PHP: trying to create a new line with "\n"
- by user248959
Hi,
i'm writing this:
echo "foo";
echo "\n";
echo "bar";
and "bar" is not written in the line below.
What am i doing wrong?
Javi
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Determining if an item is a string or a list in Erlang
- by Zubair
I am writing a program that can have either a list or a string as an argument. How can I tell the difference between a string and a list programmatically in Erlang. Something like: print(List) -> list; print(String) -> string.Read the article
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Please suggest what is wrong with this string reversal fucntion(C++)?
- by AKS
This code is compiling clean. But when I run this, it gives exception "Access violation writing location" at line 9. void reverse(char *word) { int len = strlen(word); len = len-1; char * temp= word; int i =0; while (len >=0) { word[i] = temp[len-1]; //line9 ++i;--len; } word[i] = '\0'; }Read the article
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Connecting C++ to C#
- by Cenoc
I've been writing a program in C++ and noticed there is a library in C# that someone else wrote that I would like to link in to my code.... but I'm not sure how to do that. Can someone suggest something? Doubt this matters, but I'm using Windows 7 with MSVC2010. Thanks in advance!Read the article
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dictionary/map/key-value pairs data structure in C
- by morgancodes
How does one construct and access a set of key-value pairs in C? To use a silly simple example, let's say I want to create a table which translates between an integer and its square root. If I were writing javascript, I could just do this: var squareRoots = { 4: 2, 9: 3, 16: 4, 25: 5 } and then access them like: var squareRootOf25 = squareRoots[5] What's the prettiest way to do this in C? What if I want to use one type of enum as the key and another type of enum as the value?Read the article
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how to obtain the facebook uid of a user in php
- by Eric
Hey, I'm writing a canvas app for facebook. I use the command: $user_id = $facebook-require_login(); To get the userid, but at the first few pages of my app I don't want to require login, but if the user's logged in, I'd like to know what the userid is. Basically I need a "get_login()" command that perhaps returns 0 or null if the user is not logged in. Is there anything like that?Read the article
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if `int != 1` or `int == 0`?
- by Emil
Hey. I was coding here the other day, writing a couple of if statements with ints that are always either zero or one (~bools), and I asked myself: Should I use if (int == 1) or if (int != 0) ? Is there any difference at all? Please, don't answer with stuff regarding the int may being more/less than 1/0, that's not what I want to know.Read the article
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What is the command-line input to produce the javadoc?
- by Bernard
After writing all the comments inside the code about the javadoc such as /** * This method compares the student's answer to the standard answer * @param ans The student's answer * @return True for correct answer; False for incorrect answer */ boolean compareAnswer(int ans); I guess it starts with : javadoc [optionss] [packages|files] I'm not sure what is the regular or default [option] and how can I say to produce it in my current home directory?Read the article
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How to detemine which network interface (ip address) will be used to send a packet to a specific ip
- by rusbi
I'm writing a SIP stack, and I need to insert an ip address in the message. This address needs to be the one used for sending the message. I know the destination IP and need to determine the NIC (its address) that will be used to send the message....Read the article
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[VS2008] - Run Add-in from PrebuildEvent
- by JBL
I'm writing an VS 2008 add-in to synchronize Setup project Version with startup project assembly version. It works fine. But I was wondering if it was possible to call add-in from the Prebuild Event of my setup project. It works fine by command line window, but I didn't find any syntax to make it work in prebuildEvent. Is Someone has an idea ? ThanksRead the article
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What to do with umlauts (äöü) in metatags?
- by asddsa
Declaring them as &xuml; etc. didn't work, just writing them as they are leads to display errors. What to do?Read the article
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Limits of GUIs in C#
- by xarzu
What are the limits of writing a C# app when you want a truly impressive GUI? At what point does one have to leave Visual C# behind and go into WPF? Also, if I choose to go with WPF, do I have to ditch the Visual Studio IDE and go with Expression Studio?Read the article
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haskell check for user input errors
- by snorlaks
Hello. Im writing app in haskell and I would like to know that is the best way to check if users input is ok for example is it int when Im asking for int or if its date when asking for well formed date ? Thanks for helpRead the article
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how can I copy a string displayed in a UITableViewCell into another NSString?
- by dBloc
Hey I am writing a program, and one part of my program has a UItableView in which I set cell contents manually by using the following... cell.textLabel.text = @"CELL CONTENTS HERE!"; How can I copy a string displayed in a particular TableView Cell into another NSString?Read the article
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Is there a way to find out the user that submitted a SQL query?
- by ProgrammingPope
I am interested in writing a trigger that would ignore queries from a specific SQL user but take action on all others. Is there any way to do this?Read the article
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What do you do to write better code?
- by streetparade
What do you do to write better code? Concentrate more? Read more books? My method is reading, asking. What is your method of writing better code?Read the article
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remove repeated vaules _stack&array
- by Fatimah
I want to write a program to implement an array-based stack, which accept integer numbers entered by the user.the program will then identify any occurrences of a given value from user and remove the repeated values from the stack,(using Java programming language). I just need your help of writing (removing values method) e.g. input:6 2 3 4 3 8 output:6 2 4 8Read the article
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How to set selected a file in File browser in linux using terminal?
- by EEE
How can I open a file browser and set selected a specified file in linux by using command line? In windows I am able to do it by writing: explorer /select, c:\path\to\fileRead the article
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disabled an input type text with javascript
- by kawtousse
Hi, I want to disable writing in an input type text using javascript the input type text is populated from database that is why i don't want that user modify its value. Thinks for helpRead the article
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sonar code coverage issue
- by user1490244
Hi I am running sonar for my impl class, i have written junit for all the methods of impl class but when i ran the sonar the code coverage is just 11% and all the file is in red color. stating that the code is not covered. I really dont understand inspite of writing all the test methods for all the impl methods why is it showing such a less percentage. Any help or tips or guidelines will be greatly appreciated. ThanksRead the article
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Processing Zip files in Ruby
- by djsnowsill
Is anybody aware of a open source Ruby library that allows the user to process zip file entries in memory? i.e. without writing them to diskRead the article
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WP Function to retrieve database connection
- by HollerTrain
Is there a function or command that pulls the db connection info from the WP blog? I am writing a Plugin which would have to connect to the db to retrieve the info, wondering if there was one single command/function i could call which could connect. this would make the plugin portable and would work on any WP blog. is this possible?Read the article
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Can I upload an object in memory to FTP using Python?
- by fsckin
Here's what I'm doing now: mysock = urllib.urlopen('http://localhost/image.jpg') fileToSave = mysock.read() oFile = open(r"C:\image.jpg",'wb') oFile.write(fileToSave) oFile.close f=file('image.jpg','rb') ftp.storbinary('STOR '+os.path.basename('image.jpg'),f) os.remove('image.jpg') Writing files to disk and then imediately deleting them seems like extra work on the system that should be avoided. Can I upload an object in memory to FTP using Python?Read the article
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Is objective C 2.0 a proper superset of C?
- by RankWeis
I've heard that objective-C is a proper superset of C, but is objective-C 2.0? The reason I ask is that either it isn't, or I misunderstand the phrase 'proper superset', because this code is valid C syntax: import int main () { char *nil = "hello"; printf("%s\n",nil); } But does not compile in Objective-C 2.0. Obviously, this is an easily fixable problem, but I'm writing a paper, and feel that this is something that should be pointed out.Read the article
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p=malloc()!=null.......
- by gcc
char *p,*p1,*p2,*p3,*p4; for(;;) { if((p=malloc(10))!=NULL && (p1=malloc(20))!=NULL ......) break; } Writing if(........) is too boring and long, are there any ways to make it simpler?Read the article
