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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
39,414 | 2 | null | 39,371 | 2 | null | I try to validate on both sides. 1 rule I always follow is never trust input from the user. Following this to it's conclusion, I will usually have some front end validation on the form/web page which will not even allow submission with improperly formed data. This is a blunt tool - meaning you can check/parse the value... | null | CC BY-SA 2.5 | null | 2008-09-02T12:47:59.547 | 2008-09-02T12:47:59.547 | null | null | 1,284 | null |
39,409 | 2 | null | 27,562 | 2 | null | Use UTL_FILE in combination with CREATE DIRECTORY for ease of mapping a directory path with a name (it does not create the actual directory just a reference to it so ensure it is created first)
example
```
create directory logfile as 'd:\logfile'; -- must have priv to do this
declare
vFile utl_file.file_type;
begi... | null | CC BY-SA 2.5 | null | 2008-09-02T12:46:36.710 | 2008-09-02T12:46:36.710 | null | null | 1,095 | null |
39,429 | 2 | null | 39,419 | 12 | null | No ... on all Windows platforms DWORD is 32 bits. LONGLONG or LONG64 is used for 64 bit types.
| null | CC BY-SA 2.5 | null | 2008-09-02T12:55:45.487 | 2008-09-02T12:55:45.487 | null | null | 3,631 | null |
39,424 | 2 | null | 39,395 | 25 | null | How about using:
```
double pi = Math.PI;
```
If you want better precision than that, you will need to use an algorithmic system and the Decimal type.
| null | CC BY-SA 3.0 | null | 2008-09-02T12:52:20.270 | 2012-07-03T13:13:16.847 | 2012-07-03T13:13:16.847 | 142,162 | 1,898 | null |
39,423 | 2 | null | 39,392 | 6 | null | I've always found two main issues when working with XML transformations:
Firstly they tend to be quite slow, the whole XML file must be parsed and validated before you can do anything with it. Being XML it's also excessively verbose, and therefore larger than it needs to be.
Secondly the way transformations work is a... | null | CC BY-SA 2.5 | null | 2008-09-02T12:51:48.320 | 2008-09-02T12:51:48.320 | null | null | 905 | null |
39,431 | 2 | null | 39,391 | 3 | null | No it does not. But if the protocol of the URL is HTTP, you'll get a [HttpURLConnection](http://java.sun.com/javase/6/docs/api/java/net/HttpURLConnection.html) as a return object. This class has a `setRequestMethod` method to specify which HTTP method you want to use.
If you want to do more sophisticated stuff you're... | null | CC BY-SA 2.5 | null | 2008-09-02T12:55:59.073 | 2008-09-02T12:55:59.073 | null | null | 2,844 | null |
39,421 | 2 | null | 39,392 | 0 | null | If you only going to display data from DB XSL templates may be convenient solution, but if you gonna handle user interaction. Hm... I don't think it'll be maintainable at all.
| null | CC BY-SA 2.5 | null | 2008-09-02T12:51:14.310 | 2008-09-02T12:51:14.310 | null | null | 2,313 | null |
39,434 | 2 | null | 39,392 | 4 | null | I've used that technique in the past, and there are applications where we use it at my current place of employment. (I will admit, I am not totally a fan of it, but I'll play devil's advocate) Really that is one of the main advatages, and pushing this idea can be kinda neat. You're able to dynamically create the xsl... | null | CC BY-SA 2.5 | null | 2008-09-02T12:57:08.213 | 2008-09-02T12:57:08.213 | null | null | 1,942 | null |
39,433 | 2 | null | 15,496 | 156 | null | For most people I interview for Java developer positions labeled blocks are very surprising. Here is an example:
```
// code goes here
getmeout:{
for (int i = 0; i < N; ++i) {
for (int j = i; j < N; ++j) {
for (int k = j; k < N; ++k) {
//do something here
break ... | null | CC BY-SA 2.5 | null | 2008-09-02T12:57:04.033 | 2009-05-12T03:17:42.627 | 2009-05-12T03:17:42.627 | 27,536 | 4,052 | null |
39,428 | 2 | null | 39,371 | 3 | null | You want to reduce unnecessary trips to the DB, so performing validation within the application is a good practice. Also, it allows you to handle data errors where it is most easy to recover from: up near the UI (whether in the controller or within the UI layer for simpler apps) where the data is entered.
There are ... | null | CC BY-SA 2.5 | null | 2008-09-02T12:54:23.993 | 2008-09-02T12:54:23.993 | null | null | null | null |
39,404 | 2 | null | 39,395 | 45 | null | If you want recursion:
```
PI = 2 * (1 + 1/3 * (1 + 2/5 * (1 + 3/7 * (...))))
```
This would become, after some rewriting:
```
PI = 2 * F(1);
```
with F(i):
```
double F (int i) {
return 1 + i / (2.0 * i + 1) * F(i + 1);
}
```
Isaac Newton (you may have heard of him before ;) ) came up with this trick.
Not... | null | CC BY-SA 3.0 | null | 2008-09-02T12:44:04.220 | 2014-03-07T15:31:37.983 | 2014-03-07T15:31:37.983 | 2,018 | 2,018 | null |
39,430 | 2 | null | 39,419 | 17 | null | It is defined as:
```
typedef unsigned long DWORD;
```
However, according to the MSDN:
> On 32-bit platforms, long is
synonymous with int.
Therefore, DWORD is 32bit on a 32bit operating system. There is a separate define for a 64bit DWORD:
```
typdef unsigned _int64 DWORD64;
```
Hope that helps.
| null | CC BY-SA 2.5 | null | 2008-09-02T12:55:47.700 | 2008-09-02T12:55:47.700 | null | null | 986 | null |
39,437 | 2 | null | 38,987 | 739 | null | An alternative:
```
z = x.copy()
z.update(y)
```
| null | CC BY-SA 2.5 | null | 2008-09-02T13:00:46.707 | 2008-09-02T13:00:46.707 | null | null | 188 | null |
39,418 | 2 | null | 11,099 | 2 | null | I personnally side with McConnell's explanation from Code Complete.
Use them whenever you can. They enhance your code's readability and remove the few and scarce confusions that might occur.
There is one thing that's more important though....Consistency. Which ever style you use,make sure you always do it the same wa... | null | CC BY-SA 2.5 | null | 2008-09-02T12:50:15.047 | 2008-09-02T12:50:15.047 | null | null | 4,225 | null |
39,446 | 2 | null | 39,371 | 0 | null | The sorts of apps that I was writing (I've since moved jobs) were in-house fat-client apps.
I would try to keep the business logic in the client, and do more mechanical validation on the db (ie validation that only related to the procedure's ability to run, as opposed to higher level validation).
In short, validate whe... | null | CC BY-SA 2.5 | null | 2008-09-02T13:05:42.747 | 2008-09-02T13:05:42.747 | null | null | 3,590 | null |
39,441 | 2 | null | 39,419 | 69 | null | Actually, on 32-bit computers a word is 32-bit, but the DWORD type is a leftover from the good old days of 16-bit.
In order to make it easier to port programs to the newer system, Microsoft has decided all the old types will not change size.
You can find the official list here:
[http://msdn.microsoft.com/en-us/librar... | null | CC BY-SA 2.5 | null | 2008-09-02T13:02:40.837 | 2010-01-27T00:40:47.540 | 2010-01-27T00:40:47.540 | 32,638 | 3,509 | null |
39,460 | 2 | null | 39,447 | 1 | null | You can always write a class that implements IList and forwards all calls to the original list (so it doesn't have it's own copy of the data) after translating the indexes.
| null | CC BY-SA 2.5 | null | 2008-09-02T13:09:28.993 | 2008-09-02T13:09:28.993 | null | null | 3,509 | null |
39,442 | 2 | null | 39,395 | 0 | null | In any production scenario, I would compel you to look up the value, to the desired number of decimal points, and store it as a 'const' somewhere your classes can get to it.
(unless you're writing scientific 'Pi' specific software...)
| null | CC BY-SA 2.5 | null | 2008-09-02T13:03:14.127 | 2008-09-02T13:03:14.127 | null | null | 3,619 | null |
39,461 | 2 | null | 39,371 | 2 | null | An object-relational mapping (ORM) tool, like [NHibernate](http://www.hibernate.org/343.html) (or better yet, [ActiveRecord](http://www.castleproject.org/activerecord/index.html)), can help you avoid a lot of validation by allowing the data model to be built right into your code as a proper C# class. You may avoid trip... | null | CC BY-SA 2.5 | null | 2008-09-02T13:09:47.903 | 2008-09-02T13:09:47.903 | null | null | 3,619 | null |
39,457 | 1 | 40,101 | null | 3 | 3,944 | Does anyone have a regular expression for matching function calls in C programs ?
| Regular expression to match (C) function calls | CC BY-SA 2.5 | null | 2008-09-02T13:09:02.163 | 2010-11-14T13:11:50.697 | 2008-09-02T14:07:59.137 | 1,414 | 381 | [
"regex"
] |
39,448 | 2 | null | 39,371 | 7 | null | @aku: DRY is nice, but its not always possible. Validation is one of those places, as you will have three completely different and unrelated places where validation is not only possible but absolutely needed: Within the UI, within the business logic, and within the database.
Think of a web application. You want to... | null | CC BY-SA 2.5 | null | 2008-09-02T13:06:00.343 | 2008-09-02T13:06:00.343 | null | null | null | null |
39,462 | 2 | null | 39,447 | 1 | null | You could use yield return to create a filtered list
```
IEnumerable<object> FilteredList()
{
foreach( object item in FullList )
{
if( IsItemInPartialList( item )
yield return item;
}
}
```
| null | CC BY-SA 2.5 | null | 2008-09-02T13:10:00.100 | 2008-09-02T13:10:00.100 | null | null | 3,320 | null |
39,438 | 1 | 41,100 | null | 7 | 4,077 | We are bringing a new project in house and whereas previously all our work was on SQL Server the new product uses an oracle back end.
Can anyone advise any crib sheets or such like that gives an SQL Server person like me a rundown of what the major differences are - Would like to be able to get up and running as soon ... | Developer moving from SQL Server to Oracle | CC BY-SA 2.5 | 0 | 2008-09-02T13:01:06.737 | 2015-12-04T04:51:27.403 | null | null | 770 | [
"sql-server",
"database",
"oracle"
] |
39,454 | 1 | 39,498 | null | 6 | 1,943 | Under Windows XP WPF true 3D content (which is usually displayed using the Viewport3D control) looks extremely ugly because it is by default not antialiased as the rest of the WPF graphics are. Especially at lower resolution the experience is so bad that it can not be used in production code.
I have managed to force a... | Is there a secret trick to force antialiasing inside Viewport3D in Windows XP? | CC BY-SA 3.0 | 0 | 2008-09-02T13:08:22.337 | 2016-06-09T16:06:10.733 | 2016-06-09T16:06:10.733 | 5,733,399 | 4,227 | [
"wpf",
"windows-xp",
"3d",
"antialiasing",
"viewport3d"
] |
39,464 | 2 | null | 39,447 | 0 | null | How do the filtered elements need to be accessed? If it's through an Iterator then maybe you could write a custom iterator that skips the elements you don't want publicly visible?
If you need to provide a Collection then you might need to write your own Collection class, which just proxies to the underlying Collectio... | null | CC BY-SA 2.5 | null | 2008-09-02T13:10:27.510 | 2008-09-02T13:10:27.510 | null | null | 1,409 | null |
39,466 | 2 | null | 39,457 | 3 | null | Since C isn't a [regular language](http://en.wikipedia.org/wiki/Regular_language) and C function calls can contain arbitrary argument expressions, I fear the answer to your question is “no.”
| null | CC BY-SA 2.5 | null | 2008-09-02T13:10:49.973 | 2008-09-02T13:10:49.973 | null | null | 1,968 | null |
39,463 | 2 | null | 39,438 | 1 | null | Watch out for the difference in the way the empty string is treated.
`INSERT INTO atable (a_varchar_column) VALUES ('');`
is the same as
```
INSERT INTO atable (a_varchar_column) VALUES (NULL);
```
I have no `sqlserver` experience, but I understand that it differentiates between the two
| null | CC BY-SA 3.0 | null | 2008-09-02T13:10:26.857 | 2015-12-04T04:51:27.403 | 2015-12-04T04:51:27.403 | 4,701,699 | 3,590 | null |
39,467 | 2 | null | 39,447 | 15 | null | Try a method that returns an enumeration using yield:
```
IEnumerable<T> FilterCollection<T>( ReadOnlyCollection<T> input ) {
foreach ( T item in input )
if ( /* criterion is met */ )
yield return item;
}
```
| null | CC BY-SA 2.5 | null | 2008-09-02T13:11:08.867 | 2010-09-13T01:34:36.987 | 2010-09-13T01:34:36.987 | 33,225 | 905 | null |
39,470 | 2 | null | 16,491 | 10 | null | You cannot do this through the SSMS GUI, but you can do it using a script. RESTORE DATABASE from DISK='\unc\path\filename' If you need this process automated, the best way is to setup a SQL Server Job and run it as a user with access to the file location.
| null | CC BY-SA 2.5 | null | 2008-09-02T13:12:21.983 | 2008-09-02T13:12:21.983 | null | null | 2,012 | null |
39,468 | 1 | 39,478 | null | 2 | 9,239 | I've got a Windows DLL that I wrote, written in C/C++ (all exported functions are 'C'). The DLL works fine for me in VC++. I've given the DLL to another company who do all their development in VB. They seem to be having a problem linking to the functions. I haven't used VB in ten years and I don't even have it installe... | Calling DLL functions from VB6 | CC BY-SA 3.0 | null | 2008-09-02T13:11:25.887 | 2013-07-01T14:35:20.750 | 2013-07-01T14:35:20.750 | 214,671 | 3,685 | [
"c++",
"c",
"vb6"
] |
39,465 | 2 | null | 39,374 | 2 | null | I don't think it's a subjective question, but it's too broad! It's not just about commenting and giving good variables names. It deals with how humans comprehends code. So your system must be implemented in a way that the reader can easily construct a mental model of its design in two way:
- Top-down: assuming the use... | null | CC BY-SA 2.5 | null | 2008-09-02T13:10:31.050 | 2009-01-06T16:37:04.797 | 2009-01-06T16:37:04.797 | 22,704 | 4,213 | null |
39,472 | 2 | null | 39,365 | 14 | null | The way I and my partner did it was we each made our own private Facebook applications, that pointed to our IP address where we worked on it. Since we worked in the same place, we each picked a different port, and had our router forward that port to our local IP address. It was kinda slow to refresh a page, but it work... | null | CC BY-SA 2.5 | null | 2008-09-02T13:12:55.867 | 2008-09-02T13:12:55.867 | null | null | 823 | null |
39,449 | 2 | null | 39,391 | 17 | null | If you retrieve the `URLConnection` object using `openConnection()` it doesn't actually start communicating with the server. That doesn't happen until you get the stream from the `URLConnection()`. When you first get the connection you can add/change headers and other connection properties before actually opening it.... | null | CC BY-SA 3.0 | null | 2008-09-02T13:06:11.263 | 2016-11-28T04:43:12.093 | 2016-11-28T04:43:12.093 | 1,672,920 | 1,409 | null |
39,447 | 1 | 39,467 | null | 11 | 2,140 | I have a class property exposing an internal IList<> through
```
System.Collections.ObjectModel.ReadOnlyCollection<>
```
How can I pass a part of this `ReadOnlyCollection<>` without copying elements into a new array (I need a live view, and the target device is short on memory)? I'm targetting Compact Framework 2.0.... | How can I expose only a fragment of IList<>? | CC BY-SA 2.5 | 0 | 2008-09-02T13:05:48.630 | 2010-09-13T01:34:36.987 | 2008-09-24T15:26:01.903 | 12,870 | 3,205 | [
"c#",
"windows-mobile",
"compact-framework",
".net-2.0"
] |
39,469 | 2 | null | 39,447 | 1 | null | Depending on how you need to filter the collection, you may want to create a class that implements IList (or IEnumerable, if that works for you) but that mucks about with the indexing and access to only return the values you want. For example
```
class EvenList: IList
{
private IList innerList;
public EvenList... | null | CC BY-SA 2.5 | null | 2008-09-02T13:11:46.320 | 2008-09-02T13:11:46.320 | null | null | 1,199 | null |
39,473 | 1 | 99,990 | null | 11 | 17,238 | I'm currently implementing a raytracer. Since raytracing is extremely computation heavy and since I am going to be looking into CUDA programming anyway, I was wondering if anyone has any experience with combining the two. I can't really tell if the computational models match and I would like to know what to expect. I g... | raytracing with CUDA | CC BY-SA 2.5 | 0 | 2008-09-02T13:12:56.273 | 2015-07-28T01:12:30.157 | null | null | 4,055 | [
"cuda",
"raytracing"
] |
39,475 | 1 | 39,927 | null | 9 | 8,299 | Hello I have the following error by git-fsck, which cannot be cleaned by git-gc even in --aggressive mode. What can I do next to fix this repository error?
```
$ git-fsck
bad sha1 file: .git/objects/55/tmp_obj_a07724
```
| Git "bad sha1 file" error | CC BY-SA 3.0 | 0 | 2008-09-02T13:14:49.030 | 2018-03-21T11:10:38.050 | 2015-02-14T21:05:09.960 | 2,174,085 | 2,313 | [
"git",
"version-control"
] |
39,479 | 2 | null | 39,468 | 3 | null | Try adding __stdcall at the end
```
#define MYDCC_API __declspec(dllexport) __stdcall
```
We have some C++ dlls that interact with our old VB6 apps and they all have that at the end.
| null | CC BY-SA 2.5 | null | 2008-09-02T13:16:30.257 | 2008-09-02T13:16:30.257 | null | null | 2,098 | null |
39,477 | 2 | null | 18,197 | 1 | null | There are many ways to test the usability of a system. Please check any available literature you can find. I just want to insist that usability test is not so hard as you or anyone might think. In a famous paper called "A mathematical model of the finding of usability problems" in INTERACT'93 and CHI'93, J. Nielsen and... | null | CC BY-SA 2.5 | null | 2008-09-02T13:15:35.157 | 2008-09-02T13:15:35.157 | null | null | 3,388 | null |
39,482 | 2 | null | 39,476 | 426 | null | Iteration. It creates a state machine "under the covers" that remembers where you were on each additional cycle of the function and picks up from there.
| null | CC BY-SA 3.0 | null | 2008-09-02T13:17:23.250 | 2014-02-14T17:55:38.410 | 2014-02-14T17:55:38.410 | 3,043 | 3,043 | null |
39,474 | 1 | 39,590 | null | 40 | 45,904 | Does anyone know how to get IntelliSense to work reliably when working in C/C++ projects? It seems to work for about 1 in 10 files. Visual Studio 2005 seems to be a lot better than 2008.
Edit: Whilst not necessarily a solution, the work-around provided here:
[How to get IntelliSense to reliably work in Visual Studio... | How to get IntelliSense to reliably work in Visual Studio 2008 | CC BY-SA 3.0 | 0 | 2008-09-02T13:13:36.567 | 2017-04-30T02:46:48.040 | 2017-05-23T10:31:22.283 | -1 | 986 | [
"c++",
"c",
"visual-studio-2008",
"intellisense"
] |
39,476 | 1 | 39,496 | null | 1,015 | 465,839 | In the [How Can I Expose Only a Fragment of IList<>](https://stackoverflow.com/questions/39447/how-can-i-expose-only-a-fragment-of-ilist) question one of the answers had the following code snippet:
```
IEnumerable<object> FilteredList()
{
foreach(object item in FullList)
{
if(IsItemInPartialList(item))... | What is the yield keyword used for in C#? | CC BY-SA 4.0 | 0 | 2008-09-02T13:15:24.877 | 2021-11-06T18:23:24.600 | 2019-07-15T07:33:09.810 | 2,631,925 | 1,409 | [
"c#",
"yield"
] |
39,486 | 2 | null | 39,476 | 7 | null | It's producing enumerable sequence. What it does is actually creating local IEnumerable sequence and returning it as a method result
| null | CC BY-SA 2.5 | null | 2008-09-02T13:18:25.493 | 2008-09-02T13:18:25.493 | null | null | 1,196 | null |
39,481 | 2 | null | 39,447 | 8 | null | These foreach samples are fine, though you can make them much more terse if you're using .NET 3.5 and LINQ:
```
return FullList.Where(i => IsItemInPartialList(i)).ToList();
```
| null | CC BY-SA 2.5 | null | 2008-09-02T13:17:10.303 | 2008-09-02T13:17:10.303 | null | null | 1,554 | null |
39,480 | 2 | null | 39,374 | 0 | null | From being a developer with several years under the belt, this used to be a real question for me. I couldn't even say how many hours I passed thinking about this and trying different things in my code. The above answers are very nice too. I just want to add a thing or two.
- We each have different things that make our... | null | CC BY-SA 3.0 | null | 2008-09-02T13:17:09.053 | 2014-02-03T12:58:03.250 | 2014-02-03T12:58:03.250 | 759,866 | 4,225 | null |
39,478 | 2 | null | 39,468 | 4 | null | By using `__declspec` for export, the function name will get exported , i.e. contain type information to help the C++ compiler resolve overloads.
VB6 cannot handle mangled names. As a workaround, you have to de-mangle the names. The easiest solution is to link the DLL file using an [export definition](http://msdn.micr... | null | CC BY-SA 2.5 | null | 2008-09-02T13:16:15.530 | 2008-09-02T13:16:15.530 | null | null | 1,968 | null |
39,485 | 1 | 41,887 | null | 7 | 18,691 | Does anyone know of anywhere I can find actual code examples of Software Phase Locked Loops (SPLLs) ?
I need an SPLL that can track a PSK modulated signal that is somewhere between 1.1 KHz and 1.3 KHz. A Google search brings up plenty of academic papers and patents but nothing usable. Even a trip to the University li... | Software Phase Locked Loop example code needed | CC BY-SA 2.5 | 0 | 2008-09-02T13:18:19.410 | 2012-02-02T19:25:58.727 | null | null | 3,875 | [
"signal-processing"
] |
39,489 | 2 | null | 38,766 | 1 | null | I prefer to use Server Aliases in the SQL Client Configuration. That way, when you decide to point the package to another SQL Server it is as simple as editing the alias to point to the new server, no editing necessary in the SSIS package. When moving the package to a live server, you need to add the aliases, and it ... | null | CC BY-SA 2.5 | null | 2008-09-02T13:19:11.420 | 2008-09-02T13:19:11.420 | null | null | 2,012 | null |
39,483 | 2 | null | 39,476 | 12 | null | It is a very simple and easy way to create an enumerable for your object. The compiler creates a class that wraps your method and that implements, in this case, IEnumerable<object>. Without the yield keyword, you'd have to create an object that implements IEnumerable<object>.
| null | CC BY-SA 2.5 | null | 2008-09-02T13:17:36.340 | 2008-09-02T13:17:36.340 | null | null | null | null |
39,487 | 2 | null | 39,371 | 5 | null | There is one killer-reason to validate on both the client-side and on the database-side, and that is . Especially when you start using AJAX-stuff, hackable URLs and other things that make your site (in this case) more friendly to users hackers.
Validate on the client to provide a smooth experience to early tell the u... | null | CC BY-SA 2.5 | null | 2008-09-02T13:18:55.120 | 2008-09-02T13:18:55.120 | null | null | 2,429 | null |
39,497 | 2 | null | 39,395 | -6 | null | ```
public double PI = 22.0 / 7.0;
```
| null | CC BY-SA 3.0 | null | 2008-09-02T13:24:04.450 | 2012-07-03T13:13:38.907 | 2012-07-03T13:13:38.907 | 142,162 | 2,131 | null |
39,500 | 2 | null | 39,365 | 6 | null | You'll have to add both trunk and test versions as different applications and test them using [test accounts](http://developers.facebook.com/news.php?blog=1&story=35). You may also use a single application and switch its target URL between cycles.
| null | CC BY-SA 2.5 | null | 2008-09-02T13:25:15.760 | 2008-09-02T13:25:15.760 | null | null | 3,583 | null |
39,498 | 2 | null | 39,454 | 2 | null | Have you tried this (from your thread on MSDN forums)?
> Well, it seems the reference in the MSDN link above incorrectly specify the affected registry root key. In MSDN it is specified as HKEY_CURRENT_USER, while the correct root key should be HKEY_LOCAL_MACHINE. I've tried setting up the HKEY_LOCAL_MACHINE\Software\M... | null | CC BY-SA 2.5 | null | 2008-09-02T13:24:31.890 | 2008-09-02T13:24:31.890 | null | null | null | null |
39,488 | 2 | null | 39,476 | 34 | null | Intuitively, the keyword returns a value from the function without leaving it, i.e. in your code example it returns the current `item` value and then resumes the loop. More formally, it is used by the compiler to generate code for an . Iterators are functions that return `IEnumerable` objects. The [MSDN](http://msdn.mi... | null | CC BY-SA 2.5 | null | 2008-09-02T13:19:09.533 | 2008-09-02T13:19:09.533 | null | null | 1,968 | null |
39,502 | 2 | null | 39,233 | 2 | null | Your best bet will probably be to use the Windows32 API for this. See [this MSDN article](http://msdn.microsoft.com/en-us/library/aa155724(office.10).aspx) for sample VBA code on how to interact with the API.
The article outlines a few different techniques, but I'd suggest searching the article for "COMDLG32.dll" and ... | null | CC BY-SA 3.0 | null | 2008-09-02T13:26:36.690 | 2012-07-20T13:30:22.197 | 2012-07-20T13:30:22.197 | 698,590 | 2,833 | null |
39,501 | 2 | null | 39,374 | 1 | null | Since everyone else said pretty much what I'm thinking when I read this question, I'll just share two books related to this subject that you might be interested in reading. These books use open source code examples to explain how to read and write high quality code. In addition to Code Complete, I think they are valuab... | null | CC BY-SA 2.5 | null | 2008-09-02T13:26:18.750 | 2008-09-02T13:26:18.750 | null | null | 572 | null |
39,496 | 2 | null | 39,476 | 914 | null | The `yield` contextual keyword actually does quite a lot here.
The function returns an object that implements the `IEnumerable<object>` interface. If a calling function starts `foreach`ing over this object, the function is called again until it "yields". This is syntactic sugar introduced in . In earlier versions you h... | null | CC BY-SA 4.0 | null | 2008-09-02T13:23:16.200 | 2021-03-25T11:45:03.707 | 2021-03-25T11:45:03.707 | 2,063,755 | 3,320 | null |
39,514 | 2 | null | 14,872 | 4 | null | Generally the user that you are using to run the SQL Server service will not have access to your personal user folders, that is why you're getting the error. You either need to change the credentials used for the service, or move the database to another folder, which did the trick in your case.
| null | CC BY-SA 2.5 | null | 2008-09-02T13:29:56.573 | 2008-09-02T13:29:56.573 | null | null | 2,012 | null |
39,507 | 2 | null | 39,476 | 151 | null | Recently Raymond Chen also ran an interesting series of articles on the yield keyword.
- [The implementation of iterators in C# and its consequences (part 1)](https://devblogs.microsoft.com/oldnewthing/20080812-00/?p=21273)- [The implementation of iterators in C# and its consequences (part 2)](https://devblogs.microso... | null | CC BY-SA 4.0 | null | 2008-09-02T13:27:46.767 | 2019-03-29T11:37:30.447 | 2019-03-29T11:37:30.447 | 6,499,326 | 2,491 | null |
39,510 | 2 | null | 38,901 | 1 | null | I'm using a slightly modified version of that plugin so I'm not 100% sure that this will be the same for you, but for me the default is to redirect to the root path, or the page you were trying to get to if there is one. (check your lib/authenticated_system.rb to see your default) If you don't have map.root defined i... | null | CC BY-SA 2.5 | null | 2008-09-02T13:28:17.263 | 2008-09-02T13:28:17.263 | null | null | 3,230 | null |
39,515 | 2 | null | 38,589 | 1 | null | The problem is your connection string. When using SQLExpress you can set it to run user instances so that each application has its own instance of SQL Server. Just set the option to false on your connections string and the problem should dissappear.
| null | CC BY-SA 2.5 | null | 2008-09-02T13:31:39.237 | 2008-09-02T13:31:39.237 | null | null | 2,012 | null |
39,491 | 2 | null | 39,395 | 4 | null | Good overview of different algorithms:
- [Computing pi](http://en.wikipedia.org/wiki/Computing_%CF%80)- [Gauss-Legendre-Salamin](http://en.wikipedia.org/wiki/Gauss%E2%80%93Legendre_algorithm)
I'm not sure about the complexity claimed for the Gauss-Legendre-Salamin algorithm in the first link (I'd say O(N log^2(N) log... | null | CC BY-SA 2.5 | null | 2008-09-02T13:20:01.700 | 2008-09-02T19:57:55.457 | 2008-09-02T19:57:55.457 | 2,638 | 2,638 | null |
39,512 | 2 | null | 19 | 126 | null | I really like this program, because it approximates π by looking at its own area.
IOCCC 1988 : [westley.c](http://www0.us.ioccc.org/1988/westley.c)
> ```
#define _ -F<00||--F-OO--;
int F=00,OO=00;main(){F_OO();printf("%1.3f\n",4.*-F/OO/OO);}F_OO()
{
_-_-_-_
_-_-_-_-_-_-_-_-_
_-_-_-_-_-_-_-_-_-... | null | CC BY-SA 4.0 | null | 2008-09-02T13:28:51.537 | 2018-09-03T05:27:55.980 | 2018-09-03T05:27:55.980 | 10,221,765 | 238 | null |
39,513 | 2 | null | 39,053 | 1 | null | Not sure if this is the same issue?
[JBoss DataSource config](http://www.redhat.com/docs/manuals/jboss/jboss-eap-4.2/doc/Server_Configuration_Guide/Connectors_on_JBoss-Configuring_JDBC_DataSources.html)
> DataSource wrappers are not usable outside of the server VM
| null | CC BY-SA 2.5 | null | 2008-09-02T13:29:15.937 | 2008-09-02T13:29:15.937 | null | null | 3,295 | null |
39,516 | 2 | null | 36,742 | 0 | null | @Motti: Combining the `grep`s isn't working, it's having no effect.
I understand that without the trailing `$` something else may folow the checksum & still match, but it didn't work at all with it so I had no choice...
GNU grep 2.5.3 and GNU bash 3.2.39(1) if that makes any difference.
And it looks like the log fil... | null | CC BY-SA 2.5 | null | 2008-09-02T13:32:52.013 | 2008-09-02T13:32:52.013 | null | null | 3,715 | null |
39,519 | 2 | null | 39,454 | 0 | null | Does your video card support Shader 2.0? You can refer [to this wiki page](http://en.wikipedia.org/wiki/Pixel_shader) to see if it does...
| null | CC BY-SA 2.5 | null | 2008-09-02T13:33:22.150 | 2008-09-02T13:33:22.150 | null | null | null | null |
39,522 | 2 | null | 38,589 | 0 | null | @baldy
Thanks. I'll look at as well. Oddly enough though I didn't change the connection string at all. And when I created a new project and tried to drag-n-drop a DB into the LINQ to SQL diagram that error was raised then as well.
| null | CC BY-SA 2.5 | null | 2008-09-02T13:34:50.417 | 2008-09-02T13:34:50.417 | null | null | 3,747 | null |
39,517 | 1 | 39,634 | null | 6 | 1,470 | I've been using PostgreSQL a little bit lately, and one of the things that I think is cool is that you can use languages other than SQL for scripting functions and whatnot. But when is this actually useful?
For example, the documentation says that the main use for PL/Perl is that it's pretty good at text manipulation... | Languages other than SQL in postgres | CC BY-SA 2.5 | 0 | 2008-09-02T13:32:54.447 | 2012-07-24T15:20:47.963 | 2008-09-02T16:02:36.597 | 619 | 2,147 | [
"sql",
"database",
"postgresql",
"trusted-vs-untrusted"
] |
39,503 | 1 | null | null | 7 | 16,184 | I need to modify the MBR of Windows, and I would really like to do this from Windows.
Here are my questions. I know that I can get a handle on a physical device with a call to CreateFile. Will the MBR always be on \\.\PHYSICALDRIVE0? Also, I'm still learning the Windows API to read directly from the disk. Is readabsol... | Modifying the MBR of Windows | CC BY-SA 2.5 | 0 | 2008-09-02T13:26:43.197 | 2014-12-20T18:16:26.647 | 2009-02-27T16:49:42.897 | 5,640 | 2,171 | [
"windows",
"mbr"
] |
39,518 | 2 | null | 39,474 | 32 | null | Native C++ intellisense does not work reliably in any version of Visual Studio. I find there are two common problems:
1) Header file paths are not set-up correctly. When you find a type where intellisense is not working, use the IDE to click through each header file to find the one containing the type. (Right click o... | null | CC BY-SA 2.5 | null | 2008-09-02T13:33:01.607 | 2008-09-02T14:30:39.580 | 2017-05-23T12:34:21.850 | -1 | 887 | null |
39,521 | 2 | null | 38,661 | 1 | null | You can also create an ISAPI filter that re-writes urls. The user enters a url with no extension, but the filter will interpret the request so that it does. Note that in IIS it's real easy to screw this up, so you might want to find a pre-written one. I haven't used any myself so I can't recommend a specific product... | null | CC BY-SA 2.5 | null | 2008-09-02T13:34:49.417 | 2008-09-02T13:34:49.417 | null | null | 3,043 | null |
39,529 | 2 | null | 13,540 | 1 | null | Your logic seems sound, but you might want to consider adding some code to prevent the insert if you had passed in a specific primary key.
Otherwise, if you're always doing an insert if the update didn't affect any records, what happens when someone deletes the record before you "UPSERT" runs? Now the record you were... | null | CC BY-SA 3.0 | null | 2008-09-02T13:37:56.477 | 2012-05-16T20:31:28.577 | 2012-05-16T20:31:28.577 | 12,971 | 3,743 | null |
39,533 | 1 | 39,619 | null | 37 | 45,080 | Is there a way to identify, from within a VM, that your code is running inside a VM?
I guess there are more or less easy ways to identify specific VM systems, especially if the VM has the provider's extensions installed (such as for VirtualBox or VMWare). But is there a general way to identify that you are not running... | How to identify that you're running under a VM? | CC BY-SA 2.5 | 0 | 2008-09-02T13:39:47.610 | 2018-06-27T05:39:46.787 | null | null | 107 | [
"virtualization"
] |
39,526 | 2 | null | 39,474 | 2 | null | > I don't use VS2008 for C++, only VB & C#, but I find that when intellisense stops working (true for VS2003/2005/2008) it's because something in the project/file is broken - usually a bad reference or code.
VB and C# have much better intellisense support due to the ability to reflect on the referenced assemblies to b... | null | CC BY-SA 2.5 | null | 2008-09-02T13:36:33.547 | 2008-09-02T13:36:33.547 | null | null | 1,965 | null |
39,525 | 1 | null | null | 4 | 2,010 | I've encountered the following problem pattern frequently over the years:
- I'm writing complex code for a package comprised of a standalone application and also a library version of the core that people can use from inside other apps.- Both our own app and presumably ones that users create with the core library are l... | Error handling / error logging in C++ for library/app combo | CC BY-SA 2.5 | null | 2008-09-02T13:36:26.543 | 2008-09-04T18:55:32.623 | null | null | 3,832 | [
"c++",
"api",
"error-handling",
"error-logging",
"api-design"
] |
39,535 | 2 | null | 38,661 | 1 | null | You can set the IIS6 to handle all requests, but the key to handle files without extensions is to tell the IIS not to look for the file.
[http://weblogs.asp.net/scottgu/archive/2007/03/04/tip-trick-integrating-asp-net-security-with-classic-asp-and-non-asp-net-urls.aspx](http://weblogs.asp.net/scottgu/archive/2007/03/0... | null | CC BY-SA 2.5 | null | 2008-09-02T13:42:09.337 | 2008-09-02T13:42:09.337 | null | null | 2,429 | null |
39,534 | 2 | null | 39,474 | 1 | null | @[John Richardson](https://stackoverflow.com/questions/39474/how-to-get-intellisense-to-reliably-work-in-visual-studio-2008#39518) / @[Jonathan Holland](https://stackoverflow.com/questions/39474/how-to-get-intellisense-to-reliably-work-in-visual-studio-2008#39526)
My includes are setup correctly, no problems there. I'... | null | CC BY-SA 2.5 | null | 2008-09-02T13:41:26.873 | 2008-09-02T13:41:26.873 | 2017-05-23T12:17:57.273 | -1 | 986 | null |
39,544 | 2 | null | 39,541 | 0 | null | Make an array of controls.
```
TextBox[] textboxes = new TextBox[] {
textBox1,
textBox2,
textBox3
};
```
| null | CC BY-SA 2.5 | null | 2008-09-02T13:45:55.617 | 2008-09-02T13:45:55.617 | null | null | 267 | null |
39,542 | 2 | null | 39,533 | 5 | null | In most cases, you shouldn't try to. You shouldn't care if someone is running your code in a VM, except in a few specific cases.
If you need to, in Linux the most common way is to look at `/sys/devices/virtual/dmi/id/product_name`, which will list the name of the laptop/mainboard on most real systems, and the hypervis... | null | CC BY-SA 3.0 | null | 2008-09-02T13:45:10.203 | 2014-02-18T15:47:25.817 | 2014-02-18T15:47:25.817 | 2,018 | 2,018 | null |
39,543 | 2 | null | 39,392 | 7 | null | I can see the main benefit of employing XSLT to transform your data and display it to the user would be the following:
- - -
If this is to be the only output for your data, and it is not in XML format, then XSLT might not be the best solution.
Likewise if user interaction is required (such as editing of the data) t... | null | CC BY-SA 2.5 | null | 2008-09-02T13:45:10.470 | 2008-09-02T13:45:10.470 | null | null | 1,908 | null |
39,548 | 2 | null | 39,541 | 4 | null | Another nice thing that VB .NET does is having a single event handler that handles multiple controls:
```
Private Sub TextBox_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) _
Handles TextBox1.TextChanged, _
TextBox2.TextChanged, _
TextBox3.TextChanged
End Sub
```
| null | CC BY-SA 2.5 | null | 2008-09-02T13:49:00.710 | 2008-09-02T13:49:00.710 | null | null | 305 | null |
39,551 | 2 | null | 39,533 | 0 | null | If it VM does the job well, it should be invisible to the client that it's being virtualized. However, one can look at other clues.
I would imagine that looking for known drivers or software specific to the VM environment would be the best possible way.
For example, on a VMWare client running Windows, vmxnet.sys woul... | null | CC BY-SA 2.5 | null | 2008-09-02T13:50:17.087 | 2008-09-02T13:50:17.087 | null | null | 4,185 | null |
39,556 | 2 | null | 39,541 | 5 | null | Make a generic list of textboxes:
```
var textBoxes = new List<TextBox>();
// Create 10 textboxes in the collection
for (int i = 0; i < 10; i++)
{
var textBox = new TextBox();
textBox.Text = "Textbox " + i;
textBoxes.Add(textBox);
}
// Loop through and set new values on textboxes in collection
for (int i... | null | CC BY-SA 3.0 | null | 2008-09-02T13:51:33.183 | 2016-09-15T10:37:21.080 | 2016-09-15T10:37:21.080 | 2,429 | 2,429 | null |
39,536 | 1 | 39,672 | null | 8 | 2,648 | I have a fairly small MySQL database (a Textpattern install) on a server that I do not have SSH access to (I have FTP access only). I need to regularly download the live database to my local dev server on demand; i.e., I would like to either run a script and/or have a cron job running. What are some good ways of doing ... | How to download a live MySQL db into a local test db on demand, without SSH? | CC BY-SA 3.0 | 0 | 2008-09-02T13:42:16.530 | 2016-01-16T14:04:02.260 | 2015-06-06T12:12:46.153 | 1,944 | 1,944 | [
"php",
"mysql",
"ruby",
"database",
"mysql-management"
] |
39,541 | 1 | 39,556 | null | 10 | 11,980 | Maybe I just don't know .NET well enough yet, but I have yet to see a satisfactory way to implement this simple VB6 code easily in .NET (assume this code is on a form with N CommandButtons in array Command1() and N TextBoxes in array Text1()):
```
Private Sub Command1_Click(Index As Integer)
Text1(Index).Text = Ti... | What's the simplest .NET equivalent of a VB6 control array? | CC BY-SA 2.5 | 0 | 2008-09-02T13:44:13.997 | 2021-02-13T20:55:52.467 | 2009-03-26T12:35:44.883 | 15,639 | 4,228 | [
".net",
"vb6",
"vb6-migration",
"control-array"
] |
39,552 | 2 | null | 39,541 | 1 | null | VisualBasic .NET's compatibility library contains strong typed control arrays. This is what the upgrade wizard uses to replace the current VB6 control arrays.
However, A control array in VB6 is just a collection of objects with VB6 doing some syntax magic on the surface. In the .NET world, by removing this, they are f... | null | CC BY-SA 2.5 | null | 2008-09-02T13:50:48.490 | 2008-09-02T13:58:33.650 | 2008-09-02T13:58:33.650 | 1,965 | 1,965 | null |
39,559 | 2 | null | 18,172 | 2 | null | I agree with Robocopy as a solution...thats why the utility is called
> I've used Robocopy for this with excellent results. By default, it will retry every 30 seconds until the file gets across.
And by default, a million retries. That should be plenty for your intermittent connection.
It also does restartable tran... | null | CC BY-SA 2.5 | null | 2008-09-02T13:51:57.083 | 2008-09-02T13:51:57.083 | null | null | 2,418 | null |
39,555 | 2 | null | 39,536 | 0 | null | I would create a (Ruby) script to do a `SELECT * FROM ...` on all the databases on the server and then do a `DROP DATABASE ...` followed by a series of new `INSERT`s on the local copy. You can do a `SHOW DATABASES` query to list the databases dynamically. Now, this assumes that the table structure doesn't change, but i... | null | CC BY-SA 2.5 | null | 2008-09-02T13:51:29.673 | 2008-09-02T13:51:29.673 | null | null | 1,709 | null |
39,560 | 2 | null | 39,533 | 0 | null | One good example is that apparently doing a WMI query for the motherboard manufacturer, and if it returns "Microsoft" you're in a VM. Thought I believe this is only for VMWare. There are likely different ways to tell for each VM host software.
This article here [http://blogs.technet.com/jhoward/archive/2005/07/26/40... | null | CC BY-SA 2.5 | null | 2008-09-02T13:52:26.147 | 2008-09-02T13:52:26.147 | null | null | 194 | null |
39,553 | 2 | null | 39,541 | 2 | null | There are two aspects.
.NET readily supports arrays of controls, VB6 just had to use a workaround because otherwise, wiring up events was really hard. In .NET, wiring up events dynamically is easy.
However, the .NET form designer does not support control arrays for a simple reason: arrays of controls are created/exte... | null | CC BY-SA 2.5 | null | 2008-09-02T13:50:54.917 | 2008-09-02T13:50:54.917 | null | null | 1,968 | null |
39,545 | 2 | null | 39,536 | 1 | null | Is MySQL replication an option? You could even turn it on and off if you didn't want it constantly replicating.
This was a [good article](http://www.howtoforge.com/mysql_database_replication) on replication.
| null | CC BY-SA 2.5 | null | 2008-09-02T13:46:02.557 | 2008-09-02T13:46:02.557 | null | null | 305 | null |
39,563 | 2 | null | 39,533 | 7 | null | A more empirical approach is to check for known VM device drivers. You could write WMI queries to locate, say, the VMware display adapter, disk drive, network adapter, etc. This would be suitable if you knew you only had to worry about known VM host types in your environment. Here's [an example of doing this in Perl... | null | CC BY-SA 2.5 | null | 2008-09-02T13:53:12.900 | 2008-09-02T13:53:12.900 | null | null | 3,347 | null |
39,565 | 2 | null | 39,533 | 0 | null | You might be able to identify whether you're in a virtual machine by looking at the MAC address of your network connection. Xen for example typically recommends using a specific range of addresses 00:16:3e:xx:xx:xx.
This isn't guaranteed as it's up to the administrator of the system to specify what MAC address they li... | null | CC BY-SA 2.5 | null | 2008-09-02T13:53:27.517 | 2008-09-02T13:53:27.517 | null | null | 4,071 | null |
39,561 | 1 | 39,574 | null | 142 | 69,472 | Trying to get my css / C# functions to look like this:
```
body {
color:#222;
}
```
instead of this:
```
body
{
color:#222;
}
```
when I auto-format the code.
| Visual Studio 2005/2012: How to keep first curly brace on same line? | CC BY-SA 3.0 | 0 | 2008-09-02T13:52:48.050 | 2021-05-18T10:36:32.670 | 2013-10-03T21:02:10.553 | 1,599,191 | 26 | [
"visual-studio"
] |
39,564 | 1 | null | null | 4 | 2,892 | In my host, I currently have installed 2 wordpress applications, 1 phpBB forum and one MediaWiki.
Is there a way to merge the login so that all applications share the same credentials?
For instance, I want to register only in my phpBB and then I want to access all other applications with the given username and passwo... | Login Integration in PHP | CC BY-SA 2.5 | 0 | 2008-09-02T13:53:15.550 | 2015-04-06T11:36:35.657 | 2015-04-06T11:36:35.657 | 1,333,493 | 2,644 | [
"php",
"authentication",
"integration",
"mediawiki-extensions"
] |
39,566 | 2 | null | 39,395 | 0 | null | Regarding...
> ... how to go about it from a learning point of view.
Are you trying to learning to program scientific methods? or to produce production software? I hope the community sees this as a valid question and not a nitpick.
In either case, I think writing your own Pi is a solved problem. Dmitry showed the 'M... | null | CC BY-SA 2.5 | null | 2008-09-02T13:53:47.577 | 2008-09-02T13:53:47.577 | null | null | 3,619 | null |
39,573 | 2 | null | 39,561 | 30 | null | Tools -> Options -> Text Editor -> C# -> Formatting -> New Lines -> New Line Options for braces -> Uncheck all boxes.
| null | CC BY-SA 2.5 | null | 2008-09-02T13:55:19.960 | 2008-09-02T13:55:19.960 | null | null | 1,965 | null |
39,562 | 1 | 39,587 | null | 6 | 12,592 | A friend of mine is now building a web application with J2EE and Struts, and it's going to be prepared to display pages in several languages.
I was told that the best way to support a multi-language site is to use a properties file where you store all the strings of your pages, something like:
```
welcome.english = "... | How do you build a multi-language web site? | CC BY-SA 2.5 | 0 | 2008-09-02T13:52:56.083 | 2016-09-29T09:17:18.243 | 2016-09-29T09:17:18.243 | 6,700,857 | 1,679 | [
"database",
"jakarta-ee",
"web-applications",
"multilingual"
] |
39,569 | 2 | null | 39,533 | 3 | null | I once ran across an assembly code snippet that told you if you were in a VM....I googled but couldn't find the original article.
I did find this though: [Detect if your program is running inside a Virtual Machine](http://www.codeproject.com/KB/system/VmDetect.aspx).
Hope it helps.
| null | CC BY-SA 2.5 | null | 2008-09-02T13:54:44.050 | 2008-09-02T13:54:44.050 | null | null | 4,050 | null |
39,567 | 1 | 9,571,767 | null | 135 | 154,411 | In Ruby, given an array in one of the following forms...
```
[apple, 1, banana, 2]
[[apple, 1], [banana, 2]]
```
...what is the best way to convert this into a hash in the form of...
```
{apple => 1, banana => 2}
```
| What is the best way to convert an array to a hash in Ruby | CC BY-SA 2.5 | 0 | 2008-09-02T13:53:55.143 | 2021-08-11T15:41:13.090 | 2014-09-30T14:42:41.557 | 503,402 | 4,142 | [
"ruby",
"arrays",
"hashmap"
] |