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• Function overloading in C

  - by Andrei Ciobanu

  Today, looking at the man page for open(), I've noticed this function is 'overloaded': int open(const char *pathname, int flags); int open(const char *pathname, int flags, mode_t mode); I didn't thought it's possible on C. What's the 'trick' for achieving this ?

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• php validation function for name that allow UTF-8 characters plus - (minus) and space

  - by REALSOFO

  Hello everybody, Please help me with a function that validate an input string to allow: 1) UTF-8 characters (ex: staîâ) ; 2) space ; 3) minus symbol(-) String cannot start or end with space or minus. Thanks!

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• Warning: implode() [function.implode]: on Wordpress page

  - by aWarner

  I just moved a wordpress site from one server to another, and I keep getting this error. Warning: implode() [function.implode]: Invalid arguments passed in /home/finer/public_html/wp-content/themes/barely-corporate/template_portfolio.php on line 41 I have been on the Wordpress support site but couldn't find a solution. Can someone please HELP!? Here is the link to the page where the error keeps coming up: http://finerthingsforher.com/?page_id=14

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• system() function in PHP prints variable 2 times.

  - by maxorq

  Stupid question, this code: <?php $variable = system("cat /home/maxor/test.txt"); echo $variable; ?> with file test.txt: blah prints: blah blah What can I do with system() function to not print nothing so I get 1 "blah"???

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• need a button that calls a php function

  - by creocare

  I need to have a button that calls a php function to resort displayed data from the db. How the heck do I do this? I just found out that because php is server side this sucks. So any help please?

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• Difference between "+" and "-" before function name in iPhone

  - by user280556

  Hello Everyone, What is the difference between "+" and "-" before the function name interface declaration in an iPhone program. Example: - (void)continueSpeaking; + (NSArray *)availableVoices; What's the difference?

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• Nested function in C

  - by Sachin Chourasiya

  Can we have a nested function in C? What is the use of nested functions? If they exist in C does there implementation differes from compiler to compiler. Are nested functions allowed in any other language? If yes then what is there significance?

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• MySQL function to compare values in a db table against the previous

  - by Stuart

  Iam quite new to functions in SQL and I would like to create a function to compare values in a MySQL table against previous and I am not sure how to do this. For example (iId is the input value) DECLARE pVal INT(20); DECLARE val INT(20); SELECT price INTO pVal FROM products WHERE Id=iId; SELECT price FROM products; IF price == pVal THEN SET val = price; END IF; Thanks

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• C++ choose function by return type.

  - by anon

  I realize standard C++ only picks functions by argument type, not return type. I.e I can do something like: void func(int); void func(double); but not double func(); int func(); Where in the former, it's clear, in the latter, it's ambigious. Are there any extensions that lets me tell C++ to pick which function to use also by return type? Thanks!

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• to call a javascript function periodically

  - by shinod

  I want to call function with arguement periodically. I tried setTimeout("fnName()",timeinseconds); and it is working. But when I add an arguement it won't work. eg: setTimeout("fnName('arg')",timeinseconds);

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• Good practice of using list of function in Python

  - by riskio

  I am pretty new to python and I discovered by myself that I can create a list of function and call with a for loop. example: def a(args): print "A" def b(args): print "B" def c(args): print "C " + str(args) functions = [a,b,c] for i in functions: i(1) So, my question is: is there any good practice or elegant way to use list of functions and what is a good use of all this? (do have a particular name the "list of functions"?) thank you

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• How to find function parameters

  - by AngryHacker

  I need to log all the function parameters in a dozen functions. Is there a way to pro grammatically determine all the parameters and their values (or at least their .ToString() value)? Perhaps via reflection?

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• cakephp function calling

  - by udhaya

  whats the use of calling a cakephp function http://localhost/project/controller/method.hello so whats hello? but it requires views/method/hello/method.ctp...

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• Function in c++ for finding if a word is prefix

  - by VaioIsBorn

  Let say i have some words AB, AAB, AA. AB is not a prefix to AAB but AA is a prefix to AAB because if i just add B at the end of AA it will become AAB, which is not possible with AB. So, is there any function in c++ (STL) so that i can determine of two words if one is prefix to the another ? Thanks.

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• referencing (this) in a function

  - by Sara Chipps

  I have elements being generated by dynamic html, I would like to reference the particular href that is calling the function when one of many may be calling it. <a href="javascript:Foo(this)">Link</a> Does not work when I try to reference $(this). Is there another way to do this or do I have to make dynamic ids?

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• What is wrong with this PHP function.

  - by [email protected]

  I am new to PHP and regular expression. I was going thorugh some online examples and came with this example: <?php echo preg_replace_callback('~-([a-z])~', function ($match) { return strtoupper($match[1]); }, 'hello-world'); // outputs helloWorld ?> in php.net but to my surprise it does not work and keep getting error: PHP Parse error: parse error, unexpected T_FUNCTION Why get error ?

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• a function that takes 1,2,3 and returns 3,1,2 respectively and vice verse

  - by Thunder

  Is there a function that takes 1,2,3 and returns 3,1,2 respectively and vice-verse. eg: f(1)=3 f(2)=1 f(3)=2 This is required to get the cyclic order eg 1 when gone left will be 3 , 2 will be 1 and 3 will be 2. 1 when gone right will be 2 , 2 will be 3 and 3 will be 1.

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• What is DEFAULT_CC in function declaration?

  - by humoeba

  I'm relatively new to C, and am curious what this syntax means in a function declaration: int DEFAULT_CC foo(void) where DEFAULT_CC is probably defined somewhere else as: #define DEFAULT_CC "cc" Is this a direction to use a certain compiler or something?

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• Excel: Use text and time function.

  - by BioXhazard

  I have a cell that takes the time value from another cell. I want to include an addition of this time as well as a dash '-' to format the time into a sort of schedule. Example: userinput cell: 5:00 AM Formated cell (how I would like it to look): 5:00 AM - 3:30 PM What would the function be to get something like this?

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• Struct with pointer to a function

  - by user354021

  Hello, In a C struct I have defined a function pointer as follows: typedef struct _sequence_t { const int seq[3]; typedef void (* callbackPtr)(); } sequence_t; I want to initialize a var of that type globally with: sequence_t sequences[] = { { { 0, 1, 2 }, toggleArmament }, }; And I keep getting error telling me that there are too many initializers. How to work it out?

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• keeping track of multiple runs of the same function, part 2

  - by qwertymk

  This is related to this Anyway what I need is actually something slightly different I need some way of doing this: function run(arg) { this.ran = this.ran || false; if (!this.ran) init; /* code */ this.ran = true; } This works fine, I just want to make sure that this code works even when this in case it was called with call() or apply() Check this out for what I'm talking about, All of the calls after the first one should all be true, no matter the context

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• How to set which of function inputs are required and which are not (C#)

  - by Ole Jak

  So I have a function public int Sum(var valueA, var valueB, var valueC) { var summ = valueA + valueB; return summ; } I want to add to summ valueC if it was given. And let user not specify it if he does not want to. How to do such thing?

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• Help understanding unipolar transfer function

  - by locky28

  There is a question I am stuck on using the following formula for the unipolar transfer function: f(net)= 1 __________ -net 1 + e The example has the following: out = 1 ____________ = 0.977 -3.75 1 + e How do we arrive at 0.977? What is e?

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• [jQuery] Function not working correctly when enclosed in a form

  - by Nimbuz

  jQuery: $('.btn.options').click(function() { $(this).toggleClass('options-on'); $("#options").slideToggle("fast"); }); ... works great, but when I enclosed both the buttons and the panel in tag, the panel won't slide up/down anymore? Thanks for your help!

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• Closure vs Anonymous function (difference?)

  - by Maxim Gershkovich

  Hi, I have been unable to find a definition that clearly explains the differences between a closure and an anonymous function. Most references I have seen clearly specify that they are distinct "things" yet I can't seem to get my head around why. Could someone please simplify it for me? What are the specific differences between these two language features? Which one is more appropriate in what scenarios?

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