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• Javascript syntax with () - function scope

  - by Fabien

  I am not very familiar with the Javascript syntax bellow. Can anyone shade light about the sense of this block? For what purpose? (function foo() { alert('bar'); })(); Thanks in advance.

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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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• Is it possible to use a string variable to reference an element in Javascript?

  - by somerandomguy

  Here's the quick version of the code as it stands right now: function foo(attributeName, someJSObj, key, newValue) { someJSObj[key].attributeName = newValue; } Obviously this doesn't work, since it just creates a new element called attributeName. Is there an easy way to dereference the attributeName into the string that represents some existing attribute on someJSObj?

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• Regex to find A and not B on a line

  - by Zach

  I'm looking for a regex to search my python program to find all lines where foo, but not bar, is passed into a method as a keyword argument. I'm playing around with lookahead and lookbehind assertions, but not having much luck. Any help? Thanks

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• How to get the response of XMLHttpRequest?

  - by Rohan

  I'd like to know how to use XMLHttpRequest to load the content of a remote URL and have the HTML of the accessed site stored in a JS variable. Say, if I wanted to load and alert() the HTML of http://foo.com/bar.php, how would I do that?

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• Storing a type in C++

  - by perimosocordiae

  Is it possible to store a type name as a C++ variable? For example, like this: type my_type = int; // or string, or Foo, or any other type void* data = ...; my_type* a = (my_type*) data; I know that 99.9% of the time there's a better way to do what you want without resorting to casting void pointers, but I'm curious if C++ allows this sort of thing.

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• limit PHP script to one domain per license

  - by Mac Os

  what is the best way to make my php code working on one domain and sure i will encode the whole code by ioncube i want function like function domain(){ } if($this_domain <> domain()){ exit('no'); } or $allowed_hosts = array('foo.example.com', 'bar.example.com'); if (!isset($_SERVER['HTTP_HOST']) || !in_array($_SERVER['HTTP_HOST'], $allowed_hosts)) { header($_SERVER['SERVER_PROTOCOL'].' 400 Bad Request'); exit; } now i want know the best way to do that may be will user strpos

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• Is it possible to capture data from a WHERE clause?

  - by Kristopher Ives

  I have a scenario where I'm calculating something in the WHERE clause of my SQL, but I also want to get that calculation - since it's expensive. Is it possible to get the results of something done in the WHERE clause, like this: SELECT `foo` FROM `table` WHERE (foo = LongCalculation()) Wishful thinking, or possible with MySQL?

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• do you call them functions, procedures or methods?

  - by lowlyintern

  consider a standard c# 'function' public void foo() { //some code } In c or c++ this is called a 'function' - even if taking no parameters and returning no value. In another language maybe it would be a 'procedure'. In object orientation speak it would be called a 'method' if a class member. What would be the correct term to use in c#?

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• Is there a neater way to get the first occurrence of something?

  - by Phil H

  I have a list which contains a number of things: lista = ['a', 'b', 'foo', 'c', 'd', 'e', 'bar'] I'd like to get the first item in the list that fulfils a predicate, say len(item) > 2. Is there a neater way to do it than itertools' dropwhile and next? first = next(itertools.dropwhile(lambda x: len(x) <= 2, lista)) I did use [item for item in lista if len(item)>2][0] at first, but that requires python to generate the entire list first.

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• Perl, sub with two lists as arguments

  - by Mike

  Is it possible to pass two lists to a sub in Perl , ex sub Foo { my(@list1,@list2) = @_; } I know I could make @_ two lists, with each sublist being the desired argument, I'm just wondering if there is a cleaner way

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• easy c question: compare first char of a char array

  - by nunos

  How can I compare the first letter of the first element of a *char[]? I have done if (foo[0][0] == 'c') but that gives a segmentation fault

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• ListView: Display data divided into groups?

  - by jawonlee

  I would like to display the contents of a DataTable, divided into several groups depending on the value of one of the columns. So, if I have a DataTable (from SQL query) with: GroupID Name Description 1 foo bar 1 one two 2 some thing I would like to place all records containing GroupID 1 in one div, all records with GroupID 2 in another div, and so on. How can I do this? I'm writing in ASP.NET 4.0, with C# codebehind.

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• Start Line with (New... in VB.net

  - by pedro_cesar

  Hello; Why can't I start a line using a parenthesis followed by the keyword new?? For example: (New <custom_obj>).foo(var) In that case is obvious that I'm trying to avoid creating a named instance of the the <custom_obj> because I know that I'll only be using it at that sentence. Note that actually creating a named instance is not a problem for me... I just wanna know the reason why this is not possible.

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• How to find size of individual columns and indexes in mysql/innodb database?

  - by taw

  SHOW TABLE STATUS LIKE 'foo' returns Data_length - size of all data, and Index_length - size of all indexes. What's the best way to get per-column and per-index breakdown?

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• Is there a "method_missing" for rake tasks?

  - by James Wenton

  If my Rakefile does not find a task with a particular name, I'd like rake to instead create a new task by that name according to certain rules, if a file with the missing task name exists. But if it doesn't, I want to fall back to the default ("Don't know how to build task 'foo'!"). In short, is there a method_missing for Rake?

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• binlog_format = STATEMENT and CURRENT_TIMESTAMP with MySQL replication

  - by xma

  Hi, can a MySQL slave instance have different row values for the same ID when binlog_format is set to STATEMENT and we insert something like: insert into foo values(CURRENT_TIMESTAMP) As I understand it, the slave read the SQL statement and execute it thus, if the replication is lagging, could lead to differences for the same row. Right or wrong ? How can I avoid this situation ? Thank you.

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• Regex issue in rewriter config

  - by sgbinks

  I'm having an issue with bad requests from certain search parameters. An example URL: http://www.foo.com/washington/forums/search/%26 Results in a bad request. The rewriter config line looks like this: <rewrite url="^(.*)/forums/search/(.*)" to="~/Pages/Forums/Overview.aspx?Address=$1&amp;q=$2" processing="stop" /> I'm thinking it's an issue with the Regex...? Thanks in advance!

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• C++: Syntax error C2061: Unexpected identifier

  - by Rosarch

  What's wrong with this line of code? bar foo(vector<odp> ftw); It produces error C2061: syntax error: identifier 'vector'

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• Url rewriting : prevent to display xml

  - by Frank

  Edit : I've got an aspx file (default.aspx) that loads a flash file (index.swf), but this swf needs a xml file (foo.xml) to load correctly. However, I would like to block any request aiming directly at the xml file. Is it possible, using a rewritting engine (isapi_rewrite for example) to detect if the xml file is being 'hotlinked' or being loaded by the 'index.swf'(inside default.aspx)? Any ideas? Thank you.

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• JQuery: How do I use the JQuery delay with my own function?

  - by Timj

  How do I use the JQuery delay in conjunction with my own defined function, pseudo-code like so?: $('#foo').slideUp(300).delay(800).myOwnFunction(1,2,3); function myOwnFunction (a,b,c) {...} The code above doesn't work, however - per the JQuery documentation it appears like it should.

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• How to iterate over function arguments

  - by Jack

  I have a Python function accepting several string arguments def foo(a, b, c): and concatenating them in a string. I want to iterate over all function arguments to check they are not None. How it can be done? Is there a quick way to convert None to ""? Thanks.

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• Thread safety with heap-allocated memory

  - by incrediman

  I was reading this: http://en.wikipedia.org/wiki/Thread_safety Is the following function thread-safe? void foo(int y){ int * x = new int[50]; /*...do some stuff with the allocated memory...*/ delete x; } In the article it says that to be thread-safe you can only use variables from the stack. Really? Why? Wouldn't subsequent calls of the above function allocate memory elsewhere?

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• rb plugin the hot key not working

  - by Bunny Rabbit

  def activate(self,shell): self.shell = shell self.action = gtk.Action ('foo','bar','baz',None) self.activate_id = self.action.connect ('activate', self.call_bk_fn,self.shell) self.action_group = gtk.ActionGroup ('hot_key_action_group') self.action_group.add_action_with_accel (self.action, "<control>E") uim = shell.get_ui_manager () uim.insert_action_group (self.action_group, 0) uim.ensure_update () def call_bk_fn(self,shell): print('hello world') i am using the above code in a plugin for rhythmbox ,and here i am trying to register the key ctr+e so that the call_bk_fn gets called whenever the key combination is pressed , but its not working why is that so ?

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• Using sed and/or awk, how can do a sed swap on all text in a file until I see a line matching a reg

  - by Ross Rogers

  How can I do a sed regex swap on all text that preceed a line matching a regex. e.g. How can I do a swap like this s/foo/bar/g for all text that precedes the first point this regex matches: m/baz/ I don't want to use positive/negative look ahead/behind in my sed regex, because those are really expensive operations on big files.

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