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Search found 42745 results on 1710 pages for 'what is the difference between string and string in c'.

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  • Validating an integer or String without try-catch

    - by Phil
    Ok, I'm lost. I am required to figure out how to validate an integer and String, but for some stupid reason, I can't use the Try-Catch method. I know this is the easiest way and so all the solutions on the internet are using it. I'm writing in Java. The deal is this, I need someone to put in an numerical ID and String name. If either one of the two inputs are invalid I must tell them they made a mistake. Can someone help me?

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  • taskkill - end tasks with window titles ending with a specific string

    - by DBZ_A
    I need to write a batch program to end all MS office communicator tasks with window titles (usually ending with pattern "- Conversation" . I tried taskkill /FI "WINDOWTITLE eq *Conversation" /IM communicator.exe but the wildcard pattern starting with a '*' does not seem to work. Gives the folowing error ERROR: The search filter cannot be recognized. any suggestions for a workaround would be greatly appreciated!

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  • iphone sqlite3_column_text issue

    - by Ruchir Shah
    I have a column in sqlite3 table. Column has values like 1 ½” 1 ¾” 2 ½” etc. Column has VARCHAR datatype. I am using this code. pref_HoseDiameter = [NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 2)]; Now, when I am fetching these values from database, I am getting pref_HoseDiameter string values like this: 1 1/2" 1 3/4" 2 1/2" How to fetch those values as they are in database or how to convert them that look like database values. Help would be appreciated. Thanks in advance.

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  • jqplot format tooltip values

    - by Jeroen
    I want to have a tooltip hover highlight thingy in jqplot. The problem is that I want it to give more detail then on the axes. So the formatter should be different. I can't get it to display the seconds to: There's a JS fidle here! I want the timestamp to display as hours:minutes:seconds, which would be format string '%H:%M:%S' or '%T' or '%X'. But how do I do that? highlighter: { show: true, sizeAdjust: 3, //useAxesFormatters: false, //tooltipFormatString: '%H:%M:%S', formatString: '<table class="jqplot-highlighter"><tr><td>tijd:</td><td>%s</td></tr><tr><td>snelheid:</td><td>%s</td></tr></table>', },

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  • Difference between two commands of fetching Shopping Cart Items in Magento

    - by Knowledge Craving
    In Magento, if you need to get / fetch the Shopping Cart's Item details, you can do it in any of the two possible ways, which will provide you with all the shopped Items in an array:- $cartItems1 = $cart->getQuote()->getAllItems(); $cartItems2 = $cart->getItems()->getData(); But before using any one of the above two methods, you need to initialize the shopping cart object as:- $cart = new Mage_Checkout_Model_Cart(); $cart->init(); Can anyone please describe in details as to what the two options provide & their differences between each other, along with their possible usage. In any more such option is available in Magento, can anyone please highlight it?

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  • Remove a certain value from string which keeps on changing

    - by user2971375
    I m trying to make a utility to generate a Insert script of sql tables along with relational table. I got all the values in c#. Now I want to remove the one column name and its value from the script.most probably the identity column. Eg. The string I have (which keeps on changing with table name and varies) INSERT Core.Customers ([customerId],[customername],[customeradress],[ordernumber]) Values(123,N'Rahul',N'244 LIZ MORN',2334) NOW I know I have to remove CustomerId. (sometimes need to be replaces with @somevariable) Please give me an efficient way how to retrieve customerId value and Deleting column name and value . Conditions: insert script length and columns names keep changing. Method should return the deleted value. At some point of time customer id can be same as order id. In that case my string.remove method fails.

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  • ruby c extensions: character values over 127

    - by Adrian
    I am trying to make a C extension for Ruby that includes a method returning a string, which will sometimes have character values that need to be in an unsigned char. In http://github.com/shyouhei/ruby/blob/trunk/README.EXT, all of the functions listed for turning C strings into Ruby strings take signed chars. So I couldn't do this: unsigned char bytes[] = {0xf0, 0xf1, 0xf2}; return rb_str_new(bytes, 3); How could I make a method that returns these types of strings? In other words, how would I make a C extension with a method returning "\xff"?

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  • ToolStripComboBox + objects default string value

    - by Martin
    I am using a ToolStripComboBox to list some data. I am populating this combo with some custom objects: For Each obj As myObject In myObjectList myToolStripComboBox.Items.Add(obj) Next This works great except the text displayed in the combo is the name of the object class. I can understand why and realise that I need to do something to make the combo use a property from my class instead. The help files state: To add objects to the list at run time, assign an array of object references with the AddRange method. The list then displays the default string value for each object. You can add individual objects with the Add method. The bit in bold suggests I need to setup the default string value in my class. How would I go about doing this?

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  • BuiltIn Function to Convert from Hex String to Byte

    - by Ngu Soon Hui
    This question is similar to the one here. One can easily convert from hex string to byte via the following formula: public static byte[] HexStringToBytes(string hex) { byte[] data = new byte[hex.Length /2]; int j = 0; for (int i = 0; i < hex.Length; i+=2) { data[ j ] = Convert.ToByte(hex.Substring(i, 2), 16); ++j; } return data; } But is there a built-in function ( inside .net framework) for this?

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  • Difference of two 'uint'

    - by vanslly
    When you attempt to declare an unsigned variable in C#.NET with a value outside its value range it is flagged as a compiler error, but if you produce a negative value at runtime and assign it to that variable at runtime the value wraps. uint z = -1; // Will not compile uint a = 5; uint b = 6; uint c = a - b; // Will result in uint.MaxValue Is there a good reason why unsigned variables wrap in such a situation instead of throwing an exception? Thanks.

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  • RegEx to match a pattern and exclude a part of the string

    - by rojanu
    Hi, I have got some strings to be matched via RegEx. We have a java application which reads the regex from a config file and takes two groups of strings, number of which are specified in the same config. E.g. CustomAction.523274ca945f.dialogLabel=Executing Custom Code... will be matched with (?m)^(?!#)\s*(\S*)\s*=\s*(\S*.*) What I need is to pick the first group "CustomAction.523274ca945f.dialogLabel" and exclude the random string in the middle so I end up with something like "CustomAction.dialogLabel" or "CustomAction..dialogLabel" well any other combination but the random string. Thanks

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  • Difference between these two namespaces in javascript

    - by Lol coder
    First off, all I'm trying to do is to structure my javascript code properly. I've been told I must not have anything global. So I took the 2 types of namespaces declaration from this answer and now asking you guys for the pros and cons of each. var namespace1 = new function () { var internalFunction = function () { }; this.publicFunction = function () { }; }; var namespace2 = { publicFunction: function () { } }; Also, how do i have a private function in the last one namespace2?

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  • One hour difference in Python

    - by Joel
    Hello, I have a datetime.datetime property var. I would like to know if it is less than one hour of the current time. Something like var.hour<datetime.datetime.today().hour - 1 Problem with the above syntax is that datetime.datetime.today().hour returns a number such as "10" and it is not really a date comparation but more of a numbers comparation. What is the correct syntax? Thanks! Joel

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  • Shell script for replacing string in all PHP-files, for each user

    - by Mads Skjern
    Each user has some php-files using a shared database commondb. I want to iterate over all users (in users.csv), and in their home folder (e.g. /home/joe) find all php files recursively, and replace each occurrence of "commondb" with their own databasename, e.g. "joedb" for "joe". I have tried the following: #!/bin/bash # Execute like this: # bash localize.bash users.csv OLDIFS=$IFS IFS="," while read name dummy do echo $name find /home/${name} -name '*.php' -exec sed -i '' 's/commondb/${name}db/g' "{}" \; done < $1 IFS=$OLDIFS for users.csv joe, Joe J george, George G It does not fail, but the files are unchanged. I am quite weak in bash, and I can't figure out how to debug it :/ Can my script be fixed to work?

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