Id int64 4 8.51M | PostTypeId int64 1 7 | AcceptedAnswerId int64 7 75.5M ⌀ | ParentId int64 4 41.8M ⌀ | Score int64 -208 27.7k | ViewCount int64 11 12.4M ⌀ | Body stringlengths 0 45k | Title stringlengths 2 150 ⌀ | ContentLicense stringclasses 3
values | FavoriteCount int64 0 225 ⌀ | CreationDate stringdate 2008-07-31 21:42:52 2011-12-14 18:48:47 | LastActivityDate stringdate 2008-08-01 12:19:17 2023-03-05 04:40:26 | LastEditDate stringdate 2008-08-01 13:54:25 2023-03-05 03:12:45 ⌀ | LastEditorUserId int64 -1 21.3M ⌀ | OwnerUserId int64 -1 21.1M ⌀ | Tags listlengths 1 6 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
30,004 | 1 | 30,388 | null | 6 | 1,941 | I'm creating a small database application to teach myself the following concepts
1. C# programming
2. .Net 3.5 framework
3. WPF
4. LINQ ORM
I want to use Microsoft Access as the database but I can't seem to find any mention of whether its possible to use SQLMetal to generate the ORM code from a Microsoft Access da... | Can you use LINQ tools such as SQLMetal with an access database? | CC BY-SA 3.0 | null | 2008-08-27T12:51:57.353 | 2017-08-04T14:13:03.640 | 2017-08-04T14:13:03.640 | 1,836,618 | 87,645 | [
"c#",
"linq-to-sql",
"ms-access"
] |
30,007 | 2 | null | 29,988 | -2 | null | ```
MailMessage msg = new MailMessage("someone@foo.com", "someoneelse@bar.com");
msg.Subject = "Check it out!";
msg.Body = "Visit stackoverflow.com!";
SmtpClient client = new SmtpClient("some.smtp.server", 25);
client.Send(msg);
```
| null | CC BY-SA 2.5 | null | 2008-08-27T12:53:31.670 | 2008-08-27T12:53:31.670 | null | null | 1,196 | null |
29,987 | 2 | null | 29,943 | 66 | null | IMO, this is the cleanest answer:
```
<form action="" method="get">
Name: <input type="text" name="name"/><br/>
Pwd: <input type="password" name="password"/><br/>
<div class="yourCustomDiv"/>
<input type="submit" style="display:none"/>
</form>
```
Better yet, if you are using javascript to submit the... | null | CC BY-SA 3.0 | null | 2008-08-27T12:38:30.893 | 2016-12-03T18:30:33.503 | 2017-05-23T10:31:39.507 | -1 | 96 | null |
30,012 | 2 | null | 30,005 | 215 | null | Have you tried:
```
$("#iFrameId").on("load", function () {
// do something once the iframe is loaded
});
```
| null | CC BY-SA 3.0 | null | 2008-08-27T12:55:50.667 | 2014-07-05T16:00:50.010 | 2014-07-05T16:00:50.010 | 1,414 | 1,414 | null |
30,008 | 2 | null | 29,995 | 3 | null | There are some good examples of simple-ish programming questions in Steve Yegge's article [Five Essential Phone Screen Questions](http://steve.yegge.googlepages.com/five-essential-phone-screen-questions) (under Area Number One: Coding). I find these are pretty good for doing on pen and paper. Also, the questions under ... | null | CC BY-SA 2.5 | null | 2008-08-27T12:53:38.550 | 2008-08-27T12:53:38.550 | null | null | 1,912 | null |
30,016 | 2 | null | 30,003 | 0 | null | Maybe you're not getting an exact match because the browser is lower-casing the entity or something. Try using a carat (^) and lower-case "v" just for testing.
Edited - My first theory was plain wrong.
| null | CC BY-SA 2.5 | null | 2008-08-27T12:59:46.337 | 2008-08-27T13:11:58.583 | 2008-08-27T13:11:58.583 | 619 | 619 | null |
30,003 | 1 | 30,020 | null | 11 | 7,195 | I have the following html code:
```
<h3 id="headerid"><span onclick="expandCollapse('headerid')">⇑</span>Header title</h3>
```
I would like to toggle between up arrow and down arrow each time the user clicks the span tag.
```
function expandCollapse(id) {
var arrow = $("#"+id+" span").html(); // I hav... | How to compare an html entity with jQuery | CC BY-SA 3.0 | 0 | 2008-08-27T12:51:26.073 | 2015-11-20T11:37:44.667 | 2015-11-20T11:37:44.667 | 3,218,692 | 2,138 | [
"javascript",
"jquery",
"html-entities"
] |
30,013 | 2 | null | 30,003 | 1 | null | Check out the [.toggle()](http://docs.jquery.com/Effects/toggle) effect.
Here is something similar i was playing with earlier.
HTML:
```
<div id="inplace">
<div id="myStatic">Hello World!</div>
<div id="myEdit" style="display: none">
<input id="myNewTxt" type="text" />
<input id="myOk" type="button" value="OK" />
<i... | null | CC BY-SA 3.0 | null | 2008-08-27T12:57:15.810 | 2013-06-08T18:46:19.410 | 2013-06-08T18:46:19.410 | 2,287,470 | 1,293 | null |
30,017 | 2 | null | 30,004 | 1 | null | AFAIK, Linq to SQL is MSSQL server provider specific. To be honest, SQL Express is pretty lightweight on todays machines.
BTW don't confuse LINQ with Linq to SQL. Linq is the underlying technology to provide "query" like support to .NET (amongst other things), where as L2S is effectively a Data Access technology built... | null | CC BY-SA 2.5 | null | 2008-08-27T13:00:22.963 | 2008-08-27T13:00:22.963 | null | null | 1,075 | null |
29,985 | 2 | null | 29,869 | 38 | null | If you on using a regex, something like this will work in most cases:
```
# Remove all HTML except "p" tags
$html =~ s{<(?>/?)(?:[^pP]|[pP][^\s>/])[^>]*>}{}g;
```
Explanation:
```
s{
< # opening angled bracket
(?>/?) # ratchet past optional /
(?:
[^pP] # non-p tag
| ... | null | CC BY-SA 2.5 | null | 2008-08-27T12:31:35.513 | 2008-08-27T13:46:34.413 | 2008-08-27T13:46:34.413 | 164 | 164 | null |
30,021 | 2 | null | 30,018 | 4 | null | ```
//author[contains(text(), 'Ritchie')]
```
| null | CC BY-SA 3.0 | null | 2008-08-27T13:03:23.253 | 2012-06-20T14:24:13.123 | 2012-06-20T14:24:13.123 | 183,791 | 96 | null |
30,019 | 2 | null | 30,018 | 4 | null | The XPath for this is:
```
/books/book/authors/author[contains(., 'Ritchie')]
```
In C# the following code would return "Ritchie, Dennis M.":
```
xmlDoc.SelectSingleNode("/books/book/authors/author[contains(., 'Ritchie')]").InnerText;
```
| null | CC BY-SA 2.5 | null | 2008-08-27T13:03:01.757 | 2008-08-27T14:05:40.450 | 2008-08-27T14:05:40.450 | 1,523 | 1,523 | null |
30,014 | 2 | null | 30,004 | 1 | null | I don't think SQL Express would be overkill if you want to learn real-world skills - quite the opposite in fact! That'd be my choice, and whatever I chose, I'd stay clear of Access.
Good luck
| null | CC BY-SA 2.5 | null | 2008-08-27T12:58:34.653 | 2008-08-27T12:58:34.653 | null | null | 3,201 | null |
30,022 | 2 | null | 29,700 | 1 | null | Programming WPF by Chris Sells and Ian Griffiths is an excellent way to learn WPF. 5 star rated on Amazon with 50+ reviews. [http://www.amazon.com/Programming-WPF-Chris-Sells/dp/0596510373](https://rads.stackoverflow.com/amzn/click/com/0596510373)
| null | CC BY-SA 2.5 | null | 2008-08-27T13:03:38.900 | 2008-08-27T13:03:38.900 | null | null | 3,194 | null |
30,018 | 1 | 30,023 | null | 16 | 11,757 | How can I use XPath to select an XML-node based on its content?
If I e.g. have the following xml and I want to select the <author>-node that contains Ritchie to get the author's full name:
```
<books>
<book isbn='0131103628'>
<title>The C Programming Language</title>
<authors>
<author... | How do I select an XML-node based on its content? | CC BY-SA 3.0 | 0 | 2008-08-27T13:01:25.770 | 2012-06-20T14:24:13.123 | 2011-09-02T08:06:15.887 | 1,523 | 1,523 | [
"xml",
"xpath"
] |
30,023 | 2 | null | 30,018 | 23 | null | ```
/books/book/authors/author[contains(., 'Ritchie')]
```
or
```
//author[contains(., 'Ritchie')]
```
| null | CC BY-SA 2.5 | null | 2008-08-27T13:04:16.217 | 2008-08-27T13:09:53.317 | 2008-08-27T13:09:53.317 | 1,196 | 1,196 | null |
30,026 | 1 | 30,034 | null | 10 | 1,417 | I've seen a lot of commonality in regex capabilities of different regex-enabled tools/languages (e.g. perl, sed, java, vim, etc), but I've also many differences.
Is there a subset of regex capabilities that all regex-enabled tools/languages will support? How do regex capabilities vary between tools/languages?
| Features common to all regex flavors? | CC BY-SA 2.5 | 0 | 2008-08-27T13:05:38.600 | 2009-11-23T02:22:36.737 | 2009-05-18T23:01:45.637 | 20,938 | 2,045 | [
"regex",
"language-agnostic"
] |
30,029 | 2 | null | 24,212 | 4 | null | You're doing it wrong if you are generating pixmaps inside any of the delegate methods (paint, draw...).
Try to generate the thumbnails only once (on worker thread or maybe not even at runtime, if possible) and have the delegate just display them for the appropriate role.
If you do it at runtime display a default pictu... | null | CC BY-SA 2.5 | null | 2008-08-27T13:06:36.647 | 2008-08-27T13:06:36.647 | null | null | 1,065 | null |
30,031 | 2 | null | 29,461 | 2 | null | Include an example of how making Java code more groovy takes away soooo much code. Wait for them to pick their jaws up off of the floor before continuing. Scott Davis has a simple example at the beginning of Groovy Recipes that takes 35 lines of Java or 3 lines of Groovy.
| null | CC BY-SA 2.5 | null | 2008-08-27T13:07:33.180 | 2008-08-27T13:07:33.180 | null | null | 3,014 | null |
30,020 | 2 | null | 30,003 | 17 | null | When the HTML is parsed, what JQuery sees in the DOM is a `UPWARDS DOUBLE ARROW` ("⇑"), not the entity reference. Thus, in your Javascript code you should test for `"⇑"` or `"\u21d1"`. Also, you need to change what you're switching to:
```
function expandCollapse(id) {
var arrow = $("#"+id+" span").html();
if(... | null | CC BY-SA 2.5 | null | 2008-08-27T13:03:20.977 | 2008-08-27T13:19:35.303 | 2008-08-27T13:19:35.303 | 2,679 | 2,679 | null |
30,028 | 2 | null | 4,689 | 0 | null | Consolas all the way.
| null | CC BY-SA 2.5 | null | 2008-08-27T13:06:25.790 | 2008-08-27T13:06:25.790 | null | null | 2,437 | null |
30,032 | 2 | null | 30,026 | 12 | null | [http://en.wikipedia.org/wiki/Comparison_of_regular_expression_engines](http://en.wikipedia.org/wiki/Comparison_of_regular_expression_engines)
Even more detailed: [http://www.regular-expressions.info/refflavors.html](http://www.regular-expressions.info/refflavors.html)
| null | CC BY-SA 2.5 | null | 2008-08-27T13:07:45.240 | 2008-08-27T13:07:45.240 | null | null | 1,065 | null |
30,025 | 2 | null | 29,971 | 1 | null | The approach I favour is the following setup (Actually assuming you are in a .NET project):
- - - - - - -
On many projects you find that there are different levels of tests and activities which take place when someone does a checkin. Sometimes these can increase in time to the point where it can be a long time after... | null | CC BY-SA 2.5 | null | 2008-08-27T13:05:02.703 | 2008-08-27T13:05:02.703 | null | null | 1,120 | null |
30,010 | 2 | null | 29,993 | 1 | null | What do you want to achieve?
Is this a question how video container types are structured?
See for example : [http://www.daubnet.com/formats/AVI.html](http://www.daubnet.com/formats/AVI.html)
That is a description how avi files are structured. Google may help you in finding other container file formats.
When you rec... | null | CC BY-SA 2.5 | null | 2008-08-27T12:55:43.100 | 2008-08-27T16:38:09.773 | 2008-08-27T16:38:09.773 | 3,186 | 3,186 | null |
30,034 | 2 | null | 30,026 | 12 | null | Compare Regular Expression Flavors
[http://www.regular-expressions.info/refflavors.html](http://www.regular-expressions.info/refflavors.html)
| null | CC BY-SA 2.5 | null | 2008-08-27T13:08:30.010 | 2008-08-27T13:08:30.010 | null | null | 1 | null |
30,036 | 1 | 30,197 | null | 154 | 165,907 | Is there some way to do multi-threading in JavaScript?
| JavaScript and Threads | CC BY-SA 2.5 | 0 | 2008-08-27T13:09:10.760 | 2021-10-28T23:01:31.250 | 2009-06-16T17:23:54.410 | 16,587 | 184 | [
"javascript",
"multithreading"
] |
30,044 | 2 | null | 29,869 | 1 | null | You also might want to allow for whitespace before the "p" in the p tag. Not sure how often you'll run into this, but < p> is perfectly valid HTML.
| null | CC BY-SA 2.5 | null | 2008-08-27T13:11:04.547 | 2008-08-27T13:11:04.547 | null | null | 1,862 | null |
30,050 | 2 | null | 30,036 | 11 | null | There's no true threading in JavaScript. JavaScript being the malleable language that it is, does allow you to emulate some of it. Here is an [example](http://www.neilmix.com/2007/02/07/threading-in-javascript-17/) I came across the other day.
| null | CC BY-SA 3.0 | null | 2008-08-27T13:13:46.987 | 2014-03-25T07:53:23.193 | 2014-03-25T07:53:23.193 | 60,281 | 2,491 | null |
30,043 | 2 | null | 30,036 | 3 | null | In raw Javascript, the best that you can do is using the few asynchronous calls (xmlhttprequest), but that's not really threading and very limited. [Google Gears](http://gears.google.com/) adds a number of APIs to the browser, some of which can be used for threading support.
| null | CC BY-SA 2.5 | null | 2008-08-27T13:10:51.300 | 2008-08-27T13:10:51.300 | null | null | 1,432 | null |
30,051 | 2 | null | 29,995 | 12 | null | I've been working on [http://projecteuler.net/](http://projecteuler.net/)
| null | CC BY-SA 2.5 | null | 2008-08-27T13:13:49.437 | 2008-08-27T13:13:49.437 | null | null | 1,490 | null |
30,039 | 2 | null | 30,003 | 1 | null | Use a class to signal the current state of the span.
The html could look like this
```
<h3 id="headerId"><span class="upArrow">⇑</span>Header title</h3>
```
Then in the javascript you do
```
$( '.upArrow, .downArrow' ).click( function( span ) {
if ( span.hasClass( 'upArrow' ) )
span.text( "⇓"... | null | CC BY-SA 2.5 | null | 2008-08-27T13:10:06.747 | 2008-08-27T13:10:06.747 | null | null | 550 | null |
30,047 | 2 | null | 29,995 | 1 | null | Quite a few online sites for competitive programming are full of sample questions/challenges, sorted by 'difficulty'. Quite often, the simpler categories in the 'algorithms' questions would suit you I think.
For example, check out [TopCoder](http://www.topcoder.com/) (algorithms section)!
Apart from that, 2 samples:
... | null | CC BY-SA 2.5 | null | 2008-08-27T13:12:32.623 | 2008-08-27T13:12:32.623 | null | null | 2,638 | null |
30,055 | 2 | null | 29,980 | 0 | null | You can put the Foo instances in a list and compare the objects with what you read:
```
var arrFoos = new Foos[]{...}; // what you expect
var expectedFoos = new List<Foo>(arrFoos); // make a list from the hardcoded array of expected Foos
var readerResult = ReadEntireList(reader); // read everything from reader and p... | null | CC BY-SA 2.5 | null | 2008-08-27T13:15:01.353 | 2008-08-27T13:15:01.353 | null | null | 1,065 | null |
30,054 | 2 | null | 30,026 | 1 | null | If you took the grep regexp grammar, not the egrep one, or the sed regexp grammar and used that you should be using a safe subset across many platforms and tools.
About the only thing that may bite you then is when you go shift between regexp implementations using Finite State Automatons (FSA) and ones using backtrack... | null | CC BY-SA 2.5 | null | 2008-08-27T13:14:23.897 | 2009-11-23T02:22:36.737 | 2009-11-23T02:22:36.737 | 22,364 | 2,974 | null |
30,060 | 2 | null | 29,943 | 0 | null | If you are using asp.net you can use the [defaultButton](http://msdn.microsoft.com/en-us/library/system.web.ui.htmlcontrols.htmlform.defaultbutton(VS.80).aspx) attribute on the form.
| null | CC BY-SA 2.5 | null | 2008-08-27T13:16:27.667 | 2008-08-27T13:16:27.667 | null | null | 1,736 | null |
30,061 | 2 | null | 29,995 | 1 | null | I also like project euler, but I would like to point out that the questions get really tricky really fast. After the first 20 questions or so, they start to be problems most people won't be able to figure out in 1/2 an hour. Another problem is that a lot of them deal with math with really large numbers, that don't fi... | null | CC BY-SA 2.5 | null | 2008-08-27T13:16:29.947 | 2008-08-27T13:16:29.947 | null | null | 1,862 | null |
30,064 | 2 | null | 30,026 | 0 | null | There's no standard engine. However, the POSIX Extended Regular Expression format is a valid subset of most engines and is probably as close as you'll get to a standardised subset.
| null | CC BY-SA 2.5 | null | 2008-08-27T13:17:22.953 | 2008-08-27T13:17:22.953 | null | null | null | null |
30,058 | 1 | 30,079 | null | 70 | 99,047 | The [Apple Developer Documentation](http://developer.apple.com/documentation/AppleApplications/Reference/SafariWebContent/UsingiPhoneApplications/chapter_6_section_4.html) (link is dead now) explains that if you place a link in a web page and then click it whilst using Mobile Safari on the iPhone, the Google Maps appli... | How can I launch the Google Maps iPhone application from within my own native application? | CC BY-SA 3.0 | 0 | 2008-08-27T13:15:40.493 | 2019-04-07T12:07:38.073 | 2017-09-18T11:18:24.107 | 1,000,551 | 2,183 | [
"ios",
"objective-c",
"google-maps"
] |
30,062 | 1 | 30,072 | null | 149 | 212,204 | Yesterday I wanted to add a boolean field to an Oracle table. However, there isn't actually a boolean data type in Oracle. Does anyone here know the best way to simulate a boolean? Googling the subject discovered several approaches
1. Use an integer and just don't bother assigning anything other than 0 or 1 to it.... | Boolean Field in Oracle | CC BY-SA 2.5 | 0 | 2008-08-27T13:16:58.883 | 2016-10-04T17:07:00.250 | 2015-12-18T06:30:41.997 | 3,989,608 | 1,694 | [
"oracle",
"boolean",
"sqldatatypes"
] |
30,065 | 2 | null | 1,390 | 1 | null | Server Core won't be very useful (to me at least, and I think many others as well) until they get a version of .Net framework on it. Maybe a specialized subset like they have in the Compact Framework on smart phones.
| null | CC BY-SA 2.5 | null | 2008-08-27T13:17:55.963 | 2008-08-27T13:17:55.963 | null | null | 3,043 | null |
30,069 | 2 | null | 30,062 | 1 | null | In our databases we use an enum that ensures we pass it either TRUE or FALSE. If you do it either of the first two ways it is too easy to either start adding new meaning to the integer without going through a proper design, or ending up with that char field having Y, y, N, n, T, t, F, f values and having to remember w... | null | CC BY-SA 2.5 | null | 2008-08-27T13:22:06.610 | 2008-08-27T13:22:06.610 | null | null | 75 | null |
30,049 | 1 | 45,869 | null | 8 | 371 | I got embroiled in a discussion about DOM implementation quirks yesterday, with gave rise to an interesting question regarding Text.splitText and Element.normalise behaviours, and how they should behave.
In [DOM Level 1 Core](http://www.w3.org/TR/1998/REC-DOM-Level-1-19981001/level-one-core.html), Text.splitText is de... | Should DOM splitText and normalise compose to give the identity? | CC BY-SA 2.5 | 0 | 2008-08-27T13:13:34.600 | 2019-12-27T09:17:56.000 | 2019-12-27T09:17:56.000 | 1,200 | 1,200 | [
"xml",
"dom"
] |
30,066 | 1 | null | null | 10 | 20,519 | I'm looking for a way to redirect all the stderr streams in interactive bash (ideally to its calling parent process).
I don't want to redirect stderr stream from each individual command, which I could do by appending `2> a_file` to each command.
By default, these stderr streams are redirected to the stdout of an inte... | How to redirect all stderr in bash? | CC BY-SA 2.5 | null | 2008-08-27T13:19:17.100 | 2013-08-07T02:04:45.327 | 2009-04-08T19:35:12.253 | 2,284 | 1,044 | [
"linux",
"bash",
"shell"
] |
30,078 | 2 | null | 30,067 | 4 | null | Unless the developers you are working with are familiar with MVC pattern I wouldn't. At a minimum I'd talk with them first before making such a big change.
| null | CC BY-SA 2.5 | null | 2008-08-27T13:24:58.973 | 2008-08-27T13:24:58.973 | null | null | 1,433 | null |
30,077 | 2 | null | 29,927 | 1 | null | Have discovered that this only occurs when the script is run on a different drive to the one where the EXE is located. As a work around for this I have simply moved the scripts execution.
Apparently the DLL relates to SSL, which isn't relevant to what I'm doing, so this is a suitable workaround. I'm guessing that th... | null | CC BY-SA 2.5 | null | 2008-08-27T13:24:28.850 | 2008-08-27T13:24:28.850 | null | null | 1,755 | null |
30,057 | 2 | null | 30,026 | 1 | null | Most regular expression tools/languages support these [basic capabilities](http://www.regular-expressions.info/reference.html):
1. Character Classes/Sets and their Negation - []
2. Anchors - ^$
3. Alternation - |
4. Quantifiers - ?+*{n,m}
5. Metacharacters - \w, \s, \d, ...
6. Backreferences - \1, \2, ...
7. Dot - .
... | null | CC BY-SA 2.5 | null | 2008-08-27T13:15:30.370 | 2008-08-27T13:20:56.237 | 2008-08-27T13:20:56.237 | 792 | 792 | null |
30,080 | 1 | 30,109 | null | 35 | 17,644 | I have two points (a line segment) and a rectangle. I would like to know how to calculate if the line segment intersects the rectangle.
| How to know if a line intersects a plane in C#? | CC BY-SA 3.0 | 0 | 2008-08-27T13:26:56.113 | 2018-03-04T19:51:54.463 | 2018-03-04T13:22:35.773 | 3,924,118 | 623 | [
"c#",
"geometry",
"2d",
"computational-geometry"
] |
30,033 | 2 | null | 30,003 | 3 | null | If you do an alert of `arrow` what does it return? Does it return the exact string that you're matching against? If you are getting the actual characters `'⇓'` and `'⇑'` you may have to match it against `"\u21D1"` and `"\u21D3"`.
Also, you may want to try `⇑` and `⇓` since not all browsers support those en... | null | CC BY-SA 3.0 | null | 2008-08-27T13:07:58.297 | 2011-12-26T19:40:30.550 | 2011-12-26T19:40:30.550 | 1,414 | 1,414 | null |
30,074 | 1 | 30,090 | null | 13 | 5,413 | We have several .NET applications that monitor a directory for new files, using FileSystemWatcher. The files are copied from another location, uploaded via FTP, etc. When they come in, the files are processed in one way or another. However, one problem that I have never seen a satisfactory answer for is: for large file... | Monitoring files - how to know when a file is complete | CC BY-SA 2.5 | 0 | 2008-08-27T13:23:35.763 | 2022-03-15T16:39:29.247 | null | null | 2,144 | [
".net",
"filesystems"
] |
30,085 | 2 | null | 30,066 | 4 | null | You could launch a new bash process redirecting the stderr of that process:
```
$ bash -i 2> stderr.log
$
```
| null | CC BY-SA 2.5 | null | 2008-08-27T13:27:48.217 | 2008-08-27T13:27:48.217 | null | null | 2,406 | null |
30,084 | 2 | null | 30,067 | 1 | null | I wouldn't recommend just making the switch on an existing project. Perhaps start a small "demo" project that the team can use to experiment with the technology and (if necessary) learn what they need to and demonstrate to management that it is worthwhile to make the switch. In the end, even the dev team might realize ... | null | CC BY-SA 2.5 | null | 2008-08-27T13:27:43.413 | 2008-08-27T13:27:43.413 | null | null | 572 | null |
30,083 | 2 | null | 29,700 | 4 | null | Sacha Barber has a great series of articles on WPF for Beginners over at Codeproject that you can check out.
- [An Introduction to the WPF Layout System](http://www.codeproject.com/KB/WPF/BeginWPF1.aspx)- [An introduction into XAML / code and WPF resources](http://www.codeproject.com/KB/WPF/BeginWPF2.aspx)- [An introd... | null | CC BY-SA 2.5 | null | 2008-08-27T13:27:27.783 | 2008-08-27T13:27:27.783 | null | null | 2,016 | null |
30,072 | 2 | null | 30,062 | 84 | null | I found [this](http://www.techrepublic.com/article/oracle-tip-choosing-an-efficient-design-for-boolean-column-values/) link useful.
Here is the paragraph highlighting some of the pros/cons of each approach.
> The most commonly seen design is to imitate the many Boolean-like
flags that Oracle's data dictionary views... | null | CC BY-SA 3.0 | null | 2008-08-27T13:23:06.247 | 2015-08-19T23:35:44.170 | 2015-08-19T23:35:44.170 | 811 | 1,223 | null |
30,090 | 2 | null | 30,074 | 1 | null | Have you tried getting a write lock on the file? If it's being written to, that should fail, and you know to leave it alone for a bit...
| null | CC BY-SA 2.5 | null | 2008-08-27T13:28:47.933 | 2008-08-27T13:28:47.933 | null | null | 96 | null |
30,067 | 1 | 52,893 | null | 52 | 9,737 | I just listened to the StackOverflow team's 17th podcast, and they talked so highly of [ASP.NET MVC](http://www.asp.net/mvc/) that I decided to check it out.
But first, I want to be sure it's worth it. I already created a base web application (for other developers to build on) for a project that's starting in a few da... | Should I migrate to ASP.NET MVC? | CC BY-SA 3.0 | 0 | 2008-08-27T13:20:15.287 | 2012-07-13T06:40:24.413 | 2012-07-13T06:40:24.413 | 727,208 | 1,782 | [
"asp.net-mvc"
] |
30,092 | 2 | null | 30,074 | 2 | null | You probably have to go with some out of band signaling: have the producer of "file.ext" write a dummy "file.ext.end".
| null | CC BY-SA 2.5 | null | 2008-08-27T13:29:13.503 | 2008-08-27T13:29:13.503 | null | null | 1,065 | null |
30,091 | 2 | null | 30,062 | 25 | null | To use the least amount of space you should use a CHAR field constrained to 'Y' or 'N'. Oracle doesn't support BOOLEAN, BIT, or TINYINT data types, so CHAR's one byte is as small as you can get.
| null | CC BY-SA 2.5 | null | 2008-08-27T13:29:07.233 | 2008-08-27T13:29:07.233 | null | null | 1,288 | null |
30,093 | 2 | null | 26,094 | 3 | null | Doing your own BigNum library is complicated, so i'd say like jjnguy. Use whatever your language offers as libraries.
In .net, reference the VisualJ dll as they contain the BigInteger and BigDecimal classes. You should however be aware of some limitations of these libraries, like the lack of a square root method, for ... | null | CC BY-SA 2.5 | null | 2008-08-27T13:29:33.237 | 2008-08-27T13:29:33.237 | null | null | 3,204 | null |
30,097 | 2 | null | 30,067 | 9 | null | I would create a test site first, and see what the team thinks, but for me I wouldn't go back to WebForms after using MVC.
Some people don't like code mixed with HTML, and I can understand that, but I far prefer the flexibility over things like Page Lifecycle, rendering HTML and biggy for me - no viewstate cruft embed... | null | CC BY-SA 2.5 | null | 2008-08-27T13:31:01.457 | 2008-08-27T13:31:01.457 | null | null | 1,075 | null |
30,098 | 2 | null | 30,080 | 3 | null | Do [http://mathworld.wolfram.com/Line-LineIntersection.html](http://mathworld.wolfram.com/Line-LineIntersection.html) for the line and each side of the rectangle.
Or: [http://mathworld.wolfram.com/Line-PlaneIntersection.html](http://mathworld.wolfram.com/Line-PlaneIntersection.html)
| null | CC BY-SA 2.5 | null | 2008-08-27T13:31:07.023 | 2008-08-27T13:31:07.023 | null | null | 1,065 | null |
30,079 | 2 | null | 30,058 | 65 | null | For iOS 5.1.1 and lower, use the `openURL` method of `UIApplication`. It will perform the normal iPhone magical URL reinterpretation. so
```
[someUIApplication openURL:[NSURL URLWithString:@"http://maps.google.com/maps?q=London"]]
```
should invoke the Google maps app.
From iOS 6, you'll be invoking Apple's own Map... | null | CC BY-SA 3.0 | null | 2008-08-27T13:26:18.517 | 2012-09-17T17:12:05.813 | 2012-09-17T17:12:05.813 | 1,200 | 1,200 | null |
30,089 | 2 | null | 29,995 | 5 | null | If you want a pen and paper kind of exercises I'd recommend more designing than coding.
Actually coding in paper sucks and it lets you learn almost nothing. Work environment does matter so typing on a computer, compiling, seeing what errors you've made, using refactor here and there, just doesn't compare to what you c... | null | CC BY-SA 4.0 | null | 2008-08-27T13:28:34.300 | 2018-07-13T12:13:08.593 | 2018-07-13T12:13:08.593 | 9,959,912 | 2,695 | null |
30,088 | 2 | null | 30,066 | 10 | null | Use the `exec` builtin in bash:
`exec 2> /tmp/myfile`
| null | CC BY-SA 2.5 | null | 2008-08-27T13:28:17.687 | 2008-08-27T13:28:17.687 | null | null | 2,794 | null |
30,094 | 1 | null | null | 7 | 2,247 | I have a table with many millions of rows. I need to find all the rows with a specific column value. That column is not in an index, so a table scan results.
But would it be quicker to add an index with the column at the head (prime key following), do the query, then drop the index?
I can't add an index permanently a... | Table Scan vs. Add Index - which is quicker? | CC BY-SA 2.5 | null | 2008-08-27T13:30:20.957 | 2013-06-25T20:07:38.877 | 2013-06-25T20:07:38.877 | 426,671 | 1,223 | [
"sql",
"database",
"optimization",
"indexing"
] |
30,103 | 2 | null | 30,074 | 3 | null | The "Changed" event on the FileSystemWatcher should shouldn't fire until the file is closed. See my [answer to a similar question](https://stackoverflow.com/questions/24315/is-it-possible-to-raise-an-event-when-a-file-becomes-accessible). There is a possibility that the FTP download mechanism closes the file multiple... | null | CC BY-SA 2.5 | null | 2008-08-27T13:31:54.213 | 2008-08-27T13:31:54.213 | 2017-05-23T12:08:59.250 | -1 | 1,862 | null |
30,105 | 2 | null | 30,094 | 2 | null | Adding an index requires a table scan, so if you can't add a permanent index it sounds like a single scan will be (slightly) faster.
| null | CC BY-SA 2.5 | null | 2008-08-27T13:32:37.380 | 2008-08-27T13:32:37.380 | null | null | 1,288 | null |
30,099 | 1 | 30,186 | null | 4 | 934 | In my browsings amongst the Internet, I came across [this post](http://www.reddit.com/r/programming/comments/6y6lr/ask_proggit_which_is_more_useful_to_know_c_or_java/), which includes this
> "(Well written) C++ goes to great
lengths to make stack automatic
objects work "just like" primitives,
as reflected in Str... | C++ - What does "Stack automatic" mean? | CC BY-SA 2.5 | null | 2008-08-27T13:31:21.687 | 2010-12-01T22:45:03.273 | null | null | 841 | [
"c++",
"oop"
] |
30,101 | 1 | 30,114 | null | 65 | 67,487 | In my work I deal mostly with C# code nowadays, with a sprinkle of java from time to time. What I absolutely love about Eclipse (and I know people using it daily love it even more) is a sophisticated code formatter, able to mould code into any coding standard one might imagine. Is there such a tool for C#? Visual Studi... | Is there an automatic code formatter for C#? | CC BY-SA 2.5 | 0 | 2008-08-27T13:31:24.747 | 2020-06-13T18:51:57.390 | 2008-09-12T21:14:13.003 | -1 | 3,205 | [
"c#",
"formatting",
"build-automation"
] |
30,106 | 2 | null | 30,074 | 5 | null | If you are in control on the program that is writing the files into the directory, you can have the program write the files to a temporary directory and then move them into the watched directory. The move should be an atomic operation, so the watcher shouldn't see the file until it is fully in the directory.
If you a... | null | CC BY-SA 2.5 | null | 2008-08-27T13:32:53.573 | 2008-08-27T13:32:53.573 | null | null | 75 | null |
30,111 | 2 | null | 30,101 | 2 | null | Not directly, but I use the [Agent Smith](http://www.agentsmithplugin.com/) plugin for R# to do this. Unfortunately, R# isn't free.
| null | CC BY-SA 2.5 | null | 2008-08-27T13:33:51.370 | 2008-08-27T13:33:51.370 | null | null | 1,075 | null |
30,115 | 2 | null | 30,094 | 2 | null | It wouldn't be. Creating an index is more complex than simply scanning the column, even if the computational complexity is the same.
That said - how many columns do you have? Are you sure you can't just create an index for each of them if the query time for a single find is too long?
| null | CC BY-SA 2.5 | null | 2008-08-27T13:34:54.627 | 2008-08-27T13:34:54.627 | null | null | 3,205 | null |
30,116 | 2 | null | 30,067 | 1 | null | I dont´t know ASP.NET MVC, but I am very familiar with MVC pattern. I don´t see another way to build professional applications without MVC. And it has to be MVC model 2, like Spring or Struts. By the way, how you people were building web applications without MVC? When you have a situation that some kind of validation i... | null | CC BY-SA 2.5 | null | 2008-08-27T13:35:07.513 | 2008-08-27T13:35:07.513 | null | null | 3,221 | null |
30,118 | 2 | null | 30,094 | 8 | null | I'm no DBA, but I would guess that building the index would require scanning the table anyway.
Unless there are going to be multiple queries on that column, I would recommend not creating the index.
Best to check the explain plans/execution times for both ways, though!
| null | CC BY-SA 2.5 | null | 2008-08-27T13:36:07.793 | 2008-08-27T13:36:07.793 | null | null | 3 | null |
30,120 | 2 | null | 30,062 | 4 | null | The database I did most of my work on used 'Y' / 'N' as booleans. With that implementation, you can pull off some tricks like:
1. Count rows that are true: SELECT SUM(CASE WHEN BOOLEAN_FLAG = 'Y' THEN 1 ELSE 0) FROM X
2. When grouping rows, enforce "If one row is true, then all are true" logic: SELECT MAX(BOOLEAN_FLA... | null | CC BY-SA 2.5 | null | 2008-08-27T13:36:23.533 | 2008-08-27T13:36:23.533 | null | null | 1,373 | null |
30,096 | 2 | null | 29,044 | 6 | null | In the context of a programming forum, we don't usually think of the programmer also needing the application portion of the database. Normally a wants to use their own development environment for the business logic and front end, and just use the store, query, retrieval, and data processing capabilities of the databa... | null | CC BY-SA 2.5 | null | 2008-08-27T13:30:43.297 | 2009-07-09T15:17:30.590 | 2009-07-09T15:17:30.590 | 3,043 | 3,043 | null |
30,107 | 2 | null | 30,094 | 2 | null | No, that would not be quicker. What would be quicker is to just add the index and leave it there!
Of course, it may not be practical to index every column, but then again it may. How is data added to the table?
| null | CC BY-SA 2.5 | null | 2008-08-27T13:33:03.230 | 2008-08-27T13:33:03.230 | null | null | 3,043 | null |
30,122 | 2 | null | 29,383 | -6 | null | As long as strings can be viewed directly as a char array it's going to be really hard to convince me that `std::string` represents strings as first class citizens in C++.
Besides, combining allocation and boundedness seems to be a bad idea to me anyways.
| null | CC BY-SA 3.0 | null | 2008-08-27T13:37:09.037 | 2012-07-03T14:56:38.070 | 2012-07-03T14:56:38.070 | 142,162 | 1,799 | null |
30,125 | 2 | null | 30,099 | 1 | null | Variables in C++ can either be declared on the stack or the heap. When you declare a variable in C++, it automatically goes onto the stack, unless you explicitly use the new operator (it goes onto the heap).
```
MyObject x = MyObject(params); // onto the stack
MyObject * y = new MyObject(params); // onto the heap
```... | null | CC BY-SA 2.5 | null | 2008-08-27T13:37:36.307 | 2008-08-27T13:37:36.307 | null | null | 12,081 | null |
30,121 | 1 | 30,129 | null | 10 | 8,243 | After my web form is submitted, a regex will be applied to user input on the server side (via PHP). I'd like to have the identical regex running in real-time on the client side to show the user what the real input will be. This will be pretty much the same as the Preview section on the Ask Question pages on Stack Overf... | Making a JavaScript regex equivalent to a PHP regex | CC BY-SA 4.0 | null | 2008-08-27T13:36:51.317 | 2019-01-18T11:14:24.897 | 2019-01-18T11:14:24.897 | 567,854 | 356 | [
"php",
"javascript",
"regex"
] |
30,114 | 2 | null | 30,101 | 49 | null | For Visual Studio, take a look at [ReSharper](http://www.jetbrains.com/resharper). It's an awesome tool and a definite must-have. Versions after 4.0 have the code formatting and clean-up feature that you are looking for. There's also [plugin integration with StyleCop](http://stylecopforresharper.codeplex.com/), includi... | null | CC BY-SA 4.0 | null | 2008-08-27T13:34:46.983 | 2020-06-13T18:17:45.977 | 2020-06-13T18:17:45.977 | 63,550 | 2,374 | null |
30,135 | 2 | null | 30,121 | 1 | null | I've found that different implementations of regular expressions often have subtle differences in what exactly they support. If you want to be entirely sure that the result will be the same in both frontend and backend, the savest choice would be to make an Ajax call to your PHP backend and use the same piece of PHP co... | null | CC BY-SA 2.5 | null | 2008-08-27T13:41:08.840 | 2008-08-27T13:41:08.840 | null | null | 996 | null |
30,108 | 2 | null | 30,074 | 3 | null | Unless the contents of a file can be verified for completion (it has a verifiable format or includes a checksum of the contents) only the sender can verify that a whole file has arrived.
I have used a locking method for sending large files via FTP in the past.
File is sent with an alternative extension and is renamed... | null | CC BY-SA 2.5 | null | 2008-08-27T13:33:15.850 | 2008-08-27T13:33:15.850 | null | null | 1,755 | null |
30,136 | 2 | null | 30,074 | 1 | null | +1 for using a file.ext.end signaler if possible, where the contents of file.ext.end is a checksum for the larger file. This isn't for security so much — if someone can insert their own file into the large stream they can replace the checksum as well. But it does help make sure nothing was garbled along the way.
| null | CC BY-SA 4.0 | null | 2008-08-27T13:41:37.593 | 2022-03-15T16:39:29.247 | 2022-03-15T16:39:29.247 | 3,043 | 3,043 | null |
30,139 | 2 | null | 30,099 | 1 | null | Stack automatic are variables which are allocated on the stack of the current method. The idea behind designing a class which can acts as Stack automatic is that it should be possible to fully initialize it with one call and destroy it with another. It is essential that the destructor frees all resources allocated by t... | null | CC BY-SA 2.5 | null | 2008-08-27T13:42:05.780 | 2008-08-27T13:42:05.780 | null | null | 3,219 | null |
30,109 | 2 | null | 30,080 | 21 | null | From my "Geometry" class:
```
public struct Line
{
public static Line Empty;
private PointF p1;
private PointF p2;
public Line(PointF p1, PointF p2)
{
this.p1 = p1;
this.p2 = p2;
}
public PointF P1
{
get { return p1; }
set { p1 = value; }
}
pu... | null | CC BY-SA 2.5 | null | 2008-08-27T13:33:19.687 | 2008-08-27T13:33:19.687 | null | null | 96 | null |
30,137 | 2 | null | 30,121 | 3 | null | If the regular expressions are simple then there should be no issue, as the basics of regular expressions are common across most implementations.
For particulars then it would be best to study both implementations:
[http://www.regular-expressions.info/php.html](http://www.regular-expressions.info/php.html)
[http://w... | null | CC BY-SA 2.5 | null | 2008-08-27T13:41:47.577 | 2008-08-27T13:41:47.577 | null | null | 1,908 | null |
30,126 | 2 | null | 30,080 | 1 | null | If it is 2d, then all lines are on the only plane.
So, this is basic 3-D geometry. You should be able to do this with a straightforward equation.
Check out this page:
> [http://local.wasp.uwa.edu.au/~pbourke/geometry/planeline/](http://local.wasp.uwa.edu.au/~pbourke/geometry/planeline/).
The second solution shoul... | null | CC BY-SA 3.0 | null | 2008-08-27T13:38:59.330 | 2018-03-04T19:51:54.463 | 2018-03-04T19:51:54.463 | 3,924,118 | 1,753 | null |
30,147 | 2 | null | 30,067 | 1 | null | No, you shouldn't. Feel free to try it out on a new project, but a lot of people familiar with ASP.NET webforms aren't loving it yet, due to having to muck around with raw HTML + lots of different concepts + pretty slim pickings on documentation/tutorials.
| null | CC BY-SA 2.5 | null | 2008-08-27T13:46:15.553 | 2008-08-27T13:46:15.553 | null | null | 2,477 | null |
30,134 | 2 | null | 30,067 | 4 | null | I'm trying to make that same decision about ASP.NET MVC, [Juan Manuel](https://stackoverflow.com/users/1782/juan-manuel). I'm now waiting for the right bite-sized project to come along with which I can experiment. If the experiment goes well--my gut says it will--then I'm going to architect my new large projects arou... | null | CC BY-SA 2.5 | null | 2008-08-27T13:41:02.710 | 2008-08-27T14:42:00.740 | 2017-05-23T10:29:36.727 | -1 | 83 | null |
30,144 | 2 | null | 30,101 | 5 | null | For me, + + maps to Find in Files. When I need to format code, I highlight it and hit + , + .
I understand this doesn't really address automated formatting. I just wanted to clarify for those who may not know this feature even exists in Visual Studio.
| null | CC BY-SA 4.0 | null | 2008-08-27T13:43:05.077 | 2020-06-13T18:19:40.063 | 2020-06-13T18:19:40.063 | 63,550 | 2,773 | null |
30,145 | 1 | 30,223 | null | 7 | 2,780 | Let's suppose you deploy a network-attached appliances (small form factor PCs) in the field. You want to allow these to call home after being powered on, then be identified and activated by end users.
Our current plan involves the user entering the MAC address into an activation page on our web site. Later our softwar... | Ethernet MAC address as activation code for an appliance? | CC BY-SA 2.5 | 0 | 2008-08-27T13:43:08.040 | 2018-01-16T13:31:57.877 | 2008-08-27T14:15:27.887 | 758 | 758 | [
"licensing",
"ethernet",
"drm",
"activation"
] |
30,129 | 2 | null | 30,121 | 12 | null | Hehe this was sort of asked moments ago and Jeff pointed out:
[http://www.regular-expressions.info/refflavors.html](http://www.regular-expressions.info/refflavors.html).
There is a comparison of regular expression capabilities across tools and languages.
| null | CC BY-SA 2.5 | null | 2008-08-27T13:39:38.987 | 2008-08-27T13:39:38.987 | null | null | 792 | null |
30,157 | 2 | null | 30,152 | -3 | null | A compressed folder doesn't mean that it will be a .ZIP file, only the contents of the folder are compressed and to you it will look like a normal folder
| null | CC BY-SA 2.5 | null | 2008-08-27T13:48:59.290 | 2008-08-27T13:48:59.290 | null | null | 740 | null |
30,152 | 1 | 30,204 | null | 5 | 7,109 | I'm not going to be too surprised if I get shot-down for asking a "non programming" question, but maybe somebody knows ...
I was zipping the contents of my subversion sandbox using WinXP's inbuilt "Send to Compressed (zipped) Folder" capability and was surprised to find that the .zip file created did not contain the .... | How does WinXP's "Send to Compressed (zipped) Folder" decide what to include in zip file? | CC BY-SA 3.0 | 0 | 2008-08-27T13:47:19.340 | 2011-12-07T22:35:30.867 | 2011-12-07T22:35:22.723 | 507,519 | 3,229 | [
"zip",
"windows-xp"
] |
30,156 | 2 | null | 30,148 | 2 | null | All the VS 2008 wizard does is upgrade the project & solution files to be used with VS 2008 - it still targets the framework you started with. If you want to move your projects to a newer version of the framework, you'll have to edit the project settings on each. Too much of a chance of breaking changes for MSFT to d... | null | CC BY-SA 2.5 | null | 2008-08-27T13:48:53.317 | 2008-08-27T13:48:53.317 | null | null | 35 | null |
30,148 | 1 | 30,169 | null | 2 | 1,086 | After you've let the VS.NET (2008 in this case) wizard upgrade your solution, do you perform any manual steps to upgrade specific properties of your solution and projects? For instance, you have to go to each project and target a new version of the framework (from 2.0 to 3.5 in this case). Even after targeting a new ve... | Manual steps to upgrade VS.NET solution and target .NET framework? | CC BY-SA 2.5 | null | 2008-08-27T13:46:18.297 | 2018-03-29T18:07:27.310 | null | null | 470 | [
".net",
"visual-studio"
] |
30,140 | 2 | null | 30,101 | 3 | null | I've heard only good things about [ReSharper](http://www.jetbrains.com/resharper). It's on my to-learn list.
| null | CC BY-SA 2.5 | null | 2008-08-27T13:42:17.870 | 2008-08-27T13:42:17.870 | null | null | 83 | null |
30,162 | 2 | null | 27,998 | 0 | null | If you're willing to put a vtable in the class you're exporting, you can export a function that returns an interface and implement the class in the .dll, then put that in the .def file. You might have to do some declaration trickery, but it shouldn't be too hard.
Just like COM. :)
| null | CC BY-SA 3.0 | null | 2008-08-27T13:50:57.537 | 2012-07-03T15:02:29.177 | 2012-07-03T15:02:29.177 | 142,162 | 1,799 | null |
30,160 | 1 | 30,402 | null | 5 | 1,419 | I'm giving a presentation to a Java User's Group on Groovy and I'm going to be doing some coding during the presentation to show some side-by-side Java/Groovy. I really like the GroovyConsole as it's simple and I can resize the text easily.
I'm wondering if there is anything similar for Java? I know I could just u... | Is there a Java Console/Editor similar to the GroovyConsole? | CC BY-SA 3.0 | null | 2008-08-27T13:50:26.090 | 2012-05-04T00:58:15.777 | 2012-05-04T00:58:15.777 | 127,036 | 3,030 | [
"java",
"editor"
] |
30,167 | 2 | null | 28,481 | 1 | null | What kibbee said.
For the part of your question about existing on a release build, it depends on what kind of web site you have. If you have a pre-compiled web site, then of code files (.vb, .cs, etc) need to be deployed the server. They are compiled into .dlls (assemblies) and deployed that way along with the .a... | null | CC BY-SA 2.5 | null | 2008-08-27T13:53:26.643 | 2008-08-27T13:53:26.643 | null | null | 3,043 | null |