be achieved? Thanks, Micha

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• How can I check with a regex that a string contains only certain allowed characters?

  - by Camran

  I need a special regular expression, have no experience in them whatsoever so I am turning to you guys on this one: I need to validate a classifieds title field so it doesn't have any special characters in it, almost. Only letters and numbers should be allowed, and also the swedish three letters å, ä, ö, and also not case sensitive. Besides the above, these should also be allowed: The "&" sign. Parenthesis sign "()" Mathematical signs "-", "+", "%", "/", "*" Dollar and Euro signs One accent signed letter: "é". //Only this one is required Double quote and singel quote signs. The comma "," and point "." signs Thanks

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• All things equal what is the fastest way to output data to disk in C++?

  - by user260197

  I am running simulation code that is largely bound by CPU speed. I am not interested in pushing data in/out to a user interface, simply saving it to disk as it is computed. What would be the fastest solution that would reduce overhead? iostreams? printf? I have previously read that printf is faster. Will this depend on my code and is it impossible to get an answer without profiling? Edit: Output data needs to be in text format, whether tab or comma separated. This will require formatting, precision, etc. Running in Windows.

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• CSV parser in C++

  - by User1

  All I need is a good CSV file parser for C++. At this point it can really just be a comma-delimited parser (ie don't worry about escaping new lines and commas). The main need is a line-by-line parser that will return a vector for the next line each time the method is called. I found this article which looks quite promising: http://www.boost.org/doc/libs/1_35_0/libs/spirit/example/fundamental/list_parser.cpp I've never used Boost's Spirit, but am willing to try it. Is it overkill/bloated or is it fast and efficient? Does anyone have faster algorithms using STL or anything else? Thanks!

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• what is a TOPIC in Struts2

  - by nacho4d

  HI, I am learning struts 2 with Tiles 2 and the word "topic" shows up very frequently... What is a topic? for example: The sx:a tag (specifically the ajax a template) and the div tag support an ajax event system, providing the ability to broadcast events to topics. You can specify the topics to listen to using a comma separated list in the listenTopics attribute. What this means is that when a topic is published, usually through the ajax a template, the URL specified in the href attribute will be re-requested. Placeholder... Refresh

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• Multivalue parametres in SSRS- display in the report

  - by pfeffer

  I just started working with SSRS, so this question might seem silly. Anyway, for now I'm trying to avoid multi-valued parameters, because I want my parameters to be able to be NULL. So I'm just passing a comma-separated string of ID values to my stored procedure, and everything works. The problem I encountered is that I want to display the actual values, not IDs, in the report, so that users can see, what filter was used. If that were a multi-valued parameter, I would simply use JOIN function, but now I am out of ideas and would really appreciate some help. Thanks!

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• .NET Format a string with fixed spaces

  - by treant

  Does the .NET String.Format method allow placement of a string at a fixed position within a fixed length string. " String Goes Here" " String Goes Here " "String Goes Here " How is this done using .NET? Edit - I have tried Format/PadLeft/PadRight to death. They do not work. I don't know why. I ended up writing my own function to do this. Edit - I made a mistake and used a colon instead of a comma in the format specifier. Should be "{0,20}". Thanks for all of the excellent and correct answers.

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• python - selenium script syntax error

  - by William Hawkes

  Okay, I used selenium to test some automation, which I got to work. I did an export of the script for python. When I tried to run the python script it generated, it gave me a "SyntaxError: invalid syntax" error message. Here's the python script in question: from selenium import selenium import unittest, time, re class WakeupCall(unittest.TestCase): def setUp(self): self.verificationErrors = [] self.selenium = selenium("localhost", 4444, "*chrome", "http://the.web.site") self.selenium.start() def test_wakeup_call(self): sel = self.selenium sel.open("/index.php#deposit") sel.wait_for_page_to_load("30000") sel.click("link=History") sel.wait_for_page_to_load("30000") try: self.failUnless(sel.is_text_present("key phrase number 1.")) except AssertionError, e: self.verificationErrors.append(str(e)) The last line is what generated the "SyntaxError: invalid syntax" error message. A "^" was under the comma. The rest of the script goes as follows: def tearDown(self): self.selenium.stop() self.assertEqual([], self.verificationErrors) if name == "main": unittest.main()

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• Removing repeated characters, including spaces, in one line

  - by Thumper

  I currently have a string, say $line='55.25040882, 3,,,,,,', that I want to remove all whitespace and repeated commas and periods from. Currently, I have: $line =~ s/[.,]{2,}//; $line =~ s/\s{1,}//; Which works, as I get '55.25040882,3', but when I try $line =~ s/[.,\s]{2,}//; It pulls out the ", " and leaves the ",,,,,,". I want to retain the first comma and just get rid of the whitespace. Is there a way to elegantly do this with one line of regex? Please let me know if I need to provide additional information.

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• Only strip commas surrounded by numbers in a string

  - by overlook77

  I am using StreamReader to read each line of a CSV file into a string. As I am processing each line, I need to strip out any commas that ONLY are surrounded by other numbers. For example, if the string was: "textfield1", "textfield2", "100.00", "1,070.00" I would need to only take the comma out of "1,070.00" from this entire string, resulting in: "textfield1", "textfield2", "100.00", "1070.00" Each string read from the CSV file can differ in number of fields, length, etc., so I need to use something (Regular Expressions maybe?) that looks at the entire string without hardcoding a location or blanket removal of all commas. Here is the approach I have been trying: StreamReader sr = new StreamReader(strInputFile); string nextLine = sr.ReadLine(); try { while ((nextLine = sr.ReadLine()) != null) { string rawtext = nextLine.Replace("[0-9]"+","+"[0-9]" , "[0-9]"+"[0-9]"); // ....rest of code } } This obviously doesn't work because I don't understand how to do this :) I am new at C# and inexperienced in Regex, so hopefully this is relatively simple.

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• C# Replace two specific commas in a string with many commas

  - by Hal

  I am trying to change the date format in each line from commas to hyphens. The index of the comma separating the month and day day and year varies. lines_in_List[i] = lines_in_List[i].Insert(0, cnt + ","); // Insert Draw # in 1st column string one_line = lines_in_List[i]; // 0,5,1,2012,1,10,19,16,6,36,,, // 1,11,5,2012,49,35,23,37,38,28,,, // 2,12,10,2012,8,52,53,54,47,15,,, // ^-^--^ replace the ',' with a '-'. StringBuilder changed = new StringBuilder(one_line); changed[3] = '-'; changed[5] = '-'; changed[3] = '-'; lines_in_List[i] = changed.ToString(); }

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• Split string on first two colons

  - by Mark Miller

  I would like to split a column of strings on the first two colons, but not on any subsequent colons: my.data <- read.table(text=' my.string some.data 12:34:56:78 -100 87:65:43:21 -200 a4:b6:c8888 -300 11:bb:ccccc -400 uu:vv:ww:xx -500', header = TRUE) desired.result <- read.table(text=' my.string1 my.string2 my.string3 some.data 12 34 56:78 -100 87 65 43:21 -200 a4 b6 c8888 -300 11 bb ccccc -400 uu vv ww:xx -500', header = TRUE) I have searched extensively and the following question is the closest to my current dilemma: Split on first comma in string Thank you for any suggestions. I prefer to use base R.

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• Top down or bottom up approach?

  - by george_zakharov

  this is the closest I think I can get to define my problem. I'm an interface designer and now I'm working with a team of programmers to develop a new CMS for a heavy media site. I'm sorry if it's a very, very dumb question to ask here, but I really need some help. As I've started developing a specification list for a prototype it turned out a very big one. I do realize now that the client-side will be JS heavy, with lots of DnD and other "cool designer stuff". The CMS will even include a small project management system for its users, nothing big like Basecamp, but with a live feed of comments etc. The problem is the the team has now separated. Someone is proposing the existing backend solution used in other CMS, someone is proposing to rewrite everything from scratch. The point to keep the code is that it is faster, the point to rewrite is to make it better for the proposed design (include Node.js and other stuff I don't actually get). The question is — can the UI specs influence back-end? The guys that propose to use the existing solution did everything with the Yii framework (as far as I know), and they say that everything on server is not affected by this "interface coolness". Others say that it does, that even autosave can't work without server load. Please, if this is really incomprehensible, again, I'm sorry, and I'll happy to clarify it after your questions. Thanks in advance

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• Need help with Excel 2007 Formula - Many to many update

  - by Monica

  I'm experienced with database development, but not so much with Excel. I'm looking for help writing an Excel formula that would help my client's spreadsheet behave like a database. This is what I'm looking to do, but I can't figure out how to write it in Excel 2007: "If Q4 (on sheet 2) contains A2 (on sheet 1), append A1 (on sheet 1) with Q5 (on sheet 2)" Some factors: 1) This formula may find multiple instances of A2, so it should not stop after finding the first match 2) The values, as they are created in A1, should be separated with comma and space 3) This is a many to many relationship between Q4 and A2 Thanks for any help with this. I've tried vlookups, match, if statements, but they all fall short in one way or another.

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• Best way to find all input elements inside a form using jQuery

  - by Aayush

  I need to find all form elements inside inside a form and trigger a flag on change in the value. Currently I am using the method below. I am not sure if this works or not. But It surely works for: .find('input[type=text]) $('#form').find('input[type=text], input[type=radio], input[type=checkbox], select, textarea').each(function(){ $(this).change(function(){ if( change !== 1 ) change = 1; }); }) Now I have added multiple elements with the comma. Will this work and is this the best way to do this. Appreciate all the help. Thanks!

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• Issue with a JPA query

  - by boyd4715

  I am trying to execute the following JPA query: public static final String UPDATE_INVENTORY_CUSTOMER_FOR_AMS_MAPPING = "UPDATE Inventory inventory SET" + " inventory.customer.id = :" + DataAccessConstants.PARAM_CUSTOMER_ID + " ,inventory.lastUpdateUserId = :" + DataAccessConstants.PARAM_USER_ID + " where inventory.amsConsignorName = :" + DataAccessConstants.PARAM_AMS_CONSIGNOR_NAME + " and inventory.amsConsignorOrgCd = :" + DataAccessConstants.PARAM_AMS_CONSIGNOR_ORG_CD + " and inventory.amsConsignorTypeName = :" + DataAccessConstants.PARAM_AMS_CONSIGNOR_TYPE + " and inventory.status.code in (:" + DataAccessConstants.PARAM_STATUS + ")"; but it is seeing the following: update ATL_INVENTORY, set CONSIGNOR_ID=?, LAST_UPDATE_USER_ID=? where AMS_CONSIGNOR_NAME=? and AMS_CONSIGNOR_ORG_CD=? and AMS_CONSIGNOR_TYPE_NAME=? and (CODE in (? , ? , ? , ?)) Any ideal as to why there is a comma after the table name?

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• Print column A only if any of B, C, D, E & G contains Failed using Linux shell

  - by user3626342

  A B C ............ till G sucnpde067.advancemags.com- Successful Full FS_UNIX_801_Fri_C Full_Backup 0B Failed Full FS_UNIX_801_Fri_B Full_Backup 0B ............ till G sucnpde066.advancemags.com- Successful Full FS_UNIX_801_Fri_C Full_Backup 0B Successful Full FS_UNIX_801_Fri_C Full_Backup 0B ............ till G slnssde052.advancemags.com- Failed Full FS_UNIX_801_Fri_B Full_Backup 0B Successful Full FS_UNIX_801_Fri_C Full_Backup 0B ........... till G slnssde048.advancemags.com- Failed Full FS_UNIX_801_Fri_B Full_Backup 0B Failed Full FS_UNIX_801_Fri_B Full_Backup 0B ............ till G Print column A only if any of B, C, D, E & G contains Failed using Linux shell Note -Coulmns are tab/comma seperated

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• Python: What does _("str") do?

  - by Rosarch

  I see this in the Django source code: description = _("Comma-separated integers") description = _("Date (without time)") What does it do? I try it in Python 3.1.3 and it fails: >>> foo = _("bar") Traceback (most recent call last): File "<pyshell#0>", line 1, in <module> foo = _("bar") NameError: name '_' is not defined No luck in 2.4.4 either: >>> foo = _("bar") Traceback (most recent call last): File "<pyshell#1>", line 1, in -toplevel- foo = _("bar") NameError: name '_' is not defined What's going on here?

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• JQuery Facebook like Tag feature

  - by Tech

  Hi, Does anyone know of a very basic tag JQuery script? (Facebook like tag feature) All I want to do is when I type @ in a text box for it to search an AJAX search, it then brings back a display name i.e. "Bob Johnson" and an associated Id and stores the Id in a comma delimited list. So an example would be the following .... [TextArea] [Name 1] [Name 2] [Name 3] The thing is it also needs to remove this entry (Id) once the tag gets removed, also it needs to load into a DIV which has a scrollbar so that the list doesn't get to big. If anyone know's how/if this is possible that would be great. Thanks.

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• PHP, how can I produce a string, a unique list of values up to three items, for use after IN in a query?

  - by Jules

  I need to produce a string for use in an query e.g. SELECT whatever from Keywords.word IN (here); At the moment I have string which could be $search = "one word or four"; or $search = "one"; or $search = "one one"; I need to validate this into some acceptable for my query. I want a unique list of words, separated with a comma up to a maximum of three. This is what I have so far. $array = explode(" ",$search); $unique = array_unique ($array); I'm sure there must be a quicker way than evaluating each of the items for blank and selecting the first three.

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• DataTable from TextFile?

  - by Craig

  I have taken over an application written by another developer, which reads data from a database, and exports it. The developer used DataTables and DataAdaptors. So, _dataAdapter = new SqlDataAdapter("Select * From C....", myConnection); and then ExtractedData = new DataTable("CreditCards"); _dataAdapter.Fill(ExtractedData); ExtractedData is then passed around to do different functions. I have now been told that I need to, in addition to this, get the same format of data from some comma separated text files. The application does the same processing - it's just getting the data from two sources. So, I am wondering if I can get the data read into a DataTable, as above, and then ADD more records from a CSV file. Is this possible?

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