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From the [preg_replace documentation](http://us.php.net/manual/en/function.preg-replace.php) on php.net: > may contain references of the form \n or (since PHP 4.0.4) $n, with the latter form being the preferred one. Every such reference will be replaced by the text captured by the n'th parenthesized patter...
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CC BY-SA 2.5
null
2008-08-05T01:39:36.460
2008-08-05T01:39:36.460
null
null
332
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1,824
2
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1,644
62
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This one's not specifically about development, but [Security Now](http://www.grc.com/securitynow.htm) from Steve Gibson and Leo Laporte is an excellent discussion of security issues. I think it's a must-listen for just about any computer user who's concerned about security, and especially for web developers who are re...
null
CC BY-SA 2.5
null
2008-08-05T02:21:00.463
2008-08-05T02:21:00.463
null
null
205
null
1,820
2
null
1,760
3
null
I like [TestDriven.NET](http://www.testdriven.net/overview.aspx) (even though I use ReSharper) and I'm pretty happy with [XUnit.net](http://www.codeplex.com/xunit). It uses Facts instead of Tests which many people dislike but I like the difference in terminology. It's useful to think of a collection of automatically pr...
null
CC BY-SA 2.5
null
2008-08-05T02:07:50.257
2008-08-05T02:07:50.257
null
null
358
null
1,826
2
null
588
14
null
Is your customer using Exchange 2007? If so, I'd have a look at [Exchange Web Services](http://msdn.microsoft.com/en-us/library/bb204119(EXCHG.80).aspx). If not, as hairy as it can be, I think WebDAV is your best bet. Personally I don't like using the Outlook.Application COM object route, as its security prompts (...
null
CC BY-SA 2.5
null
2008-08-05T02:35:02.820
2008-08-05T02:35:02.820
null
null
205
null
1,836
1
1,843
null
39
15,913
OK. This is a bit of a vanity app, but I had a situation today at work where I was in a training class and the machine was set to lock every 10 minutes. Well, if the trainers got excited about talking - as opposed to changing slides - the machine would lock up. I'd like to write a teeny app that has nothing but a tas...
Wiggling the mouse
CC BY-SA 3.0
0
2008-08-05T02:51:37.420
2021-01-07T23:23:38.190
2013-02-06T00:29:06.207
2,548
172
[ "c#", "winapi", "mouse" ]
1,821
2
null
1,760
55
null
There are so many it's crazy. Crazy good, I guess. - [NUnit](http://www.nunit.org/)- [MSTest](http://msdn.microsoft.com/en-us/vstudio/default.aspx)- [MbUnit](http://www.mbunit.com/About.aspx)- [xUnit.net](http://www.codeplex.com/xunit)- [TestDriven.NET](http://testdriven.net/) I'm sure they're all just fine. I'd steer ...
null
CC BY-SA 4.0
null
2008-08-05T02:15:24.873
2020-07-30T09:32:31.307
2020-07-30T09:32:31.307
63,550
308
null
1,840
2
null
1,829
9
null
- - -
null
CC BY-SA 2.5
null
2008-08-05T02:54:54.577
2008-08-27T00:10:21.677
2008-08-27T00:10:21.677
116
116
null
1,713
2
null
1,711
1,743
null
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
null
CC BY-SA 3.0
null
2008-08-04T23:51:07.737
2012-02-21T21:02:44.073
2012-02-21T21:02:44.073
5,486
92
null
1,829
1
1,852
null
27
14,722
I've got a menu in Python. That part was easy. I'm using `raw_input()` to get the selection from the user. The problem is that `raw_input` (and input) require the user to press after they make a selection. Is there any way to make the program act immediately upon a keystroke? Here's what I've got so far: ``` import...
How do I make a menu that does not require the user to press [enter] to make a selection?
CC BY-SA 3.0
0
2008-08-05T02:39:23.140
2015-03-01T17:34:42.907
2015-03-01T17:34:42.907
4,099,593
30
[ "python" ]
1,848
1
1,856
null
30
5,980
I am currently working on a project and my goal is to locate text in an image. OCR'ing the text is not my intention as of yet. I want to basically obtain the bounds of text within an image. I am using the AForge.Net imaging component for manipulation. Any assistance in some sense or another? Update 2/5/09: I've since ...
Locating Text within image
CC BY-SA 3.0
0
2008-08-05T03:04:43.683
2013-04-19T14:54:49.080
2013-01-08T12:45:28.863
1,471,203
36
[ "c#", "image", "image-processing", "artificial-intelligence" ]
1,849
2
null
1,836
3
null
Something like this should work (though, you want to change the interval). ``` public Form1() { InitializeComponent(); Timer Every4Minutes = new Timer(); Every4Minutes.Interval = 10; Every4Minutes.Tick += new EventHandler(MoveNow); Every4Minutes.Start(); } void MoveNow(object sender, EventArgs e)...
null
CC BY-SA 3.0
null
2008-08-05T03:07:41.523
2012-12-05T07:38:06.107
2012-12-05T07:38:06.107
117,870
87
null
1,852
2
null
1,829
10
null
``` import msvcrt answer=msvcrt.getch() ```
null
CC BY-SA 2.5
null
2008-08-05T03:11:55.570
2008-08-27T00:09:22.413
2008-08-27T00:09:22.413
116
116
null
1,854
1
1,857
null
894
468,192
What do I need to look at to see whether I'm on Windows or Unix, etc?
How to identify which OS Python is running on?
CC BY-SA 4.0
0
2008-08-05T03:23:18.917
2022-12-25T03:37:31.833
2022-10-30T17:45:31.597
4,518,341
116
[ "python", "operating-system", "cross-platform", "platform-agnostic" ]
1,843
2
null
1,836
26
null
without notifyicon therefore you will need to terminate this application in task manager manually ``` using System; using System.Drawing; using System.Windows.Forms; static class Program { static void Main() { Timer timer = new Timer(); // timer.Interval = 4 minutes timer.Interval = ...
null
CC BY-SA 2.5
null
2008-08-05T03:00:24.750
2008-08-05T04:12:12.920
2008-08-05T04:12:12.920
275
275
null
1,856
2
null
1,848
14
null
This is an active area of research. There are literally oodles of academic papers on the subject. It's going to be difficult to give you assistance especially w/o more deatails. Are you looking for specific types of text? Fonts? English-only? Are you familiar with the academic literature? "Text detection" is a standa...
null
CC BY-SA 2.5
null
2008-08-05T03:24:27.840
2008-08-05T03:24:27.840
null
null
2,089,740
null
1,870
2
null
1,829
4
null
Wow, that took forever. Ok, here's what I've ended up with ``` #!C:\python25\python.exe import msvcrt print """Menu 1) Say Foo 2) Say Bar""" while 1: char = msvcrt.getch() if char == chr(27): #escape break if char == "1": print "foo" break if char == "2": print "Bar" ...
null
CC BY-SA 2.5
null
2008-08-05T03:51:57.737
2008-08-05T04:30:27.987
2008-08-05T04:30:27.987
30
30
null
1,644
1
null
null
526
158,906
Yes, Podcasts, those nice little Audiobooks I can listen to on the way to work. With the current amount of Podcasts, it's like searching a needle in a haystack, except that the haystack happens to be the Internet and is filled with too many of these "Hot new Gadgets" stuff :( Now, even though am mainly a .NET develope...
What good technology podcasts are out there?
CC BY-SA 4.0
0
2008-08-04T22:17:08.503
2011-01-20T07:33:24.433
2021-01-18T12:38:11.483
-1
91
[ "podcast" ]
1,875
2
null
1,873
3
null
> Without the extra quotes around the input string parameter, the Javascript function thinks I'm passing in an integer. Can you do some rudimentary string function to force JavaScript into changing it into a string? Like ``` value = value + "" ```
null
CC BY-SA 2.5
null
2008-08-05T04:08:18.983
2008-08-05T04:08:18.983
null
null
30
null
1,879
2
null
1,854
146
null
For the record here's the results on Mac: ``` >>> import os >>> os.name 'posix' >>> import platform >>> platform.system() 'Darwin' >>> platform.release() '8.11.1' ```
null
CC BY-SA 3.0
null
2008-08-05T04:13:53.870
2015-08-18T10:01:22.593
2015-08-18T10:01:22.593
4,374,739
116
null
1,881
2
null
1,873
1
null
Try putting the extra text inside the server-side script block and concatenating. ``` onclick='<%# "ToggleDisplay(""" & DataBinder.Eval(Container.DataItem, "JobCode") & """);" %>' ``` Edit: I'm pretty sure you could just use double quotes outside the script block as well.
null
CC BY-SA 2.5
null
2008-08-05T04:19:36.853
2008-08-05T04:19:36.853
null
null
26
null
1,885
2
null
1,829
0
null
The reason msvcrt fails in IDLE is because IDLE is not accessing the library that runs msvcrt. Whereas when you run the program natively in cmd.exe it works nicely. For the same reason that your program blows up on Mac and Linux terminals. But I guess if you're going to be using this specifically for windows, more po...
null
CC BY-SA 2.5
null
2008-08-05T04:28:03.747
2008-08-05T04:28:03.747
null
null
50
null
1,894
2
null
1,607
4
null
I create folders named after the build versions and put upgrade and downgrade scripts in there. For example, you could have the following folders: 1.0.0, 1.0.1 and 1.0.2. Each one contains the script that allows you to upgrade or downgrade your database between versions. Should a client or customer call you with a pro...
null
CC BY-SA 2.5
null
2008-08-05T04:36:13.340
2008-08-05T04:36:13.340
null
null
160
null
1,873
1
1,886
null
47
23,215
How do I delimit a Javascript data-bound string parameter in an anchor `OnClick` event? - - `OnClick`- - I need the "double quotes" for the `Container.DataItem`. I need the 'single quotes' for the `OnClick`. And I still need (triple quotes?) for the input string parameter of the Javascript function call. Since I can'...
Triple Quotes? How do I delimit a databound Javascript string parameter in ASP.NET?
CC BY-SA 4.0
0
2008-08-05T04:05:53.230
2020-12-19T00:25:14.717
2020-12-19T00:25:14.717
8,136,187
242
[ "asp.net", "javascript", "anchor", "quotes" ]
1,898
1
null
null
108
69,685
What's the best way to import a CSV file into a strongly-typed data structure?
Import CSV file to strongly typed data structure in .Net
CC BY-SA 4.0
0
2008-08-05T04:43:22.187
2020-06-18T21:50:10.530
2019-11-21T21:56:14.163
1,366,033
81
[ "c#", "vb.net", "file", "csv", "import" ]
1,886
2
null
1,873
32
null
I had recently similar problem and the only way to solve it was to use plain old HTML codes for single (`&#39;`) and double quotes (`&#34;`). Source code was total mess of course but it worked. Try ``` <a id="aShowHide" onclick='ToggleDisplay(&#34;<%# DataBinder.Eval(Container.DataItem, "JobCode") %>&#34;);'>Show/...
null
CC BY-SA 2.5
null
2008-08-05T04:28:21.983
2011-02-17T22:14:03.813
2011-02-17T22:14:03.813
593,283
275
null
1,909
2
null
1,104
2
null
[Chris](https://stackoverflow.com/questions/1104/#1109)' probably has the best pure answer to the question: However, I'm curious about the root of the question. If the user should wrap the call in a try/catch block, should the user-called function really be throwing exceptions in the first place? This is a difficul...
null
CC BY-SA 3.0
null
2008-08-05T04:56:30.210
2012-09-20T03:21:50.650
2017-05-23T10:31:25.210
-1
363
null
1,905
2
null
1,898
2
null
A good simple way to do it is to open the file, and read each line into an array, linked list, data-structure-of-your-choice. Be careful about handling the first line though. This may be over your head, but there seems to be a direct way to access them as well using a [connection string](http://web.archive.org/web/200...
null
CC BY-SA 4.0
null
2008-08-05T04:49:26.480
2020-06-18T21:50:10.530
2020-06-18T21:50:10.530
9,780,149
50
null
1,908
1
1,945
null
25
6,287
I have a bunch of latitude/longitude pairs that map to known x/y coordinates on a (geographically distorted) map. Then I have one more latitude/longitude pair. I want to plot it on the map as best is possible. How do I go about doing this? At first I decided to create a system of linear equations for the three neares...
How to map a latitude/longitude to a distorted map?
CC BY-SA 3.0
0
2008-08-05T04:55:28.683
2014-11-14T15:13:22.600
2013-09-11T11:47:40.427
569,101
79
[ "math", "maps", "mapping", "latitude-longitude" ]
1,871
2
null
1,854
215
null
[Dang -- Louis Brandy beat me to the punch](https://stackoverflow.com/a/1857/4298200), but that doesn't mean I can't provide you with the system results for Vista! ``` >>> import os >>> os.name 'nt' >>> import platform >>> platform.system() 'Windows' >>> platform.release() 'Vista' ``` ...and I can’t believe no one’s p...
null
CC BY-SA 4.0
null
2008-08-05T03:57:22.327
2022-06-07T14:04:53.193
2022-06-07T14:04:53.193
4,298,200
216
null
1,910
2
null
361
26
null
You are going to get a lot of strings, that's for sure... ![\sum_{i=x}^y{\frac{r!}{{(r-i)}!}}](https://www.codecogs.com/eq.latex?%5Csum_%7Bi=x%7D%5Ey%20%7B%20%5Cfrac%7Br!%7D%7B%7B(r-i)%7D!%7D%20%7D) Where x and y is how you define them and r is the number of characters we are selecting from --if I am understanding you...
null
CC BY-SA 4.0
null
2008-08-05T04:57:52.987
2019-10-10T16:38:39.003
2019-10-10T16:38:39.003
8,344,060
157
null
1,904
2
null
1,644
7
null
Extending on what [Mike Powell](https://stackoverflow.com/users/205/mike-powell) has to say, I am actually a big fan of almost all of the podcasts at [http://www.twit.tv](http://www.twit.tv). Most of the content is watered down a bit, but some of the speakers are top notch thinkers - especially on "This Week in Tech",...
null
CC BY-SA 2.5
null
2008-08-05T04:49:15.030
2008-08-05T04:49:15.030
2017-05-23T12:02:47.733
-1
172
null
1,912
2
null
1,898
0
null
If you can guarantee that there are no commas in the data, then the simplest way would probably be to use [String.split](http://msdn.microsoft.com/en-us/library/system.string.split(VS.71).aspx). For example: ``` String[] values = myString.Split(','); myObject.StringField = values[0]; myObject.IntField = Int32.Parse(v...
null
CC BY-SA 2.5
null
2008-08-05T05:02:37.640
2008-08-05T05:02:37.640
null
null
122
null
1,911
2
null
1,644
15
null
Brad's list is pretty good. I also listen to: - [Sparkling Client](http://www.sparklingclient.com/)- [Perspectives](http://perspectives.on10.net/)- [Herding Code](http://herdingcode.com)[interviewed Jeff Atwood about Stack Overflow](http://herdingcode.com/?p=36)
null
CC BY-SA 2.5
null
2008-08-05T04:59:43.607
2009-09-14T09:21:21.683
2009-09-14T09:21:21.683
63,550
5
null
1,926
2
null
1,908
0
null
the problem is that the sphere can be distorted a number of ways, and having all those points known on the equator, lets say, wont help you map points further away. You need better 'close' points, then you can assume these three points are on a plane with the fourth and do the interpolation --knowing that the distance...
null
CC BY-SA 2.5
null
2008-08-05T05:20:55.403
2008-08-05T05:24:16.240
2008-08-05T05:24:16.240
157
157
null
1,927
2
null
1,908
0
null
Ummm. Maybe I am missing something about the question here, but if you have long/lat info, you also have the direction of north? It seems you need to map geodesic coordinates to a projected coordinates system. For example osgb to wgs84. The maths involved is non-trivial, but the code comes out a only a few lines. If...
null
CC BY-SA 2.5
null
2008-08-05T05:21:02.800
2008-08-05T05:36:52.970
2008-08-05T05:36:52.970
342
342
null
1,928
2
null
1,898
5
null
There are two articles on CodeProject that provide code for a solution, one that uses [StreamReader](http://www.codeproject.com/KB/database/CsvReader.aspx) and one that [imports CSV data](http://www.codeproject.com/KB/database/FinalCSVReader.aspx) using the [Microsoft Text Driver](http://support.microsoft.com/kb/187670...
null
CC BY-SA 3.0
null
2008-08-05T05:24:03.213
2013-12-27T18:26:29.657
2013-12-27T18:26:29.657
267,702
51
null
1,920
2
null
1,644
26
null
I listen to the [javaposse](http://javaposse.com) regularly, they cover mostly Java, but not solely.
null
CC BY-SA 2.5
null
2008-08-05T05:13:05.687
2008-08-05T05:13:05.687
null
null
198
null
1,934
2
null
1,241
4
null
I'm not clear on whether or not you're wanting to add the asynchronous bits to the server in C# or the client in C++. If you're talking about doing this in C++, desktop Windows platforms can do socket I/O asynchronously through the API's that use overlapped I/O. For sockets, WSASend, WSARecv both allow async I/O (rea...
null
CC BY-SA 2.5
null
2008-08-05T05:30:41.297
2008-08-05T05:30:41.297
null
null
328
null
1,812
2
null
231
19
null
The solution to this question really doesn't depend on what programming language you're using, as long as there's some way to modify Windows registry settings. Finally, here's the answer: - - [associate a program with the mailto protocol for the current user](http://windowsxp.mvps.org/permail.htm) The %1 will be repla...
null
CC BY-SA 4.0
null
2008-08-05T01:49:25.940
2020-07-20T19:41:53.597
2020-07-20T19:41:53.597
10,325,630
62
null
1,857
2
null
1,854
1,191
null
``` >>> import os >>> os.name 'posix' >>> import platform >>> platform.system() 'Linux' >>> platform.release() '2.6.22-15-generic' ``` The output of [platform.system()](https://docs.python.org/library/platform.html#platform.system) is as follows: - `Linux`- `Darwin`- `Windows` See: [platform — Access to underlying ...
null
CC BY-SA 4.0
null
2008-08-05T03:27:03.760
2019-12-27T04:51:44.667
2019-12-27T04:51:44.667
3,064,538
2,089,740
null
1,936
1
1,940
null
123
92,301
Using ASP.NET MVC there are situations (such as form submission) that may require a `RedirectToAction`. One such situation is when you encounter validation errors after a form submission and need to redirect back to the form, but would like the URL to reflect the URL of the form, not the action page it submits to. ...
How to RedirectToAction in ASP.NET MVC without losing request data
CC BY-SA 3.0
0
2008-08-05T05:33:41.697
2020-06-18T13:31:52.997
2016-08-15T02:03:16.617
316,469
364
[ "c#", "asp.net-mvc" ]
1,940
2
null
1,936
81
null
The solution is to use the TempData property to store the desired Request components. For instance: ``` public ActionResult Send() { TempData["form"] = Request.Form; return this.RedirectToAction(a => a.Form()); } ``` Then in your "Form" action you can go: ``` public ActionResult Form() { /* Declare vie...
null
CC BY-SA 3.0
null
2008-08-05T05:43:27.900
2016-02-07T00:59:36.093
2016-02-07T00:59:36.093
2,921,691
364
null
1,983
1
2,277
null
58
15,656
In many places, `(1,2,3)` (a tuple) and `[1,2,3]` (a list) can be used interchangeably. When should I use one or the other, and why?
Python: what is the difference between (1,2,3) and [1,2,3], and when should I use each?
CC BY-SA 4.0
0
2008-08-05T07:18:55.853
2021-10-08T16:48:07.107
2019-05-02T20:34:39.577
10,221,765
116
[ "python", "list", "tuples" ]
1,945
2
null
1,908
8
null
Are there any more specific details on the kind of distortion? If, for example, your latitudes and longitudes are "distorted" onto your 2D map using a Mercator projection, the conversion math is [readily available](http://www.wikipedia.org/wiki/Mercator_projection). If the map is distorted truly arbitrarily, there ar...
null
CC BY-SA 2.5
null
2008-08-05T05:48:22.353
2008-08-07T21:46:19.500
2008-08-07T21:46:19.500
328
328
null
1,948
2
null
6
68
null
Here is a sample code. I think this is what you are looking for. The following code displays exactly the same in Firefox 3 (mac) and IE7. ``` #absdiv { position: absolute; left: 100px; top: 100px; width: 80%; height: 60%; background: #999; } #pctchild { width: 60%; height: 40%; background: #CC...
null
CC BY-SA 4.0
null
2008-08-05T05:54:23.310
2020-07-04T01:13:29.037
2020-07-04T01:13:29.037
10,325,630
22
null
1,986
2
null
1,982
2
null
I can't think of any cross platform way of what you want (or any guaranteed way full stop) but as you are using GetTickCount perhaps you aren't interested in cross platform :) I'd use interprocess communications and set the intensive processes nice levels to get what you require but I'm not sure that's appropriate for...
null
CC BY-SA 2.5
null
2008-08-05T07:23:45.390
2008-08-05T07:23:45.390
2017-05-23T12:17:58.683
-1
269
null
1,982
1
47,086
null
49
5,753
I was just wondering if there is an elegant way to set the maximum CPU load for a particular thread doing intensive calculations. Right now I have located the most time consuming loop in the thread (it does only compression) and use `GetTickCount()` and `Sleep()` with hardcoded values. It makes sure that the loop conti...
CPU throttling in C++
CC BY-SA 4.0
0
2008-08-05T07:11:08.427
2020-09-16T05:20:07.823
2020-09-16T05:20:07.823
11,797,840
2,090,742
[ "c++", "performance", "cpu", "throttling" ]
1,957
2
null
1,848
3
null
recognizing text inside an image is indeed a hot topic for researchers in that field, but only begun to grow out of control when [captcha's](http://en.wikipedia.org/wiki/Captcha) became the "norm" in terms of defense against spam bots. Why use captcha's as protection? well because it is/was very hard to locate (and rea...
null
CC BY-SA 2.5
null
2008-08-05T06:00:46.417
2008-08-05T06:00:46.417
null
null
46
null
1,987
2
null
1,983
23
null
The list `[1,2,3]` is dynamic and flexible but that flexibility comes at a speed cost. The tuple `(1,2,3)` is fixed (immutable) and therefore faster.
null
CC BY-SA 4.0
null
2008-08-05T07:27:40.610
2018-06-26T21:22:00.500
2018-06-26T21:22:00.500
7,848,065
269
null
1,949
1
5,310
null
32
5,763
In order to fully use LinqToSql in an ASP.net 3.5 application, it is necessary to create [DataContext](http://msdn.microsoft.com/en-us/library/system.data.linq.datacontext.aspx) [classes](http://dotnetslackers.com/articles/csharp/InsideTheLINQToSQLDataContextClass.aspx) (which is usually done using the designer in VS 2...
Are Multiple DataContext classes ever appropriate?
CC BY-SA 2.5
0
2008-08-05T05:54:34.697
2014-06-17T20:59:34.913
2012-03-22T00:01:27.907
3
51
[ "asp.net", ".net", "linq-to-sql", "datacontext" ]
1,992
2
null
1,988
2
null
If you want lisp to look like Ruby use Ruby. It's possible to use Ruby (and Python) in a very lisp like way which is one of the main reasons they have gained acceptance so quickly.
null
CC BY-SA 2.5
null
2008-08-05T07:40:26.980
2008-08-05T07:40:26.980
null
null
269
null
1,988
1
63,737
null
50
7,433
I have read a lot that LISP can redefine syntax on the fly, presumably with macros. I am curious how far does this actually go? Can you redefine the language structure so much that it borderline becomes a compiler for another language? For example, could you change the functional nature of LISP into a more object or...
How far can LISP macros go?
CC BY-SA 2.5
0
2008-08-05T07:32:54.437
2014-03-08T08:39:32.127
2008-09-18T04:57:43.970
122
122
[ "macros", "lisp" ]
1,993
2
null
1,988
1
null
@sparkes Sometimes LISP is the clear language choice, namely Emacs extensions. I'm sure I could use Ruby to extend Emacs if I wanted to, but Emacs was designed to be extended with LISP, so it seems to make sense to use it in that situation.
null
CC BY-SA 2.5
null
2008-08-05T07:45:14.020
2008-08-05T07:45:14.020
null
null
122
null
2,001
2
null
1,995
10
null
Would use double.TryParse, it has performance benefits.
null
CC BY-SA 3.0
null
2008-08-05T07:54:12.613
2012-08-23T20:15:36.220
2012-08-23T20:15:36.220
337,315
195
null
1,994
1
null
null
21
4,489
When you data bind in C#, the thread that changes the data causes the control to change too. But if this thread is not the one on which the control was created, you'll get an Illegal Cross Thread Operation exception. Is there anyway to prevent this?
Any solution to Illegal Cross Thread Operation exception?
CC BY-SA 3.0
null
2008-08-05T07:45:38.310
2017-12-22T19:05:12.317
2017-12-22T19:05:12.317
2,384,186
195
[ "c#", "data-binding" ]
2,005
2
null
1,995
3
null
I'd personally use int.tryparse, then double.tryparse. Performance on those methods is quite fast. They both return a Boolean. If both fail then you have a string, per how you defined your data.
null
CC BY-SA 2.5
null
2008-08-05T08:02:01.087
2008-08-05T08:02:01.087
null
null
232
null
2,006
2
null
1,982
4
null
On linux, you can change the scheduling priority of a thread with nice().
null
CC BY-SA 2.5
null
2008-08-05T08:03:01.397
2008-08-05T08:03:01.397
null
null
116
null
2,009
2
null
1,995
5
null
I would say, don't worry so much about such micro performance. It is much better to just get something to work, and then make it as clear and concise and easy to read as possible. The worst thing you can do is sacrifice readability for an insignificant amount of performance. In the end, the best way to deal with per...
null
CC BY-SA 2.5
null
2008-08-05T08:04:22.093
2008-08-05T08:04:22.093
null
null
122
null
2,002
2
null
1,994
2
null
As I don't have a test case to go from I can't guarantee this solution, but it seems to me that a scenario similar to the one used to update progress bars in different threads (use a delegate) would be suitable here. ``` public delegate void DataBindDelegate(); public DataBindDelegate BindData = new DataBindDelegate(D...
null
CC BY-SA 2.5
null
2008-08-05T07:56:53.140
2008-08-05T07:56:53.140
null
null
192
null
1,998
2
null
1,994
5
null
You should be able to do something like: ``` if (control.InvokeRequired) { control.Invoke(delegateWithMyCode); } else { delegateWithMyCode(); } ``` InvokeRequired is a property on Controls to see if you are on the correct thread, then Invoke will invoke the delegate on the correct thread. UPDATE: Actually, ...
null
CC BY-SA 2.5
null
2008-08-05T07:51:54.727
2008-08-05T07:58:06.727
2008-08-05T07:58:06.727
122
122
null
2,019
2
null
330
5
null
One way of deciding whether or not to use nested classes is to think whether or not this class plays a supporting role or it's own part. If it exists solely for the purpose of helping another class then I generally make it a nested class. There are a whole load of caveats to that, some of which seem contradictory but ...
null
CC BY-SA 2.5
null
2008-08-05T08:29:13.527
2008-08-05T08:29:13.527
null
null
342
null
2,017
2
null
1,790
4
null
This is more or less the perfect use case for [SVK](http://svk.bestpractical.com/view/HomePage). SVK is a command line front end for subversion that works with an entire local copy of the repository. So your commits, updates, etc. work on the local repository and you can then sync with a master. I would generally re...
null
CC BY-SA 2.5
null
2008-08-05T08:22:05.943
2010-03-16T13:03:28.697
2010-03-16T13:03:28.697
48
48
null
2,023
2
null
330
4
null
sounds like a case where you could use the [strategy pattern](http://en.wikipedia.org/wiki/Strategy_pattern)
null
CC BY-SA 2.5
null
2008-08-05T08:37:19.097
2008-08-05T08:37:19.097
null
null
370
null
2,013
2
null
1,994
0
null
If the thread call is "illegal" (i.e. the DataBind call affects controls that were not created in the thread it is being called from) then you need to create a delegate so that even if the decision / preparation for the DataBind is not done in the control-creating thread, any resultant modification of them (i.e. DataBi...
null
CC BY-SA 2.5
null
2008-08-05T08:06:42.840
2008-08-05T08:06:42.840
null
null
192
null
1,995
1
2,001
null
23
1,581
I have values stored as strings in a `DataTable` where each value could really represent an `int`, `double`, or `string` (they were all converted to strings during an import process from an external data source). I need to test and see what type each value really is. What is more efficient for the application (or is t...
Most Efficient Way to Test Object Type
CC BY-SA 3.0
null
2008-08-05T07:49:11.547
2015-12-14T09:16:52.833
2015-12-14T09:16:52.833
3,751,577
51
[ "c#", ".net", "double", "int" ]
2,034
1
2,036
null
316
218,069
What do the result codes in SVN mean? I need a quick reference.
What do the result codes in SVN mean?
CC BY-SA 3.0
0
2008-08-05T09:11:54.877
2017-04-28T09:30:07.183
2011-10-11T16:32:12.540
122,607
137
[ "svn" ]
2,025
2
null
1,644
9
null
Also make sure you don't miss the [dnrTV webcast show](http://www.dnrtv.com/default.aspx) that Carl Franklin (the man behind .NET rocks) publishes. Even if it's a not a podcast and requires a more attention while watching it it's really informative and if you're into .NET and Microsoft related techniques you'll learn a...
null
CC BY-SA 2.5
null
2008-08-05T08:43:05.667
2008-08-05T08:43:05.667
null
null
298
null
2,033
2
null
2,027
4
null
- - - - -
null
CC BY-SA 2.5
null
2008-08-05T09:10:58.933
2008-08-05T09:10:58.933
null
null
370
null
2,041
1
2,310
null
662
680,000
How do I create a branch in SVN?
How do I create a branch?
CC BY-SA 4.0
0
2008-08-05T09:25:29.000
2020-03-27T05:54:59.327
2019-05-24T21:18:36.800
3,345,644
269
[ "svn", "version-control", "branch", "branching-and-merging" ]
2,042
2
null
2,041
638
null
Create a new branch using the `svn copy` command as follows: ``` $ svn copy svn+ssh://host.example.com/repos/project/trunk \ svn+ssh://host.example.com/repos/project/branches/NAME_OF_BRANCH \ -m "Creating a branch of project" ```
null
CC BY-SA 4.0
null
2008-08-05T09:25:40.510
2018-09-13T22:46:58.603
2018-09-13T22:46:58.603
59,087
269
null
2,027
1
null
null
52
18,954
When learning a new programming language, one of the possible roadblocks you might encounter is the question whether the language is, by default, . So here is my question to all of you, in your favorite language, is it actually done? And what are the ? Your favorite language can, of course, be anything you have ever...
Pass by reference or pass by value?
CC BY-SA 3.0
0
2008-08-05T08:56:01.023
2019-02-16T10:00:58.500
2014-07-21T09:52:53.083
1,783,163
46
[ "language-agnostic", "oop", "parameters", "pass-by-reference", "pass-by-value" ]
2,043
1
2,044
null
33
10,053
A Windows process created from an exe file has access to the command string which invoked it, including its file's path and filename. eg. `C:\MyApp\MyApp.exe --help`. But this is not so for a dll invoked via `LoadLibrary`. Does anyone know of a way for a function loaded via dll to find out what its path and filename is...
Can a Windows dll retrieve its own filename?
CC BY-SA 4.0
0
2008-08-05T09:34:49.073
2021-11-19T22:09:05.343
2021-11-19T22:09:05.343
369
369
[ "windows", "delphi", "winapi", "dll" ]
2,044
2
null
2,043
39
null
I think you're looking for GetModuleFileName. [http://www.swissdelphicenter.ch/torry/showcode.php?id=143](http://www.swissdelphicenter.ch/torry/showcode.php?id=143): ``` { If you are working on a DLL and are interested in the filename of the DLL rather than the filename of the application, then you can use this f...
null
CC BY-SA 3.0
null
2008-08-05T09:37:13.577
2012-02-07T13:01:06.997
2012-02-07T13:01:06.997
744,588
91
null
2,047
2
null
1,535
14
null
This looks like an excellent opportunity to have a look at Aspect Oriented Programming. Here is a good article on [AOP in .NET](https://learn.microsoft.com/en-us/archive/blogs/simonince/aspect-oriented-interception). The general idea is that you'd extract the cross-functional concern (i.e. Retry for x hours) into a sep...
null
CC BY-SA 4.0
null
2008-08-05T09:43:55.000
2020-12-16T01:54:30.937
2020-12-16T01:54:30.937
null
358
null
2,049
2
null
2,046
4
null
You do the unit testing by mocking out the database connection. This way, you can build scenarios where specific queries in the flow of a method call succeed or fail. I usually build my mock expectations so that the actual query text is ignored, because I really want to test the fault tolerance of the method and how it...
null
CC BY-SA 2.5
null
2008-08-05T09:47:41.013
2008-08-05T09:47:41.013
null
null
266
null
2,050
2
null
1,949
2
null
In my experience with LINQ to SQL and LINQ to Entities a DataContext is synonymous to a connection to the database. So if you were to use multiple data stores you would need to use multiple DataContexts. My gut reaction is you wouldn't notice to much of a slow down with a DataContext that encompasses a large number of ...
null
CC BY-SA 2.5
null
2008-08-05T09:57:03.333
2008-08-05T09:57:03.333
null
null
200
null
2,036
2
null
2,034
543
null
For additional details see the SVNBook: ["Status of working copy files and directories"](http://svnbook.red-bean.com/en/1.8/svn.ref.svn.c.status.html). The common statuses: > : Working file was updated: Changes on the repo were automatically merged into the working copy: Working copy is modified: This file conflicts ...
null
CC BY-SA 3.0
null
2008-08-05T09:12:29.947
2015-03-11T12:29:13.950
2015-03-11T12:29:13.950
761,095
137
null
2,048
1
2,080
null
13
3,848
For all the RSS feeds I subscribe to I use [Google Reader](http://www.google.com/reader/), which I love. I do however have a couple of specific RSS feeds that I'd like to be notified of as soon as they get updated (say, for example, an RSS feed for a forum I like to monitor and respond to as quickly as possible). Are...
Monitor a specific RSS
CC BY-SA 4.0
null
2008-08-05T09:45:41.377
2021-10-25T11:20:51.307
2020-06-18T19:30:44.177
9,780,149
298
[ "rss" ]
2,046
1
7,641
null
50
8,770
As a novice in practicing test-driven development, I often end up in a quandary as to how to unit test persistence to a database. I know that technically this would be an integration test (not a unit test), but I want to find out the best strategies for the following: 1. Testing queries. 2. Testing inserts. How do I...
How do I unit test persistence?
CC BY-SA 3.0
0
2008-08-05T09:43:01.257
2020-07-09T15:12:11.730
2012-08-14T14:05:52.823
521,799
372
[ "sql-server", "unit-testing", "tdd" ]
2,054
2
null
2,048
2
null
RSS isn't "push", which means that you need to have something that polls the website. It's much less traffic than getting the whole site or front page (for instance, you can say "Give me all articles newer than the last time I asked"), but it's traffic nonetheless. It's generally understood you shouldn't have a refre...
null
CC BY-SA 2.5
null
2008-08-05T10:05:07.187
2008-08-05T10:05:07.187
null
null
188
null
2,057
2
null
2,048
0
null
I've used [Pingie](http://www.pingie.com) to send me an SMS when a new item appears in an RSS feed. Perhaps, it will be useful for you, if you have a cellphone text messaging plan.
null
CC BY-SA 4.0
null
2008-08-05T10:06:38.323
2020-07-10T07:42:18.620
2020-07-10T07:42:18.620
10,325,630
200
null
2,058
2
null
1,010
2
null
I enabled compression following similar articles to those posted above. The key to accessing the ViewState before the application sends it was overriding this method; ``` protected override void SavePageStateToPersistenceMedium(object viewState) ``` You can call the base method within this override and then add what...
null
CC BY-SA 2.5
null
2008-08-05T10:07:51.847
2008-08-05T10:07:51.847
null
null
371
null
2,066
2
null
2,046
1
null
I would also mock the database, and check that the queries are what you expected. There is the risk that the test checks the wrong sql, but this would be detected in the integration tests
null
CC BY-SA 2.5
null
2008-08-05T10:19:08.563
2008-08-05T10:19:08.563
null
null
259
null
2,064
2
null
2,048
0
null
[RSS2mail](http://exo.org.uk/code/rss2mail/) is a simple python script which I used extensively a few years back. As Matthew stated you really shouldn't bother an RSS feed more than the producer allows but you can use http headers to check for changes in a very light way which is something rss2email does quite well.
null
CC BY-SA 2.5
null
2008-08-05T10:15:37.617
2008-08-05T10:15:37.617
null
null
269
null
1,672
2
null
1,669
1,189
null
## Big List of Resources: - [A Nanopass Framework for Compiler Education](http://www.cs.indiana.edu/%7Edyb/pubs/nano-jfp.pdf)- [Advanced Compiler Design and Implementation](http://www.amazon.com/gp/offer-listing/1558603204?tag=thecompilerconne&camp=14573&creative=327641&linkCode=am1&creativeASIN=1558603204&adid=1ZQW...
null
CC BY-SA 4.0
null
2008-08-04T22:52:00.650
2021-07-30T22:04:27.037
2021-07-30T22:04:27.037
165,780
91
null
2,051
2
null
2,027
5
null
Don't forget there is also , and . Pass by value-result is similar to pass by value, with the added aspect that the value is set in the original variable that was passed as the parameter. It can, to some extent, avoid interference with global variables. It is apparently better in partitioned memory, where a pass by ...
null
CC BY-SA 2.5
null
2008-08-05T10:00:46.930
2008-08-05T10:00:46.930
null
null
188
null
2,056
1
101,561
null
2,335
558,187
When looking beyond the [RAD](https://en.wikipedia.org/wiki/Rapid_application_development) (drag-drop and configure) way of building user interfaces that many tools encourage you are likely to come across three design patterns called [Model-View-Controller](http://en.wikipedia.org/wiki/Model%E2%80%93view%E2%80%93contro...
What are MVP and MVC and what is the difference?
CC BY-SA 3.0
0
2008-08-05T10:06:33.020
2023-01-22T20:45:18.927
2020-08-29T01:23:49.180
1,595,451
358
[ "user-interface", "model-view-controller", "design-patterns", "terminology", "mvp" ]
2,080
2
null
2,048
4
null
If you have access to Microsoft Outlook 2007 or Thunderbird, these email clients allow you to add RSS feeds in the same way you would add an email account. I use Google Reader generally but when I want to keep up-to-date with something specific, I add the RSS feed to Outlook and it arrives in my inbox as if it was an ...
null
CC BY-SA 2.5
null
2008-08-05T10:50:35.393
2008-08-05T10:50:35.393
null
null
383
null
2,070
2
null
2,048
0
null
You could always knock something up yourself... I've done it in the past and it really isn't too difficult a job to write an RSS parser. Of course, as others have mentioned, there's an etiquette question as to how much of the website's valuable bandwidth you want to hog for yourself in RSS request traffic. That's a ...
null
CC BY-SA 2.5
null
2008-08-05T10:24:08.367
2008-08-05T10:24:08.367
null
null
377
null
2,086
2
null
14
48
null
Some examples: ``` Round(1.5) = 2 Round(2.5) = 2 Round(1.5, MidpointRounding.AwayFromZero) = 2 Round(2.5, MidpointRounding.AwayFromZero) = 3 Round(1.55, 1) = 1.6 Round(1.65, 1) = 1.6 Round(1.55, 1, MidpointRounding.AwayFromZero) = 1.6 Round(1.65, 1, MidpointRounding.AwayFromZero) = 1.7 Truncate(2.10) = 2 Truncate(2.0...
null
CC BY-SA 2.5
null
2008-08-05T11:01:47.400
2009-02-24T22:26:38.210
2009-02-24T22:26:38.210
95
95
null
2,073
2
null
2,046
2
null
The problem I experienced when unit testing persistence, especially without an ORM and thus mocking your database (connection), is that you don't really know if your queries succeed. It could be that you your queries are specifically designed for a particular database version and only succeed with that version. You'll ...
null
CC BY-SA 2.5
null
2008-08-05T10:29:42.880
2008-08-05T10:29:42.880
null
null
198
null
2,069
2
null
2,056
38
null
- - MVC = Model-View-Controller 1. Both presentation patterns. They separate the dependencies between a Model (think Domain objects), your screen/web page (the View), and how your UI is supposed to behave (Presenter/Controller) 2. They are fairly similar in concept, folks initialize the Presenter/Controller differently...
null
CC BY-SA 3.0
null
2008-08-05T10:22:55.653
2013-04-20T09:17:51.610
2013-04-20T09:17:51.610
355,491
307
null
2,067
2
null
2,056
21
null
Both of these frameworks aim to seperate concerns - for instance, interaction with a data source (model), application logic (or turning this data into useful information) (Controller/Presenter) and display code (View). In some cases the model can also be used to turn a data source into a higher level abstraction as we...
null
CC BY-SA 2.5
null
2008-08-05T10:20:20.340
2008-08-05T10:24:58.177
2008-08-05T10:24:58.177
364
364
null
2,092
1
null
null
30
3,487
Looking for books or other references that discuss actually to write a code coverage tool in Java; some of the various techniques or tricks - source vs. byte code instrumentation. This is for a scripting language that generates Java byte code under the hood.
How to get started writing a code coverage tool?
CC BY-SA 3.0
null
2008-08-05T11:15:16.953
2019-05-26T05:06:06.703
2017-11-02T22:08:15.170
6,074,376
null
[ "java", "testing", "coldfusion", "code-coverage" ]
2,068
2
null
2,056
444
null
I blogged about this a while back, quoting on [Todd Snyder's excellent post on the difference between the two](http://blogs.infragistics.com/blogs/todd_snyder/archive/2007/10/17/mvc-or-mvp-pattern-whats-the-difference.aspx): > Here are the key differences between the patterns:- - - - - It is the best explanation o...
null
CC BY-SA 3.0
null
2008-08-05T10:21:13.783
2015-05-04T03:28:06.603
2015-05-04T03:28:06.603
63,550
372
null
2,096
2
null
2,046
2
null
For `NHibernate`, I'd definitely advocate just mocking out the `NHibernate API` for unit tests -- trust the library to do the right thing. If you want to ensure that the data actually goes to the DB, do an integration test.
null
CC BY-SA 4.0
null
2008-08-05T11:20:38.330
2018-05-10T16:49:36.093
2018-05-10T16:49:36.093
5,260,008
266
null
2,114
2
null
1,329
1
null
I've been using Copy Handler. The nicest thing about it is that it queues up its jobs like a download manager. It has a shell extension so you can either rightclick drag, or just set copy with copyhandler as the default action.
null
CC BY-SA 2.5
null
2008-08-05T11:35:58.657
2008-08-05T11:35:58.657
null
null
369
null
2,118
2
null
1,329
1
null
I built myself a PC with 4GB RAM, dual core 1.8GHz 40GB PATA drive primary, and 250GB SATA drive secondary, and installed Windows Vista Business Edition. When I had to copy 120GB of data from my old PATA disk, Vista failed miserably and kept crashing. I definitely recommend Teracopy Free Edition.
null
CC BY-SA 3.0
null
2008-08-05T11:44:29.687
2014-05-02T12:49:16.407
2014-05-02T12:49:16.407
3,524,344
389
null
2,099
2
null
2,046
1
null
Technically unit tests of persistance are not unit tests. They are integration tests. With C# using mbUnit, you simply use the `SqlRestoreInfo` and `RollBack` attributes: ``` [TestFixture] [SqlRestoreInfo(<connectionsting>, <name>,<backupLocation>] public class Tests { [SetUp] public ...
null
CC BY-SA 4.0
null
2008-08-05T11:27:08.550
2020-07-09T15:12:11.730
2020-07-09T15:12:11.730
10,325,630
230
null
2,123
1
2,223
null
46
29,944
`Checkboxes` in `HTML` forms don't have implicit with them. Adding an explicit label (some text) next to it doesn't toggle the `checkbox`.
How do I make a checkbox toggle from clicking on the text label as well?
CC BY-SA 3.0
0
2008-08-05T11:51:16.507
2022-07-22T11:02:57.733
2017-05-16T01:57:14.383
4,311,889
193
[ "html", "checkbox" ]