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• Does PHP have a data type bigger than int?

  - by Jack

  I want to save a 11 digit number inside a variable. How can I do this in PHP?

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• Exclude some ids from result in Rails ActiveRecord

  - by Beer Brother

  I have following statement for query articles from some sections Article.all(:joins => :sections, :conditions => { :sections =>{ :id => [3, 4, 6, 7, 8, 9] }, :id_not_in => @some_ids }, :limit => 4) Variable @some_ids is array with ids of articles wich must be excluded from result.

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• Using 'this': where is good and where is not [closed]

  - by abatishchev

  I like to use 'this' statement for all non-local variables: for properties, for class variables, etc. I do this for code easy reading, easy understanding where from this variable has got. object someVar; object SomeProperty { get; set } void SomeMethod(object arg1, object arg2) { this.SomeProperty = arg1; this.someVar = arg2; } How do you think, what is proper way to use 'this'?

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• How to navigate around a '[' in JSON.

  - by Kyle

  I'm new to JSON and moving around in it in jQuery. I'm fine until I hit a '[', as in: "gd$when": [{ "startTime": "2006-11-15", "endTime": "2006-11-17", "gd$reminder": [{"minutes": "10"}] }], I tried to do a eventTime = event["gd$when"]["startTime"]; to get to the 'startTime' (Yes, event is the variable for ajax stuff, it's all working fine until I hit the '[') Thanks for any help.

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• How to check the existence of a row in SQLite with Python?

  - by fx

  I have the cursor with the query statement as follows: cursor.execute("select rowid from components where name = ?", (name,)) I want to check for the existence of the components: name and return to a python variable. How do I do that?

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• Thread-safe get (accessor method)

  - by sonofdelphi

  I'm currently using the following code for thread-safe access of a variable. int gnVariable; void getVariableValue(int *pnValue) { acquireLock(); //Acquires the protection mechanism *pnValue = gnVariable; releaseLock(); //Releasing the protection mechanism } I would like to change my API signature to a more user-friendly int getVariableValue(void); How should I rewrite the function - such that the users of the API don't have to bother about the locking/unlocking details?

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• stl string return by const reference vs. const char*

  - by user342673

  i have a STL string member variable in my class, class A { public: const char* getData1() const { return data.c_str()); const string& getData2() const { return _data; } private: string _data; }; getData1() vs. getData2(), which one is better?

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• getchar() and putchar()

  - by gautam kumar

  is getchar() equivalent to scanf("%c",&a); is putchar(c) equivalent to printf("%c",a); where a is a char variable

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• Is it safe to read global data from multiple threads?

  - by user362515

  The scenario is as follows: Create an instance of a class (std::map) and sore it as global variable. Spawn threads. Threads read and use the same global instance of the class All spawned threads quit Global class instance is destroyed No mutex, no thread modifies the global class instance. Is this OK? Thank You

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• Strange ruby syntax

  - by AntonAL

  Hi, what the syntax is in Action Mailer Basics rails guide ? class UserMailer < ActionMailer::Base def welcome_email(user) recipients user.email from "My Awesome Site Notifications <[email protected]>" subject "Welcome to My Awesome Site" sent_on Time.now body {:user => user, :url => "http://example.com/login"} end end How should i understand the construction, like from "Some text for this field" Is it an assignment the value to a variable, called "from" ?

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• access parametrically values of variables inside environments

  - by Apostolos

  Let's say we have one or more environments and variables in them. My question is how we access the values of these variables, parametrically. rm(list = ls()) env1 <- new.env() env1$var1 <- "value1" env2 <- new.env() env2$var2 <- "value2" env <- ls.str(mode="environment") # We get the environments var <- ls.str(eval(parse(text = env[1])))# We get the variables of an environment eval(var[1]) # We fail to get the value of a variable Thank you all, in advance

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• Can a trait state if a C++ class has a default constructor?

  - by Vicente Botet Escriba

  Traits classes can be defined to check if a C++ class has a member variable, function or a type (see here). Curiously, the ConceptTraits do not include traits to check if a C++ class defines a default constructor or given constructor? Can traits be used to check the constructor presence? If yes, how? If not, why it is not possible?

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• piping to variables

  - by lego69

  cut -d" " -f2 ${2} | $callsTo hello, can somebody please explain can I pipe the result of cut to variable callsTo, and how will it be stored, as the string or list?

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• Fetch html page content into a var

  - by Cipher

  Just a small question here, that how do we get fetch the html content via ajax into a variable that I could use later. Right now, I have a button on the click of which, I fetch another html page simply through load method as follows: $('#container').load('http://127.0.0.1/someUrl') I want to get the content into a var instead that I could at a later time use to append to the dom $('#someContainer').append(someVar)

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• How do I create a multiline textbox that adjusts the height automatically when the window is resized

  - by tmim

  I have an xul file with a multiline textbox. When I resize the window, its width changes but its height is constant. How do I make its height variable?

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• How to check the existence of a row in SQLite?

  - by fx

  I have the cursor with the query statement as follows: cursor.execute("select rowid from components where name = ?", (name,)) I want to check for the existence of the components: name and return to a python variable. How do I do that?

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• Is it possible to use 'variables' for css / html element ?

  - by stighy

  Hi, i would like to make 'skinnable' a web site written in asp.net... I explain: for example, i have a 'div' element, and i would like to define a background-color using a variable, not a fixed value. How can i do ? Css ? Or other tecniques ? Thanks

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• I want the actual file name that is returned by a PHP script

  - by Aymon Fournier

  I am writing a python script that downloads a file given by a URL. Unfortuneatly the URL is in the form of a PHP script i.e. www.website.com/generatefilename.php?file=5233 If you visit the link in a browser, you are prompted to download the actual file and extension. I need to send this link to the downloader, but I can't send the downloader the PHP link. How would I get the full file name in a usable variable?

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• Javascript Function Definitions

  - by Pierreten

  I was wondering why the Vector variable defined within this self executing javascript function doesn't require a var before it? Is this just some other type of syntax for creating a named function? Does this make it so we can't pass Vector as an argument to other functions? (function() { Vector = function(x, y) { this.x = x; this.y = y; return this; }; //...snip })()

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• Can I tag in svn with nant?

  - by David Belanger

  Hi, I'm needing to build multiple environments and tag them in subversion using a nant script. Is there a way that I can use nant to create the tags in svn with a variable I supply? Thanks.

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• Display different iphone views depending on logged in status

  - by user330936

  I want to display a login view to my users if they are not logged in and the main view if they are. In my header file I define a variable to hold the logged in status #define loggedIn 0 I figure I should then reference this in the initWithNibName method and then decide which nib to load. Is the right way of doing it? If so can someone help me out with the exact code? Thanks for any help

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• C++ function dynamic data type definition

  - by user330352

  Hi all, in C++, when you define a function which takes one argument, you have to define the data type of that variable: void makeProccess(int request) However, I want to implement a function which takes different data types rather taking statically defined integer type. void makeProccess(anyType request) How can I design a proccess like this, any idea? Thanks.

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• Why do I need the isset() function in php?

  - by Chris

  I am trying to understand the difference between this: if (isset($_POST['Submit'])) { //do something } and if ($_POST['Submit']) { //do something } It seems to me that if the $_POST['Submit'] variable is true, then it is set. Why would I need the isset() function in this case?

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• adding a click event to fullcalendar

  - by sbekele

  How can I add a click event on the event and pass the day and event time as url variable to another page. Like when user click in the event I want to pass the date and event time to another page for processing. Any idea are welcome. Thanks

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• What is the equivalent of Java's final in C#?

  - by Nosrama

  What is the equivalent of Java's final in C#? EDIT: Sorry, I should have been clearer. I meant what is the equivalent when applied to a member variable - so it must be assigned once and only once.

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