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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
23,976 | 2 | null | 23,930 | 7 | null |
Here is a simple recursive definition:
```
(define (factorial x)
(if (= x 0) 1
(* x (factorial (- x 1)))))
```
In Scheme tail-recursive functions use constant stack space. Here is a version of factorial that is tail-recursive:
```
(define factorial
(letrec ((fact (lambda (x accum)
(if... | null | CC BY-SA 2.5 | null | 2008-08-23T04:25:31.067 | 2008-08-23T15:24:44.383 | 2008-08-23T15:24:44.383 | 658 | 658 | null |
24,023 | 2 | null | 23,950 | 6 | null | ```
class Producer implements Runnable {
private final BlockingQueue queue;
Producer(BlockingQueue q) { queue = q; }
public void run() {
try {
while (true) { queue.put(produce()); }
} catch (InterruptedException ex) { ... handle ...}
}
Object produce() { ... }
}
class Consumer impleme... | null | CC BY-SA 2.5 | null | 2008-08-23T05:39:15.197 | 2008-08-23T05:39:15.197 | null | null | 198 | null |
24,016 | 2 | null | 24,004 | 2 | null | If you are uncertain about how to best access the database you should be using tried and tested solutions like the application blocks from Microsoft - [http://msdn.microsoft.com/en-us/library/cc309504.aspx](http://msdn.microsoft.com/en-us/library/cc309504.aspx). They can also prove helpful to you by examining how that ... | null | CC BY-SA 2.5 | null | 2008-08-23T05:18:17.633 | 2008-08-23T05:18:17.633 | null | null | 202 | null |
24,039 | 2 | null | 18,265 | 2 | null | Dereks solution is probably the best, but here's an alternative anyway:
Recent Linux kernel version allow you to pipe core dumps to a script or program. You could write a script to catch the core dump, collect any extra information you need and mail everything back.
This is a global setting though, so it'd apply to a... | null | CC BY-SA 2.5 | null | 2008-08-23T06:31:11.717 | 2008-08-23T06:31:11.717 | null | null | 1,466 | null |
24,012 | 2 | null | 21,848 | 31 | null | I think you should consider a different development strategy to prevent issues like this. One that seems to work best for me is to never do development directly on my master branch. Regardless of the changes I'm making, I always create a new branch for new code:
From there, I can push out the changes to public rep... | null | CC BY-SA 2.5 | null | 2008-08-23T05:16:32.177 | 2008-08-23T05:16:32.177 | null | null | 2,063 | null |
24,027 | 2 | null | 23,994 | 0 | null | > Why the choice of NHibernate over
anything else?
It's a very powerful tool, and is (relatively) easy to learn. It takes away all the monotony and repetitiveness of manually implementing object-relational mapping.
| null | CC BY-SA 2.5 | null | 2008-08-23T05:49:34.857 | 2008-08-23T05:49:34.857 | null | null | 423 | null |
24,044 | 2 | null | 24,041 | 298 | null | - [Markup](http://en.wikipedia.org/wiki/Markup_language)- [Markdown](http://en.wikipedia.org/wiki/Markdown)[http://daringfireball.net/projects/markdown/](http://daringfireball.net/projects/markdown/)[https://en.wikipedia.org/wiki/Markdown](https://en.wikipedia.org/wiki/Markdown)
| null | CC BY-SA 4.0 | null | 2008-08-23T06:40:08.683 | 2020-07-31T23:46:56.177 | 2020-07-31T23:46:56.177 | 2,780,192 | 2,477 | null |
24,041 | 1 | 24,044 | null | 271 | 106,450 | I'm using markdown to edit this question right now. In some [wikis](http://en.wikipedia.org/wiki/Wikipedia:How_to_edit_a_page#Wiki_markup) I used wiki markup. Are they the same thing? Are they related? Please explain. If I want to implement one or the other in a web project (like stackoverflow) what do I need to use?
| Markdown vs markup - are they related? | CC BY-SA 2.5 | 0 | 2008-08-23T06:34:09.493 | 2020-07-31T23:46:56.177 | 2008-08-25T11:37:54.257 | 1,693 | 1,363 | [
"markdown",
"markup",
"glossary"
] |
24,042 | 2 | null | 24,041 | 32 | null | Markdown is a play on words because it is markup. "Markdown" is a proper noun.
Markup is just a way of providing functionality above plain text. For example: formatting, links, images, etc.
| null | CC BY-SA 2.5 | null | 2008-08-23T06:38:07.037 | 2008-08-23T06:38:07.037 | null | null | 55 | null |
24,050 | 2 | null | 23,963 | 1 | null | Today's web browsers only handle GETS + POSTS. In Rails, for example, PUTS + DELETES are "faked" through hidden form fields.
Unless your framework has some workaround to "support" PUTS + DELETES, don't worry about them for now.
| null | CC BY-SA 2.5 | null | 2008-08-23T06:51:40.870 | 2008-08-23T06:51:40.870 | null | null | 2,477 | null |
24,045 | 1 | 24,062 | null | 59 | 27,553 | I currently use AnkhSVN to integrate subversion into Visual Studio. Is there any reason I should switch to VisualSVN?
AnkhSVN is free (in more than one sense of the word) while VisualSVN costs $50. So right there unless I'm missing some great feature of VisualSVN I don't see any reason to switch.
| AnkhSVN versus VisualSVN | CC BY-SA 2.5 | 0 | 2008-08-23T06:42:01.067 | 2018-10-04T05:45:54.530 | 2012-07-19T12:41:21.503 | 761,095 | 163 | [
"visual-studio",
"svn",
"version-control",
"visualsvn",
"ankhsvn"
] |
24,053 | 2 | null | 24,046 | 3 | null | I've noticed something very similar. I think it is because Firefox and IE, when going back, are retrieving the page from the server again and Safari is not. Have you tried adding a page expiry/no cache header? I was going to look into it when I discovered the behaviour but haven't had time yet.
| null | CC BY-SA 2.5 | null | 2008-08-23T07:05:40.510 | 2008-08-23T07:05:40.510 | null | null | 1,142 | null |
24,049 | 2 | null | 24,046 | 3 | null | I have no idea what's causing the problem but I know who might be able to help you. Safari is built on [Webkit](http://webkit.org/) and short of Apple (who are not so community minded) the [Webkit team](http://webkit.org/contact.html) might know what the issue is.
It's not a stupid question at all.
| null | CC BY-SA 2.5 | null | 2008-08-23T06:50:34.947 | 2008-08-23T06:50:34.947 | null | null | 1,384,652 | null |
23,930 | 1 | 441,229 | null | 64 | 29,138 | I want to see all the different ways you can come up with, for a factorial subroutine, or program. The hope is that anyone can come here and see if they might want to learn a new language.
## Ideas:
- - - - - - - - [Polyglot](http://en.wikipedia.org/wiki/Polyglot_%28computing%29)
Basically I want to see an example, ... | Factorial Algorithms in different languages | CC BY-SA 2.5 | 0 | 2008-08-23T03:46:32.750 | 2014-09-21T15:40:13.450 | 2020-06-20T09:12:55.060 | -1 | 1,337 | [
"algorithm",
"language-agnostic"
] |
24,046 | 1 | null | null | 49 | 40,531 | I do some minor programming and web work for a local community college. Work that includes maintaining a very large and soul destroying website that consists of a hodge podge of VBScript, javascript, Dreamweaver generated cruft and a collection of add-ons that various conmen have convinced them to buy over the years.
... | The Safari Back Button Problem | CC BY-SA 2.5 | 0 | 2008-08-23T06:43:08.427 | 2021-08-27T06:45:26.987 | null | null | 2,051 | [
"javascript",
"safari"
] |
24,062 | 2 | null | 24,045 | 48 | null | I used VisualSVN until Ankh hit 2.0, and ever since, I've abandoned VisualSVN. Ankh has surpassed VisualSVN in functionality, in my mind, and all the 1.x perf and integration issues are gone.
| null | CC BY-SA 2.5 | null | 2008-08-23T07:44:29.870 | 2008-08-23T07:44:29.870 | null | null | 1,554 | null |
24,048 | 2 | null | 23,228 | 4 | null | > .NET Strings are Immutable
Therefore having an instance method makes absolutely no sense.
By that logic the string class should have no instance methods which return modified copies of the object, yet it has (Trim, ToUpper, and so on). Furthermore, lots of other objects in the framework do this too.
I agree that... | null | CC BY-SA 2.5 | null | 2008-08-23T06:44:52.760 | 2008-08-23T06:44:52.760 | null | null | 234 | null |
24,035 | 2 | null | 23,962 | 0 | null | > The problem with this code is that it will generate stack overflow error for any number greater than 15 (in most computers).
Really? What computer are you using? It's taking a long time at 44, but the stack is not overflowing. In fact, your going to get a value bigger than an integer can hold (~4 billion unsigned, ~... | null | CC BY-SA 2.5 | null | 2008-08-23T06:18:55.740 | 2008-08-23T06:33:46.953 | 2008-08-23T06:33:46.953 | 77 | 77 | null |
24,073 | 2 | null | 23,994 | 2 | null | I have used ASP.NET MVC for a few projects recently and its like a breath of fresh air compared to WebForms. It works the web rather than against it, and feels like a much more natural way to develop.
I use SubSonic rather than NHibernate, and find it fits very nice within the MVC architecture.
The building blocks I... | null | CC BY-SA 2.5 | null | 2008-08-23T08:02:51.370 | 2008-08-23T08:02:51.370 | null | null | 1,982 | null |
24,024 | 2 | null | 23,228 | 1 | null | Non-overloaded, non-inherited static methods (like Class.b(a,c)) that take an instance as the first variable are semantically equivalent to a method call (like a.b(c)) so the platform team made an arbitrary, aesthetic choice. (Assuming it compiles to the same CIL, which it should.) The only way to know would be to ask ... | null | CC BY-SA 2.5 | null | 2008-08-23T05:41:40.930 | 2008-08-23T05:41:40.930 | null | null | 2,543 | null |
24,079 | 2 | null | 20,386 | 5 | null | Block the finalizer thread. No other objects will be garbage collected until the finalizer thread is unblocked. Thus the amount of memory used will grow and grow.
Further reading: [http://dotnetdebug.net/2005/06/22/blocked-finalizer-thread/](http://dotnetdebug.net/2005/06/22/blocked-finalizer-thread/)
| null | CC BY-SA 2.5 | null | 2008-08-23T08:17:01.867 | 2010-08-01T10:50:32.280 | 2010-08-01T10:50:32.280 | 49 | 49 | null |
24,078 | 2 | null | 3,049 | 12 | null | If you want to code in Java I really recommend SerialIOs [SerialPort](http://serialio.com/products/serialport/serialport.php). It is very easy to use and saves you days of work. I've never found an open source library as good as SerialIO, REALLY!
My advice: do not use Sun's serial IO framework! It is from 1998 and ful... | null | CC BY-SA 3.0 | null | 2008-08-23T08:15:37.253 | 2014-04-07T08:29:25.017 | 2014-04-07T08:29:25.017 | 2,554 | 2,554 | null |
24,080 | 2 | null | 23,963 | 3 | null | You can also use X-Http-Verb-Override:DELETE inst. of HTTP DELETE. This is also usefull for Silverlight clients who cant change the HTTP verbs and only support GET and POST...
| null | CC BY-SA 2.5 | null | 2008-08-23T08:20:47.070 | 2008-08-23T08:20:47.070 | null | null | 1,199,387 | null |
24,075 | 2 | null | 21,514 | 2 | null | davidg was on the right track, and I am crediting him with the answer.
But the WMI query necessary was a little less than straightfoward, since I needed not just a list of users for the whole machine, but the subset of users , whether local or domain, that were members of the local Administrators group. For the record... | null | CC BY-SA 2.5 | null | 2008-08-23T08:14:15.430 | 2008-08-23T08:23:05.830 | 2008-08-23T08:23:05.830 | 2,383 | 2,383 | null |
24,087 | 2 | null | 19,604 | 0 | null | Carlton : Alfresco seems to be a Java based solution.
Ta: I've looked into the plugin folders but none was really good for asp.net mvc.
What I'm now testing is a mix between Tiny with the image uploader of FCKEditor:
this is the pho version but I think it is pretty easy to convert to .net [Tinyfck][1]
[1]: this: [http... | null | CC BY-SA 2.5 | null | 2008-08-23T08:38:17.200 | 2008-08-23T08:38:17.200 | null | null | 1,929 | null |
24,090 | 2 | null | 22,836 | 48 | null | The statement:
```
(my $newstring = $oldstring) =~ s/foo/bar/g;
```
Which is equivalent to:
```
my $newstring = $oldstring;
$newstring =~ s/foo/bar/g;
```
Alternatively, as of Perl 5.13.2 you can use `/r` to do a non destructive substitution:
```
use 5.013;
#...
my $newstring = $oldstring =~ s/foo/bar/gr;
```
| null | CC BY-SA 4.0 | null | 2008-08-23T08:53:44.620 | 2018-06-30T17:13:22.980 | 2018-06-30T17:13:22.980 | 1,753,929 | 238 | null |
24,082 | 2 | null | 12,927 | 3 | null | If JConsole can't be used you can
- - `kill -3 <process id>`
to get a full Thread Dump. This doesn't affect performance and can always be run in production.
| null | CC BY-SA 3.0 | null | 2008-08-23T08:22:58.703 | 2015-08-20T22:20:12.353 | 2015-08-20T22:20:12.353 | 7,226 | 2,554 | null |
24,093 | 2 | null | 24,041 | 158 | null | Mark-up is a term from print editing - the editor would go through the text and add annotations (i.e. this in italic, that in bold) for the printers to use when producing the final version. This was called marking up the text.
A computer mark-up language is just a standardised short-hand for these sorts of annotations... | null | CC BY-SA 2.5 | null | 2008-08-23T09:09:32.880 | 2019-11-13T07:09:17.727 | 2019-11-13T07:09:17.727 | 905 | 905 | null |
24,085 | 2 | null | 23,994 | 4 | null | I've been building a few sites with the framework since the first preview came out, and it has certainly come a long way already. It feels like a very light-weight and tidy framework.
There are a couple of areas where I think it really excels over "vanilla" asp.net:
- - -
That said, there are some areas where it ha... | null | CC BY-SA 2.5 | null | 2008-08-23T08:31:23.223 | 2008-08-23T08:31:23.223 | null | null | 1,710 | null |
24,098 | 2 | null | 23,962 | 2 | null | According to [wikipedia](http://en.wikipedia.org/wiki/Fibonacci_number) Fib(0) should be 0 but it does not matter.
Here is simple C# solution with for cycle:
```
ulong Fib(int n)
{
ulong fib = 1; // value of fib(i)
ulong fib1 = 1; // value of fib(i-1)
ulong fib2 = 0; // value of fib(i-2)
for (int i = 0; i <... | null | CC BY-SA 2.5 | null | 2008-08-23T09:18:38.163 | 2008-08-23T09:23:38.370 | 2008-08-23T09:23:38.370 | 2,361 | 2,361 | null |
24,084 | 2 | null | 23,228 | 2 | null | @Jared:
> Non-overloaded, non-inherited static methods (like Class.b(a,c)) that take an instance as the first variable are semantically equivalent to a method call (like a.b(c))
No, they aren't.
> (Assuming it compiles to the same CIL, which it should.)
That's your mistake. The CIL produced is different. The distin... | null | CC BY-SA 2.5 | null | 2008-08-23T08:25:19.257 | 2008-08-23T08:25:19.257 | null | null | 1,968 | null |
24,100 | 2 | null | 23,961 | 1 | null | It's good that you block bad request after a couple of trials, but you should let it continue.
If you block it after 5 bad requests you won't know if the 6th request wouldn't crash your site.
EDIT:
I meant that some attacker might send only one request but similar to one of those 1495 that You didn't test because you... | null | CC BY-SA 2.5 | null | 2008-08-23T09:22:05.627 | 2008-08-23T09:22:05.627 | null | null | 1,534 | null |
24,074 | 2 | null | 23,802 | 0 | null | @Kevin:
> I was just trying to point out that spl_autoload_register is a better alternative to __autoload since you can define multiple loaders, and they won't conflict with each other. Handy if you have to include libraries that define an __autoload function as well.
Are you sure? The [documentation](http://www.php.... | null | CC BY-SA 2.5 | null | 2008-08-23T08:14:10.610 | 2008-08-23T08:14:10.610 | null | null | 1,968 | null |
24,099 | 1 | 24,140 | null | 16 | 4,845 | I've recently switched from being an employee of a small consulting company to being an independent consultant and as time goes on I will need to upgrade Windows and Visual Studio. So what is the most affordable way to go about this for a small time developer?
My previous boss suggested I get a TechNet Plus subscripti... | Best way to license Microsoft software as an independent developer | CC BY-SA 2.5 | 0 | 2008-08-23T09:19:54.883 | 2012-05-03T19:27:46.953 | 2012-05-03T19:27:46.953 | 352,841 | 163 | [
"windows",
"visual-studio",
"licensing"
] |
24,102 | 2 | null | 24,099 | 2 | null | For non developer tools try Microsoft Action Pack
[https://partner.microsoft.com/40016455](https://partner.microsoft.com/40016455)
Then use Visual Studio Professional (in some exibitions you will get this for free)
For the versioning use svn and not TeamSystem
| null | CC BY-SA 2.5 | null | 2008-08-23T09:27:30.217 | 2008-08-23T09:27:30.217 | null | null | 1,929 | null |
24,103 | 2 | null | 23,102 | 0 | null | I'm no expert, but from what I learned so far the golden rule is not to trust any user data (GET, POST, COOKIE). Common attack types and how to save yourself:
1. SQL Injection Attack: Use prepared queries
2. Cross Site Scripting: Send no user data to browser without filtering/escaping first. This also includes user d... | null | CC BY-SA 2.5 | null | 2008-08-23T09:30:18.057 | 2008-08-23T09:30:18.057 | null | null | 1,897 | null |
24,097 | 2 | null | 23,961 | 2 | null | > Isn't it a security flaw of the site to let hackers throw everything in their arsenal against the site?
Well, you should focus on closing holes, rather than trying to thwart scanners (which is a futile battle). Consider running such tests yourself.
| null | CC BY-SA 2.5 | null | 2008-08-23T09:17:00.227 | 2008-08-23T09:17:00.227 | null | null | 1,600 | null |
24,059 | 2 | null | 24,046 | 7 | null | An iframe solves the problem:
```
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head><title>Safari Back Button Test</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body onload="alert('Hello');">
<a href="http://www.codinghorror.com">Coding Horror</a>
... | null | CC BY-SA 2.5 | null | 2008-08-23T07:36:39.470 | 2008-08-23T07:36:39.470 | null | null | 2,585 | null |
24,113 | 1 | null | null | 0 | 1,683 | We have been developing an Outlook Add-in using Visual Studio 2008. However I am facing a strange behavior while adding a command button to a custom command bar. This behavior is reflected when we add the button in the reply, reply all and forward windows. The issue is that the caption of the command button is not visi... | Outlook Add-in using .NET | CC BY-SA 2.5 | null | 2008-08-23T09:57:28.693 | 2009-03-10T04:49:50.630 | null | null | 2,528 | [
".net",
"outlook",
"add-in"
] |
24,110 | 2 | null | 24,109 | 18 | null | Checkout Netbeans, it's written in Java so you'll have the same environment regardless of your OS, and it supports a lot more than just C++.
I'm not going to try to convince you, because I think IDEs can be a very personal choice. For me it improves my productivity by being fast, supporting the languages I code in and... | null | CC BY-SA 2.5 | null | 2008-08-23T09:55:17.153 | 2008-08-23T09:55:17.153 | null | null | 1,693 | null |
24,061 | 2 | null | 13,857 | 23 | null | To be honest, I understand closures perfectly well except I've never been clear about what exactly is the thing which is the "closure" and what's so "closure" about it. I recommend you give up looking for any logic behind the choice of term.
Anyway, here's my explanation:
```
def foo():
x = 3
def bar():
p... | null | CC BY-SA 2.5 | null | 2008-08-23T07:43:18.127 | 2009-04-12T01:42:13.410 | 2009-04-12T01:42:13.410 | 1,586 | 1,586 | null |
24,130 | 1 | 24,134 | null | 6 | 1,791 | Which is better to use in PHP, a 2D array or a class? I've included an example of what I mean by this.
```
// Using a class
class someClass
{
public $name;
public $height;
public $weight;
function __construct($name, $height, $weight)
{
$this -> name = $name;
$this -> heigh... | Classes vs 2D arrays | CC BY-SA 3.0 | null | 2008-08-23T10:41:36.340 | 2012-11-03T20:46:54.423 | 2011-11-21T03:53:21.450 | 50,049 | 1,384,652 | [
"php",
"arrays",
"class"
] |
24,136 | 2 | null | 24,130 | 4 | null | Generally, I follow this rule:
1) Make it a class if multiple parts of your application use the data structure.
2) Make it a 2D array if you're using it for quick processing of data in one part of your application.
| null | CC BY-SA 2.5 | null | 2008-08-23T10:56:10.427 | 2008-08-23T10:56:10.427 | null | null | 1,693 | null |
24,131 | 2 | null | 24,130 | 4 | null | It depends exactly what you mean by 'better'. I'd go for the object oriented way (using classes) because I find it makes for cleaner code (at least in my opinion). However, I'm not sure what the speed penalties might be for that option.
| null | CC BY-SA 2.5 | null | 2008-08-23T10:42:51.347 | 2008-08-23T10:42:51.347 | null | null | 1,912 | null |
24,106 | 2 | null | 23,802 | 6 | null | I my applications I usually have `setup.php` file that includes all core classes (i.e. framework and accompanying libraries). My custom classes are loaded using autoloader aided by directory layout map.
Each time new class is added I run command line builder script that scans whole directory tree in search for model c... | null | CC BY-SA 2.5 | null | 2008-08-23T09:37:32.237 | 2008-08-23T09:37:32.237 | null | null | 2,169 | null |
24,068 | 2 | null | 23,373 | 1 | null | There's also [Zinc](http://www.multidmedia.com/software/zinc/) that also provides API:s for accessing the filesystem and other thinks that AIR does, but less restrictive.
| null | CC BY-SA 2.5 | null | 2008-08-23T07:55:39.750 | 2008-08-23T07:55:39.750 | null | null | 1,109 | null |
24,142 | 2 | null | 23,102 | 3 | null | Most people here have mentioned SQL Injection and XSS, which is correct, but don't be fooled - the most important things you need to worry about as a web developer is INPUT VALIDATION, which is where XSS and SQL Injection stem from.
For instance, if you have a form field that will only ever accept integers, make sure... | null | CC BY-SA 2.5 | null | 2008-08-23T11:03:30.393 | 2008-08-23T11:03:30.393 | null | null | 1,693 | null |
24,138 | 2 | null | 17,980 | -1 | null | One issue that hasn't been raised by others is whether is the same as a . On some systems a different format specifier was needed for a double compared to a float. Not least because the parameters passed could be of different sizes.
| null | CC BY-SA 2.5 | null | 2008-08-23T11:00:49.087 | 2008-08-23T11:00:49.087 | null | null | 888 | null |
24,119 | 2 | null | 24,109 | 259 | null |
## Initially: confusion
When originally writing this answer, I had recently made the switch from Visual Studio (with years of experience) to Linux and the first thing I did was try to find a reasonable IDE. At the time this was impossible: no good IDE existed.
## Epiphany: UNIX is an IDE. All of it.1
And then ... | null | CC BY-SA 3.0 | null | 2008-08-23T10:06:09.157 | 2016-11-02T14:49:19.650 | 2016-11-02T14:49:19.650 | 1,968 | 1,968 | null |
24,143 | 2 | null | 23,228 | 29 | null | I don't actually know the answer but I suspect that it has something to do with the aspect of invoking methods on string literals directly.
If I recall correctly (I didn't actually verify this because I don't have an old IDE handy), early versions of the C# IDE had trouble detecting method calls against string literal... | null | CC BY-SA 2.5 | null | 2008-08-23T11:05:01.653 | 2008-08-23T11:05:01.653 | null | null | 1,948 | null |
24,147 | 2 | null | 23,228 | 2 | null | This is to avoid confusion with `.ToString()` methods.
For instance:
```
double test = 1.54d;
//string.Format pattern
string.Format("This is a test: {0:F1}", test );
//ToString pattern
"This is a test: " + test.ToString("F1");
```
If Format was an instance method on string this could cause confusion, as the patte... | null | CC BY-SA 2.5 | null | 2008-08-23T11:10:27.987 | 2008-08-23T11:16:37.630 | 2008-08-23T11:16:37.630 | 905 | 905 | null |
24,150 | 2 | null | 14,165 | 2 | null | Another possibility could be from side effects. Most min/max macros will include the parameters multiple times and may not do what you expect. Errors and warnings could also be generated.
afterwards i is either plus 1 or plus 2
The () in the expansion are to avoid problems if you call it with formulae. Try expandin... | null | CC BY-SA 2.5 | null | 2008-08-23T11:17:25.570 | 2008-08-23T11:17:25.570 | null | null | 888 | null |
24,122 | 2 | null | 24,109 | 75 | null |
1. Code::Blocks
2. Eclipse CDT
Soon you'll find that IDEs are not enough, and you'll have to learn the GCC toolchain anyway (which isn't hard, at least learning the basic functionality). But no harm in reducing the transitional pain with the IDEs, IMO.
| null | CC BY-SA 2.5 | null | 2008-08-23T10:17:56.477 | 2008-08-23T10:17:56.477 | null | null | 1,897 | null |
24,109 | 1 | 24,119 | null | 209 | 1,027,514 | I want to expand my programming horizons to Linux. A good, dependable basic toolset is important, and what is more basic than an IDE?
I could find these SO topics:
- [Lightweight IDE for linux](https://stackoverflow.com/questions/2756/lightweight-ide-for-linux)- [What tools do you use to develop C++ applications on L... | C++ IDE for Linux? | CC BY-SA 2.5 | 0 | 2008-08-23T09:52:59.517 | 2016-11-02T14:49:19.650 | 2017-05-23T12:18:36.167 | -1 | 46 | [
"c++",
"linux",
"ide"
] |
24,157 | 2 | null | 21,464 | 1 | null | Craig Hockenberry (developer of Twitterrific) blogs about iPhone development issues at [furbo.org](http://furbo.org/)
| null | CC BY-SA 2.5 | null | 2008-08-23T11:31:25.397 | 2008-08-23T11:31:25.397 | null | null | 1,450 | null |
24,134 | 2 | null | 24,130 | 9 | null | The "class" that you've constructed above is what most people would use a for in other languages. I'm not sure what the performance implications are in PHP, though I suspect instantiating the objects is probably more costly here, if only by a little bit.
That being said, if the cost is relatively low, it IS a bit eas... | null | CC BY-SA 2.5 | null | 2008-08-23T10:52:51.727 | 2008-08-23T10:52:51.727 | null | null | 1,344 | null |
24,148 | 2 | null | 24,130 | 3 | null | > > It's the speed that I am thinking of mostly, for anything more complex than what I have here I'd probably go with classes but the question is, what is the cost of a class?
This would seem to be premature optimisation. Your application isn't going to take any real-world performance hit either way, but using a class... | null | CC BY-SA 2.5 | null | 2008-08-23T11:10:43.370 | 2008-08-23T11:10:43.370 | null | null | 137 | null |
24,137 | 2 | null | 23,802 | 1 | null | You can also programmatically determine the location of the class file by using structured naming conventions that map to physical directories. This is how Zend do it in [Zend Framework](http://framework.zend.com/). So when you call `Zend_Loader::loadClass("Zend_Db_Table");` it explodes the classname into an array of d... | null | CC BY-SA 2.5 | null | 2008-08-23T10:58:06.257 | 2008-08-23T10:58:06.257 | null | null | 137 | null |
24,160 | 2 | null | 24,109 | 23 | null | As an old-time UNIX guy, I always use Emacs. But that has a pretty steep and long learning curve, so I'm not sure I can recommend it to newcomers.
There really isn't a "good" IDE for Linux. Eclipse is not very good for C/C++ (CDT is improving, but is not very useful yet). The others are missing all the features you... | null | CC BY-SA 2.5 | null | 2008-08-23T11:38:34.787 | 2009-05-08T09:39:07.260 | 2009-05-08T09:39:07.260 | 1,175 | 1,175 | null |
24,158 | 2 | null | 10,324 | 1 | null | > Why is a code solution that works
getting voted down? Sure, it's ugly
...
Perhaps because as well as being ugly it isn't educational and work. Also, I suspect that like me, most people don't have the power to edit at present (and judging by the rank needed - never will).
The use of an array can be good for ef... | null | CC BY-SA 2.5 | null | 2008-08-23T11:32:17.217 | 2008-08-23T11:32:17.217 | null | null | 888 | null |
24,162 | 2 | null | 20,262 | 0 | null | Just tossing out a second recommendation for Working Effectively with Legacy Code, an excellent book that really opened my eyes to the fact that almost any old / crappy / untestable code can be wrangled!
| null | CC BY-SA 2.5 | null | 2008-08-23T11:43:53.027 | 2008-08-23T11:43:53.027 | null | null | 2,272 | null |
24,168 | 1 | null | null | 37 | 34,823 | When writing database queries in something like TSQL or PLSQL, we often have a choice of iterating over rows with a cursor to accomplish the task, or crafting a single SQL statement that does the same job all at once.
Also, we have the choice of simply pulling a large set of data back into our application and then pro... | Why are relational set-based queries better than cursors? | CC BY-SA 2.5 | 0 | 2008-08-23T12:04:48.700 | 2021-12-22T22:36:43.940 | 2021-12-22T22:36:43.940 | 4,294,399 | 1,219 | [
"sql",
"language-agnostic",
"database-cursor"
] |
24,140 | 2 | null | 24,099 | 5 | null | I recommend that if VS Express is not good enough, use Professional. Standard is missing some really useful features, like a Remote Debugger. Here is a detailed comparison:
[http://msdn.microsoft.com/en-us/vs2008/products/cc149003.aspx](http://msdn.microsoft.com/en-us/vs2008/products/cc149003.aspx)
I'd say cancel Tec... | null | CC BY-SA 2.5 | null | 2008-08-23T11:02:29.800 | 2008-08-23T11:02:29.800 | null | null | 91 | null |
24,169 | 2 | null | 23,962 | 4 | null |
# Quick and dirty memoization in C++:
Any recursive method `type1 foo(type2 bar) { ... }` is easily memoized with `map<type2, type1> M`.
```
// your original method
int fib(int n)
{
if(n==0 || n==1)
return 1;
return fib(n-1) + fib(n-2);
}
// with memoization
map<int, int> M = map<int, int>();
int ... | null | CC BY-SA 2.5 | null | 2008-08-23T12:07:18.773 | 2008-08-24T00:25:50.010 | 2008-08-24T00:25:50.027 | 88 | 88 | null |
24,170 | 2 | null | 24,168 | 20 | null | The main reason that I'm aware of is that set-based operations can be optimised by the engine by running them across multiple threads. For example, think of a quicksort - you can separate the list you're sorting into multiple "chunks" and sort each separately in their own thread. SQL engines can do similar things with ... | null | CC BY-SA 2.5 | null | 2008-08-23T12:08:33.480 | 2008-08-23T12:08:33.480 | null | null | 615 | null |
24,171 | 2 | null | 24,130 | 2 | null | The class that you have is not a real class in OO terms - its just been contructed to take the space of the instance variables.
That said - there propably isnt much issue with speed - its just a style thing in your example.
The intresting bit - is if you contsrtucted the object to be a real "person" class - and think... | null | CC BY-SA 2.5 | null | 2008-08-23T12:12:18.323 | 2008-08-23T12:12:18.323 | null | null | null | null |
24,174 | 2 | null | 24,109 | 5 | null | I hear Anjuta is pretty slick for Gnome users. I played a bit with KDevelop and it's nice, but sort of lacking featurewise. Code::Blocks is also very promising, and I like that one best.
| null | CC BY-SA 2.5 | null | 2008-08-23T12:14:51.907 | 2008-08-23T12:14:51.907 | null | null | 2,018 | null |
24,161 | 2 | null | 2,873 | 0 | null | is constantly updated... so why would you want a more recent one.
BTW flexelint lint
| null | CC BY-SA 2.5 | null | 2008-08-23T11:42:30.360 | 2008-08-23T11:42:30.360 | null | null | 888 | null |
24,156 | 2 | null | 24,109 | 32 | null | > could you clarify a little bit more how it was for you, what you had to change. Maybe you could point me in the right direction by providing some links to the information you used.
My first source were actually the tools' `man` pages. Just type
```
$ man toolname
```
on the command line (`$` here is part of the p... | null | CC BY-SA 3.0 | null | 2008-08-23T11:30:54.897 | 2012-01-18T10:51:02.403 | 2012-01-18T10:51:02.403 | 1,968 | 1,968 | null |
24,176 | 2 | null | 24,168 | 0 | null | The idea behind preferring to do the work in queries is that the database engine can optimize by reformulating it. That's also why you'd want to run EXPLAIN on your query, to see what the db is doing. (e.g. taking advantage of indices, table sizes and sometimes even knowledge about the distributions of values in colum... | null | CC BY-SA 2.5 | null | 2008-08-23T12:16:59.967 | 2008-08-23T12:16:59.967 | null | null | 1,421 | null |
24,180 | 2 | null | 24,045 | 4 | null | The main thing is that VisualSVN uses TortoiseSVN for nearly all of its UI. So you only really have to set up one client (preferred diff viewer, etc), and you can take advantage of things like the same "Previous messages" button on the Commit dialog, whether you're committing from Explorer or Visual Studio.
| null | CC BY-SA 2.5 | null | 2008-08-23T12:26:29.037 | 2008-08-23T15:00:01.383 | 2008-08-23T15:00:01.383 | 1,278 | 1,278 | null |
24,179 | 1 | 36,398 | null | 57 | 44,149 | I'm interested in finding out how the recently-released ([http://mirror.facebook.com/facebook/hive/hadoop-0.17/](http://mirror.facebook.com/facebook/hive/hadoop-0.17/)) Hive compares to HBase in terms of performance. The SQL-like interface used by Hive is very much preferable to the HBase API we have implemented.
| How does Hive compare to HBase? | CC BY-SA 2.5 | 0 | 2008-08-23T12:22:04.993 | 2016-11-02T14:36:22.383 | null | null | 2,588 | [
"hadoop",
"hbase",
"hive"
] |
24,175 | 2 | null | 23,962 | 1 | null | @ESRogs:
`std::map` lookup is (log ) which makes it slow here. Better use a vector.
```
vector<unsigned int> fib_cache;
fib_cache.push_back(1);
fib_cache.push_back(1);
unsigned int fib(unsigned int n) {
if (fib_cache.size() <= n)
fib_cache.push_back(fib(n - 1) + fib(n - 2));
return fib_cache[n];
}
`... | null | CC BY-SA 2.5 | null | 2008-08-23T12:16:51.260 | 2008-08-23T12:16:51.260 | null | null | 1,968 | null |
24,166 | 2 | null | 10,949 | 1 | null | I like to write unit tests that use one of the builtin serializers on the original and the cloned object and then check the serialized representations for equality (for a binary formatter, I can just compare the byte arrays). This works great in cases where the object is still serializable, and I'm only changing to a ... | null | CC BY-SA 2.5 | null | 2008-08-23T12:03:01.513 | 2008-08-23T12:03:01.513 | null | null | 1,948 | null |
24,178 | 2 | null | 23,689 | 5 | null | I don't, but there's a Java port called [jchronic](https://jchronic.dev.java.net/). If nothing else, it could provide a good jumping-off point for your own. Or perhaps you could use a semi-automatic Java to C# translator like [Octopus](http://www.remotesoft.com/octopus/try.html) to help translate it. (Or something bett... | null | CC BY-SA 2.5 | null | 2008-08-23T12:18:29.043 | 2008-08-23T13:33:50.763 | 2008-08-23T13:33:50.763 | 1,199 | 1,199 | null |
24,187 | 2 | null | 24,099 | 2 | null | I realise that this doesn't apply to the asker but it it is relevent to the question.
Any out there try [Microsfts Dream Spark scheme](https://downloads.channel8.msdn.com/). Visual Studio, Expression Studio, XNA and Server 2003 for free!
Office is also available to students for less than 60 bucks in [Microsfts `Ulti... | null | CC BY-SA 2.5 | null | 2008-08-23T12:38:02.707 | 2008-08-23T12:38:02.707 | null | null | 199 | null |
24,185 | 2 | null | 22,907 | -1 | null | > is it good system architecture if you
let connect 1000 desktops directly to
database?
No it's obviously not, it's maybe a poor example but I think the point I was trying to make is clear, your DBA looks after your database infrastructure this is were their expertise is, stuffing SQL in code locks the door to the... | null | CC BY-SA 2.5 | null | 2008-08-23T12:37:08.187 | 2008-08-23T12:37:08.187 | null | null | 1,603 | null |
24,192 | 2 | null | 24,168 | 0 | null | set based is done in one operation
cursor as many operations as the rowset of the cursor
| null | CC BY-SA 2.5 | null | 2008-08-23T12:41:07.210 | 2008-08-23T12:41:07.210 | null | null | 740 | null |
24,159 | 2 | null | 24,109 | 5 | null | Although I use Vim, some of my co-workers use [SlickEdit](http://www.slickedit.com/) which looks pretty good. I'm not certain about integrated debugging because we wouldn't be able to do that on our particular project anyway.
SlickEdit does have good support for navigating large code bases, with cross referencing and ... | null | CC BY-SA 2.5 | null | 2008-08-23T11:34:54.467 | 2009-10-07T13:59:22.783 | 2009-10-07T13:59:22.783 | 63,550 | 893 | null |
24,165 | 1 | null | null | 9 | 1,909 | The last time I took on a non-trivial .Net/C# application I used Castle Monorail and, on the whole, enjoyed the experience. Early-access/preview releases of .Net MVC were not yet available. Many "Microsoft shops" will now find the "official" solution more appealing. Has anyone gone from Monorail to .Net MVC.
How did ... | From Monorail to ASP.Net MVC | CC BY-SA 2.5 | 0 | 2008-08-23T12:01:25.603 | 2010-06-18T10:29:11.993 | 2009-09-04T15:54:17.680 | 1,820 | 1,820 | [
"c#",
".net",
"asp.net-mvc",
"castle-monorail"
] |
24,199 | 2 | null | 24,193 | 2 | null | I recall that in previous versions of VS, there was a way to add custom build steps to the build process. I used that a lot to do exactly the kind of automated code generation you describe.
I imagine the custom build step feature is still there in 2008.
| null | CC BY-SA 2.5 | null | 2008-08-23T12:49:12.977 | 2008-08-23T12:49:12.977 | null | null | 893 | null |
24,190 | 2 | null | 23,907 | 5 | null | The first thing that jumps to mind is the possibility of your git history having a nonlinear history. You might have difficulty determining a sensible sequence of commits.
Having said that, it seems like you could keep a log of commit ids and the corresponding lines of code in that commit. In a post-commit hook, start... | null | CC BY-SA 2.5 | null | 2008-08-23T12:39:52.673 | 2008-08-23T12:39:52.673 | null | null | 893 | null |
24,193 | 1 | 24,248 | null | 5 | 1,901 | I had an idea, if I add a python .py file to my C# project, and tag the file with a custom generator that would execute the python file, and treat the output as the result of the code generation, ie. put it into a C# file, that would allow me to do quite a lot of code generation as part of the build process.
Does anyo... | Python code generator for Visual Studio? | CC BY-SA 2.5 | 0 | 2008-08-23T12:41:43.433 | 2008-10-21T20:30:33.330 | 2008-08-25T12:20:11.487 | 123 | 267 | [
"python",
"visual-studio-2008",
"code-generation"
] |
24,204 | 2 | null | 24,200 | -1 | null | Yes your ideas will help.
Lean on option 1 if there are no reads happening while your loading.
Lean on option 2 if you destination table is being queried during your processing.
@Andrew
Question. Your inserting in chunks of 300. What is the total amount your inserting? SQL server should be able to handle 300 plain ... | null | CC BY-SA 2.5 | null | 2008-08-23T12:56:59.887 | 2008-08-23T13:02:43.897 | 2008-08-23T13:02:43.897 | 1,293 | 1,293 | null |
24,208 | 2 | null | 1,607 | 3 | null | For my current PHP project we use the idea of rails migrations and we have a migrations directory in which we keep files title "migration_XX.sql" where XX is the number of the migration. Currently these files are created by hand as updates are made, but their creation could be easily modified.
Then we have a script c... | null | CC BY-SA 2.5 | null | 2008-08-23T12:58:24.407 | 2008-08-23T12:58:24.407 | null | null | 2,594 | null |
24,196 | 1 | 24,223 | null | 0 | 365 | We have a set of applications that basically display a bunch of bitmaps and text, then allow user to press "buttons" (certain bitmaps) that cause actions to occur.
We currently have these implemented using DirectX and a bunch of code to place the bitmaps and handle the button-presses. But we'd like to have the follow... | Simple Frameworks for Displaying Bitmaps and Handling Button Presses | CC BY-SA 2.5 | null | 2008-08-23T12:47:55.587 | 2014-03-11T18:42:03.997 | 2014-03-11T18:42:03.997 | 321,731 | 1,175 | [
"c++",
"user-interface",
"graphics",
"bitmap"
] |
24,200 | 1 | null | null | 60 | 86,606 | I am hitting some performance bottlenecks with my C# client inserting bulk data into a SQL Server 2005 database and I'm looking for ways in which to speed up the process.
I am already using the SqlClient.SqlBulkCopy (which is based on TDS) to speed up the data transfer across the wire which helped a lot, but I'm still... | What's the fastest way to bulk insert a lot of data in SQL Server (C# client) | CC BY-SA 3.0 | 0 | 2008-08-23T12:53:09.520 | 2022-07-18T10:14:58.810 | 2013-06-10T16:35:17.160 | 139,010 | 1,948 | [
"c#",
"sql",
"sql-server",
"sql-server-2005"
] |
24,214 | 2 | null | 24,200 | 5 | null | Have you tried using transactions?
From what you describe, having the server committing 100% of the time to disk, it seems you are sending each row of data in an atomic SQL sentence thus forcing the server to commit (write to disk) every single row.
If you used transactions instead, the server would only commit at t... | null | CC BY-SA 2.5 | null | 2008-08-23T13:10:32.847 | 2008-08-23T13:10:32.847 | null | null | 2,384 | null |
24,212 | 1 | 30,029 | null | 3 | 2,098 | What's the best way to use QT4's [QItemDelegate](http://doc.qt.io/qt-4.8/qitemdelegate.html) to show thumbnails for images in a view?
Specifically, how do you stop the item delegate from blocking when generating `pixmaps` from very large image files (> 500MB)?
Can anyone link to some example code that achieves this?... | Use QItemDelegate to show image thumbnails | CC BY-SA 4.0 | null | 2008-08-23T13:07:19.517 | 2018-11-10T18:54:32.990 | 2018-11-10T18:54:32.990 | null | 1,304 | [
"c++",
"qt",
"image",
"thumbnails",
"qitemdelegate"
] |
24,207 | 1 | 71,401 | null | 1 | 2,796 | I'm trying to use “rusage” statistics in my program to get data similar to that of the [time](http://en.wikipedia.org/wiki/Time_%28Unix%29) tool. However, I'm pretty sure that I'm doing something wrong. The values seem about right but can be a bit weird at times. I didn't find good resources online. Does somebody know ... | “rusage” statistics | CC BY-SA 2.5 | null | 2008-08-23T12:57:16.483 | 2008-10-13T09:36:13.937 | 2008-08-23T13:06:27.897 | 1,968 | 1,968 | [
"c++",
"unix",
"time",
"profiling"
] |
24,219 | 2 | null | 16,918 | 22 | null | If you're like me, and like videos of presentations, than this is a good tutorial:
- [Part 1](https://www.youtube.com/watch?v=jLj1QV11o9g)- [Part 2](https://www.youtube.com/watch?v=IqXTUbdLig0)- [Slides](https://www.microsoft.com/en-us/research/uploads/prod/2007/07/TasteOfHaskell.pdf)
It's a three-hour tutorial, that ... | null | CC BY-SA 4.0 | null | 2008-08-23T13:19:45.977 | 2021-05-17T11:04:45.050 | 2021-05-17T11:04:45.050 | 2,597 | 2,597 | null |
24,191 | 2 | null | 24,099 | 5 | null | You have the Microsoft Empower for ISV program, see [https://partner.microsoft.com/40011351](https://partner.microsoft.com/40011351)
Gives you a full msdn pro subscription for two years.
| null | CC BY-SA 2.5 | null | 2008-08-23T12:40:44.167 | 2008-08-23T12:40:44.167 | null | null | 2,593 | null |
24,167 | 2 | null | 23,448 | 9 | null | Jay Fields and Obie Fernandez have written and talked extensively on the subject.
- [Domain Specific Languages](http://blog.jayfields.com/2008/02/designing-domain-specific-language.html)- [Business Natural Language](http://bnl.jayfields.com/01_introduction.html)- [Expressing Contract Terms in a DSL](http://www.jroller... | null | CC BY-SA 2.5 | null | 2008-08-23T12:04:32.493 | 2008-08-23T12:04:32.493 | null | null | 341 | null |
24,221 | 1 | 24,231 | null | 120 | 35,156 | What is the purpose of annotations in Java? I have this fuzzy idea of them as somewhere in between a comment and actual code. Do they affect the program at run time?
What are their typical usages?
Are they unique to Java? Is there a C++ equivalent?
| Java Annotations | CC BY-SA 3.0 | 0 | 2008-08-23T13:23:14.957 | 2022-04-13T23:11:04.620 | 2013-01-31T17:36:03.393 | 354,009 | 142 | [
"java",
"annotations",
"glossary"
] |
24,225 | 2 | null | 24,196 | 0 | null | You could try [wxWidgets](http://www.wxwidgets.org/) (it has wxBitmapButton) or try to implement your own solution using [SDL](http://www.libsdl.org/) for all of the graphics.
| null | CC BY-SA 2.5 | null | 2008-08-23T13:29:08.747 | 2008-08-23T13:29:08.747 | null | null | 1,534 | null |
24,224 | 2 | null | 24,200 | 19 | null | You're already using [SqlBulkCopy](http://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlbulkcopy.aspx), which is a good start.
However, just using the SqlBulkCopy class does not necessarily mean that SQL will perform a bulk copy. In particular, there are a few requirements that must be met for SQL Server t... | null | CC BY-SA 2.5 | null | 2008-08-23T13:27:42.807 | 2008-08-23T13:27:42.807 | null | null | 1,690 | null |
24,236 | 2 | null | 24,193 | 1 | null | I don't understand what you are trying to do here. Are you trying to execute a Python script that generates a C# file and then compile that with the project? Or are you trying to compile a Python script to C#?
| null | CC BY-SA 2.5 | null | 2008-08-23T13:42:39.837 | 2008-08-23T13:42:39.837 | null | null | 2,384 | null |
24,231 | 2 | null | 24,221 | 86 | null | Annotations are primarily used by code that is inspecting other code. They are often used for modifying (i.e. decorating or wrapping) existing classes at run-time to change their behavior. Frameworks such as [JUnit](http://www.junit.org/) and [Hibernate](http://www.hibernate.org/) use annotations to minimize the amount... | null | CC BY-SA 3.0 | null | 2008-08-23T13:38:25.760 | 2013-03-22T17:56:44.590 | 2013-03-22T17:56:44.590 | 700,533 | 1,709 | null |
24,234 | 2 | null | 24,168 | 16 | null | In addition to the above "let the DBMS do the work" (which is a great solution), there are a couple other good reasons to leave the query in the DBMS:
- - - -
| null | CC BY-SA 2.5 | null | 2008-08-23T13:42:12.210 | 2008-08-23T22:00:40.063 | 2008-08-23T22:00:40.063 | 2,590 | 2,590 | null |
24,240 | 2 | null | 24,109 | 7 | null | I quite like [Ultimate++](http://www.ultimatepp.org/)'s IDE. It has some features that were designed to use with their own library (which, BTW, is quite a nice toolkit if you don't want to buy on either GTK+ or QT) but it works perfectly well with general C++ projects. It provides decent code completion, good syntax co... | null | CC BY-SA 2.5 | null | 2008-08-23T13:52:25.837 | 2008-10-11T17:50:12.240 | 2008-10-11T17:50:12.240 | 2,147 | 2,384 | null |