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I have accomplished this by using reflection. Where I name the column from the Select statement of the object. This assumes you have a Templated helper class. If you want to put it on the object yourself you can just replace all the T with the object. This is an example: ``` private T ObjectFromRow(DataRow row) { ...
null
CC BY-SA 2.5
null
2008-09-03T01:42:15.753
2008-09-03T01:42:15.753
null
null
2,469
null
41,049
2
null
40,966
10
null
I've written lots of Javascript and window.onload is a way to do it. It is brittle and waits until asset of the page has loaded. So if one image takes forever or a resource doesn't timeout until 30 seconds, your code will not run before the user can see/manipulate the page. Also, if another piece of Javascript decid...
null
CC BY-SA 2.5
null
2008-09-03T02:12:33.387
2008-09-03T02:12:33.387
null
null
956
null
41,053
2
null
41,050
0
null
Keep it in a configuration file. Use a robust data access strategy provided by tools like NHibernate or Linq to Sql.
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CC BY-SA 2.5
null
2008-09-03T02:14:32.557
2008-09-03T02:14:32.557
null
null
2,676
null
41,052
2
null
40,230
3
null
@SqlMenace > > There are other problems with GUIDs, you see GUIDs are not sequential, so inserts will be scattered all over the place, this causes page splits and index fragmentation Not true. If the clustered index is another column ("inserted_on" springs to mind) then the inserts will be sequential and no page sp...
null
CC BY-SA 2.5
null
2008-09-03T02:14:23.600
2008-09-03T02:14:23.600
null
null
1,690
null
41,048
2
null
12,905
0
null
Unfortunatly Bryan is probably right. And I have tried to make a VS plugin for use with InfoPath development. It is very restrictive and hard to use. Not very effective for quick scripting work. I have found [AutoHotKey](http://www.autohotkey.com/) to be the best ad hoc scripting tool for use with InfoPath. It does...
null
CC BY-SA 2.5
null
2008-09-03T02:11:55.573
2008-09-03T02:11:55.573
null
null
4,354
null
41,058
2
null
41,050
1
null
I usually cache the connection string in a global configuration object in my application. This value is loaded up at the beginning of program execution from where ever it is stored -- file, encrypted file, config file, etc. ADO.NET is very good at caching connection objects to the database so I would not cache the Sq...
null
CC BY-SA 2.5
null
2008-09-03T02:19:27.863
2008-09-03T02:19:27.863
null
null
4,292
null
41,055
2
null
41,050
4
null
I wouldn't cache the connection object, that will defeat the built-in connection pooling -- ADO.NET will handle connections (assuming you instantiate and close them) efficiently by itself. As far as the connection string itself, you shouldn't need to cache it if you load it from connection -- the connection manager ob...
null
CC BY-SA 2.5
null
2008-09-03T02:18:12.173
2008-09-03T02:18:12.173
null
null
2,194
null
41,050
1
41,055
null
7
2,361
I usually store my connectionstring in web.config or in the application settings of my Visual Studio project. The application I'm currently working on makes a lot of trips to the database which means it will look up the connectionstring every time. Should I be putting the connectionstring in the cache or should I be lo...
Where do you store your database connectionstring?
CC BY-SA 2.5
0
2008-09-03T02:12:34.527
2010-01-30T18:21:17.723
2008-09-03T02:37:05.823
202
202
[ "asp.net" ]
41,062
2
null
41,050
3
null
The web.config is cached. But even if it wasn't, don't forget that ado.net maintains a connection pool - its not opening a new connection every time you make a call to the db.
null
CC BY-SA 2.5
null
2008-09-03T02:21:37.703
2008-09-03T02:21:37.703
null
null
4,050
null
41,051
2
null
34,977
0
null
Really you're only doing four calculations, so here than efficiency. My approach to make something like this more readable is to 1. Extract common code to a function 2. Put similar calculations together to make the patterns more obvious 3. Get rid of the intermediate variable print_zeroes and be explicit about the...
null
CC BY-SA 2.5
null
2008-09-03T02:14:08.080
2008-09-04T22:03:00.740
2008-09-04T22:03:00.740
4,343
4,343
null
41,059
2
null
41,045
30
null
Since the objects of different classes will have different sizes, you would end up running into the slicing problem if you store them as values. One reasonable solution is to store container safe smart pointers. I normally use boost::shared_ptr which is safe to store in a container. Note that std::auto_ptr is not. ``...
null
CC BY-SA 2.5
null
2008-09-03T02:19:53.260
2008-09-03T02:19:53.260
null
null
3,146
null
41,066
2
null
40,230
1
null
Make sure to utilize guid.comb - takes care of the indexing stuff. If you are dealing with performance issues after that then you will be, in short order, an expert on scaling. Another reason to use GUIDs is to enable database refactoring. Say you decide to apply polymorphism or inheritance or whatever to your Custo...
null
CC BY-SA 2.5
null
2008-09-03T02:25:53.247
2008-09-03T02:25:53.247
null
null
2,676
null
41,056
1
41,063
null
17
11,186
I'm a long-time emacs user, and I'm now working about 1/2 time in Java. What are the best emacs libraries for 1. Debugging Java 2. Code Completion/Intellisense 3. Javadoc browsing ?
Best java tools for emacs
CC BY-SA 2.5
0
2008-09-03T02:18:15.650
2011-04-27T02:11:33.937
null
null
4,343
[ "java", "debugging", "emacs", "ide", "javadoc" ]
41,065
2
null
40,230
0
null
@Portman By default PK == Clustered Index, creating a primary key constraint will automatically create a clustered index, you need to specify non clustered if you don't want it clustered.
null
CC BY-SA 2.5
null
2008-09-03T02:24:41.313
2008-09-03T02:24:41.313
null
null
740
null
41,073
1
41,158
null
1
205
After downloading all .NET framework symbols and sources using [NetMassDownloader](http://www.codeplex.com/NetMassDownloader), is it possible to setup the VS.NET 2005 for debugging into .NET 2.0 source files?
.NET Mass Downloader with VS.NET 2005?
CC BY-SA 2.5
0
2008-09-03T02:29:03.673
2022-07-24T14:03:31.763
2018-10-19T08:22:49.120
7,109,869
4,171
[ ".net", "visual-studio", "debugging" ]
41,061
2
null
40,230
1
null
You're correct that this is an old problem, and it has two canonical solutions: - Use unique identifiers as the primary key. Note that if you're concerned about readability you can roll your own unique identifier instead of using a GUID. A unique identifier will use information about the date and the machine to genera...
null
CC BY-SA 2.5
null
2008-09-03T02:21:22.943
2008-09-03T02:21:22.943
null
null
1,690
null
41,054
2
null
41,050
0
null
From what I can recall the contents of the .config file are held in memory anyway... I'll get back to you. Edit: What [HE](https://stackoverflow.com/questions/41050/where-do-you-store-your-connectionstring-should-it-be-cached#41055) said
null
CC BY-SA 2.5
null
2008-09-03T02:16:40.070
2008-09-03T02:21:58.963
2017-05-23T12:01:17.740
-1
952
null
41,074
2
null
41,045
2
null
> Take a look at and In C++ Programming Language, 3rd ed, Bjarne Stroustrup describes it on page 130. There's a whole section on this in Chapter 6. You can recast your Parent class to Child class. This requires you to know when each one is which. In the book, Dr. Stroustrup talks about different techniques to avo...
null
CC BY-SA 2.5
null
2008-09-03T02:29:26.340
2008-09-03T02:29:26.340
null
null
2,284
null
41,069
2
null
41,024
1
null
Here's an exceedingly lazy way to do it: ``` #!/usr/bin/ruby require 'rubygems' require 'fox16' include Fox theApp = FXApp.new theMainWindow = FXMainWindow.new(theApp, "Hello") theButton = FXButton.new(theMainWindow, "Hello, World!") theButton.tipText = "Push Me!" iconFile = File.open("icon.jpg", "rb") theButton.i...
null
CC BY-SA 2.5
null
2008-09-03T02:26:42.323
2008-09-03T02:26:42.323
null
null
422
null
41,081
2
null
40,737
4
null
We rolled our own at work using [RRDtool](http://oss.oetiker.ch/rrdtool/) (the data storage back end to tools like MRTG). We run a perl script every 5 minutes that takes a du per partition and stuffs it into an RRD database and then uses RRD's graph function to build graphs. It takes a while to igure out how to set u...
null
CC BY-SA 2.5
null
2008-09-03T02:33:25.163
2008-09-03T02:33:25.163
null
null
430
null
41,080
2
null
39,576
35
null
Use SQL*Loader. It takes a little setting up, but if this isn't a one off, its worth it. ``` SQL> create table ldr_test (id number(10) primary key, description varchar2(20)); Table created. SQL> ``` ``` oracle-2% cat ldr_test.csv 1,Apple 2,Orange 3,Pear oracle-2% ``` ``` oracle-2% cat ldr_test.ctl load data...
null
CC BY-SA 2.5
null
2008-09-03T02:32:46.443
2010-11-17T10:24:56.583
2010-11-17T10:24:56.583
2,257
3,839
null
41,088
2
null
40,193
-1
null
Lots of other good solutions here, but in the interest of completeness: ``` echo * ```
null
CC BY-SA 2.5
null
2008-09-03T02:38:57.160
2008-09-03T02:38:57.160
null
null
430
null
41,090
2
null
40,994
1
null
The speed initially seemed substantially improved. One interesting thing is that it keeps locking up the Google REader tab, it's gotten the sad-face at least 5 times over this morning...
null
CC BY-SA 2.5
null
2008-09-03T02:39:52.870
2008-09-03T02:39:52.870
null
null
4,357
null
41,071
2
null
23,930
34
null
# Whitespace It was hard to get it to show here properly, but now I tried copying it from the preview and it works. You need to input the number and press enter.
null
CC BY-SA 2.5
null
2008-09-03T02:28:05.517
2008-09-03T02:28:05.517
null
null
1,815
null
41,063
2
null
41,056
12
null
I've used [JDEE](http://jdee.sourceforge.net/) on several projects. It handles Code Completion. I've never used it for debugging or browsing docs, but it's a big step up from a basic text editor.
null
CC BY-SA 2.5
null
2008-09-03T02:22:04.237
2008-09-03T02:22:04.237
null
null
3,535
null
41,097
1
41,931
null
1
427
The question sort of says it all. Whether it's for code testing purposes, or you're modeling a real-world process, or you're trying to impress a loved one, what are some algorithms that folks use to generate interesting time series data? Are there any good resources out there with a consolidated list? No constraints o...
What are some compact algorithms for generating interesting time series data?
CC BY-SA 2.5
0
2008-09-03T02:45:08.863
2009-09-14T11:38:30.040
2009-09-14T11:38:30.040
144,157
4,069
[ "algorithm", "language-agnostic", "time-series" ]
41,091
2
null
39,438
1
null
@hamishmcn Generally that's a bad idea.. Temporary tables in oracle should just be created and left (unless its a once off/very rarely used). The contents of the temporary table is local to each session and truncated when the session is closed. There is little point in paying the cost of creating/dropping the temporar...
null
CC BY-SA 2.5
null
2008-09-03T02:41:25.970
2008-09-03T02:41:25.970
null
null
3,839
null
41,102
2
null
40,773
6
null
I have to agree, Fogbugz is probably the best out there. I have used both the hosted version and the purchased version which I hosted. It is top-notch.
null
CC BY-SA 2.5
null
2008-09-03T02:56:29.257
2008-09-03T02:56:29.257
null
null
2,305
null
41,100
2
null
39,438
3
null
@hamishcmcn Your assertion that '' == Null is simply not true. In the relational world Null should only ever be read to mean "I don't know". The only result you will get from Oracle (and most other decent databases) when you compare a value to Null is 'False'. Off the top of my head the major differences between SQL ...
null
CC BY-SA 2.5
null
2008-09-03T02:52:17.677
2008-09-03T02:52:17.677
null
null
2,661
null
41,098
2
null
17,922
1
null
Lutz Roeder (of Reflector fame) has a WYSIWYG HTML editor in .NET on his site here: [http://www.lutzroeder.com/dotnet/](http://www.lutzroeder.com/dotnet/). Check out the download called "writer". I haven't used it myself, but it was the first thing that popped into my mind.
null
CC BY-SA 2.5
null
2008-09-03T02:51:06.587
2008-09-03T02:51:06.587
null
null
2,655
null
41,082
2
null
40,773
0
null
I realize that FOSS is your primary desire and I definitely agree with this. If I were to limit myself to FOSS, I would go with RT 3.8, [http://blog.bestpractical.com/2008/07/today-were-rele.html#screenshots](http://blog.bestpractical.com/2008/07/today-were-rele.html#screenshots) However, if you are willing to entert...
null
CC BY-SA 2.5
null
2008-09-03T02:33:37.500
2008-09-03T02:33:37.500
null
null
2,519
null
41,089
1
41,521
null
2
3,924
I have a vb6 form with an ocx control on it. The ocx control has a button on it that I want to press from code. How do I do this? I have: ``` Dim b As CommandButton Set b = ocx.GetButton("btnPrint") SendMessage ocx.hwnd, WM_COMMAND, GetWindowLong(b.hwnd, GWL_ID), b.hwnd ``` but it doesn't seem to work.
How do I click a button on a vb6 form?
CC BY-SA 2.5
0
2008-09-03T02:39:52.197
2017-08-20T23:07:21.153
null
null
4,495
[ "vb6" ]
41,103
2
null
41,045
5
null
You might also consider [boost::any](http://www.boost.org/doc/libs/1_36_0/doc/html/any.html). I've used it for heterogeneous containers. When reading the value back, you need to perform an any_cast. It will throw a bad_any_cast if it fails. If that happens, you can catch and move on to the next type. I it will throw ...
null
CC BY-SA 2.5
null
2008-09-03T02:56:35.607
2008-09-03T12:02:36.323
2008-09-03T12:02:36.323
4,069
4,069
null
41,119
2
null
16,969
-1
null
Sounds like you're trying to do configuration control with a source code control system. Subversion my not be the right choice, since it's really for source code (ascii files) and build dependencies, not executable files (binary) and run-time dependencies. My guess is you really need an installer: [http://en.wikipedi...
null
CC BY-SA 2.5
null
2008-09-03T03:11:23.073
2008-09-03T03:11:23.073
null
null
4,343
null
41,087
2
null
39,996
5
null
It depends on how you have your OPC client configured to pull data. When you subscribe to a group in OPC, you get to specify a refresh rate. This might default to 1s or even 5s, depending on the OPC client. There's also a limit the OPC server might put on the frequency of updated data. This only applies if you have...
null
CC BY-SA 2.5
null
2008-09-03T02:36:46.060
2008-09-03T02:36:46.060
null
null
2,655
null
41,120
2
null
41,097
2
null
Don't have an answer for the algorithm part but you can see how "realistic" your data is with [Benford's law](http://www.kirix.com/blog/2008/07/22/fun-and-fraud-detection-with-benfords-law/)
null
CC BY-SA 2.5
null
2008-09-03T03:12:41.637
2008-09-03T03:12:41.637
null
null
370
null
41,086
2
null
8,284
1
null
Try, it has support for vista style Icons Axialis IconWorkshop Lite for VS 2008 [http://www.axialis.com/download/iwlite.html](http://www.axialis.com/download/iwlite.html) Axialis Software, in association with Microsoft Corporation, presents Axialis IconWorkshop Lite for Visual Studio 2008: ``` * 100% Free for Visua...
null
CC BY-SA 2.5
null
2008-09-03T02:36:12.487
2008-09-03T02:36:12.487
null
null
2,062
null
41,106
2
null
41,045
2
null
Most container types want to abstract the particular storage strategy, be it linked list, vector, tree-based or what have you. For this reason, you're going to have trouble with both possessing and consuming the aforementioned cake (i.e., the cake is lie (NB: someone had to make this joke)). So what to do? Well the...
null
CC BY-SA 2.5
null
2008-09-03T02:58:41.920
2008-09-03T02:58:41.920
null
null
null
null
41,110
2
null
20,059
0
null
There's a good article about this over on [familyinternet.about.com](http://familyinternet.about.com/od/resources/tp/programmingforkids.htm).
null
CC BY-SA 2.5
null
2008-09-03T03:01:55.513
2008-09-03T03:01:55.513
null
null
2,284
null
41,123
2
null
41,089
1
null
If you have access to the OCX code, you could expose the associated event handler and invoke it directly. Don't know if an equivalent of .Net Button's Click() method existed back in VB6 days
null
CC BY-SA 2.5
null
2008-09-03T03:15:52.533
2008-09-03T03:15:52.533
null
null
1,695
null
41,128
2
null
40,863
7
null
Here's a great screen cast where Billy Hollis goes into many of these issues: [http://www.dnrtv.com/default.aspx?showNum=115](http://www.dnrtv.com/default.aspx?showNum=115)
null
CC BY-SA 2.5
null
2008-09-03T03:19:26.813
2008-09-03T03:19:26.813
null
null
1,433
null
41,107
1
41,156
null
1,943
1,622,907
I've been looking for a Java algorithm to generate a pseudo-random alpha-numeric string. In my situation it would be used as a unique session/key identifier that would "likely" be unique over `500K+` generation (my needs don't really require anything much more sophisticated). Ideally, I would be able to specify a ...
How to generate a random alpha-numeric string
CC BY-SA 4.0
0
2008-09-03T02:58:43.073
2023-01-17T03:37:32.283
2020-11-12T15:36:38.793
63,550
3,803
[ "java", "string", "random", "alphanumeric" ]
41,122
2
null
39,438
1
null
What you have asked here is a huge topic, especially since you haven't really said what you are using the database for (eg, are you going to be going from TSQL -> PL/SQL or just changing the backend database your java application is connected to?) If you are serious about using your database choice to its potiential, ...
null
CC BY-SA 2.5
null
2008-09-03T03:14:47.357
2008-09-03T03:14:47.357
null
null
3,839
null
41,135
2
null
40,884
0
null
What you want to do is called "Serializing" your object, and .Net has a few different ways to go about it. One is the XmlSerializer class in the System.Xml.Serialization namespace. Another is in the System.Runtime.Serialization namespace. This has support for a SOAP formatter, a binary formatter, and a base class yo...
null
CC BY-SA 2.5
null
2008-09-03T03:25:32.213
2008-09-03T03:25:32.213
null
null
3,043
null
41,136
2
null
20,059
1
null
I think [Context Free Art](http://www.contextfreeart.org/index.html) might be a good choice, with output of graphics, it makes it a lot of fun learning about [context-free grammar](http://en.wikipedia.org/wiki/Context-free_grammar).
null
CC BY-SA 2.5
null
2008-09-03T03:25:32.650
2008-09-03T03:25:32.650
null
null
788
null
41,145
2
null
19,995
4
null
Comet was actually coined by Alex Russell from Dojo Toolkit ( [http://www.dojotoolkit.org](http://www.dojotoolkit.org) ). Here is a link to more infomration [http://cometdproject.dojotoolkit.org/](http://cometdproject.dojotoolkit.org/)
null
CC BY-SA 2.5
null
2008-09-03T03:42:40.910
2008-09-03T03:42:40.910
null
null
4,231
null
41,131
2
null
40,994
0
null
I ran the aformentioned sunspider javascript benchmark on FF3 and Chrome and got over a 2x speed increase moving from [FF3](http://tinyurl.com/69tlhc) to [Chrome](http://tinyurl.com/5dv274) (on a Vista 64 system - Core 2 duo 6600 2.4GHz, 2GB RAM). The links above show you my results - I'm very interested to see what, ...
null
CC BY-SA 2.5
null
2008-09-03T03:21:10.600
2008-09-03T03:53:03.880
2008-09-03T03:53:03.880
2,915
2,915
null
41,149
2
null
40,680
160
null
I usually use `Request.Url.ToString()` to get the full url (including querystring), no concatenation required.
null
CC BY-SA 2.5
null
2008-09-03T03:49:18.537
2008-09-03T03:49:18.537
null
null
1,414
null
41,142
2
null
40,361
1
null
It can be done with XPath 1.0. Say you have ``` <foo> <bar/> </foo> ``` If you want to test if `foo` has a `baz` child, ``` substring("N/A", 4 * number(boolean(/foo/baz))) ``` will return "N/A" if the expression `/foo/baz` returns an empty node-set, otherwise it returns an empty string.
null
CC BY-SA 2.5
null
2008-09-03T03:40:27.683
2008-12-27T16:17:17.520
null
null
2,679
null
41,134
1
null
null
7
3,227
Here is the deal. $ gem --version > 1.1.0 $ sudo gem install mysql -- --with-mysql-config=/usr/local/mysql/bin/mysql_config > Bulk updating Gem source index for: [http://gems.rubyforge.org/](http://gems.rubyforge.org/) ERROR: could not find mysql locally or in a repository $ sudo gem update > Updating ins...
How do I install the mysql ruby gem under OS X 10.5.4
CC BY-SA 2.5
0
2008-09-03T03:23:00.910
2009-07-19T11:09:03.890
2008-09-03T04:42:38.487
1,797
1,797
[ "mysql", "ruby", "rubygems" ]
41,146
2
null
40,730
2
null
--- Personally, I don't see the point of making it a property at all if you're not going to do anything at all beyond the auto-property. Just leave it as a field. The encapsulation benefit for these item are just red herrings, because there's nothing behind them to encapsulate. If you ever need to change the un...
null
CC BY-SA 4.0
null
2008-09-03T03:43:20.533
2021-08-18T13:21:08.267
2021-08-18T13:21:08.267
3,043
3,043
null
41,141
2
null
33,079
5
null
Keep in mind that [nearly 10%](http://www.vischeck.com/faq/#c0_f5) of the male population of the world have some significant form of color blindness. You should always consider this when choosing interface colors (especially if you need capital - guess what? 1 in 10 male investors might not see your red dots on the gr...
null
CC BY-SA 2.5
null
2008-09-03T03:32:47.720
2008-09-03T03:32:47.720
null
null
2,915
null
41,132
2
null
40,322
17
null
The first thing I would check is to make sure that your normal login is mapped to a role with the correct system-level permissions. The item-level role definitions don't make a difference for the "Report Builder" button. From the browser-based report manager interface: - - - - - - - The forms are pretty straightfo...
null
CC BY-SA 2.5
null
2008-09-03T03:21:55.670
2008-09-03T03:21:55.670
null
null
4,154
null
41,155
1
545,754
null
45
112,026
In the process of developing my first WCF service and when I try to use it I get "Method not Allowed" with no other explanation. I've got my interface set up with the ServiceContract and OperationContract: ``` [OperationContract] void FileUpload(UploadedFile file); ``` Along with the actual method: ``` public...
WCF Service Returning "Method Not Allowed"
CC BY-SA 2.5
0
2008-09-03T04:03:49.313
2020-06-06T21:57:05.450
2009-02-13T12:44:25.217
18,154
831
[ ".net", "wcf", "web-services" ]
41,158
2
null
41,073
3
null
It looks like you can [download the symbols](https://web.archive.org/web/20160707213703/http://geekswithblogs.net/sdorman/archive/2007/05/23/Debugging-in-Visual-Studio-2005-with-a-Symbol-Server.aspx), though they're not available for browsing.
null
CC BY-SA 4.0
null
2008-09-03T04:09:08.177
2022-07-24T14:03:31.763
2022-07-24T14:03:31.763
4,751,173
536
null
41,154
2
null
24,901
6
null
I would like to point out an excellent post by Andrew Koenig on Code Talk very recently. [http://dobbscodetalk.com/index.php?option=com_myblog&show=Efficiency-versus-intent.html&Itemid=29](http://dobbscodetalk.com/index.php?option=com_myblog&show=Efficiency-versus-intent.html&Itemid=29) At our company also we use con...
null
CC BY-SA 2.5
null
2008-09-03T04:02:31.983
2008-09-03T04:02:31.983
null
null
null
null
41,157
2
null
40,376
14
null
The JVM responds to signals on its own. Some will cause the JVM to shutdown gracefully, which includes running shutdown hooks. Other signals will cause the JVM to abort without running shutdown hooks. Shutdown hooks are added using [Runtime.addShutdownHook(Thread)](http://java.sun.com/javase/6/docs/api/java/lang/Runti...
null
CC BY-SA 3.0
null
2008-09-03T04:08:58.537
2012-10-30T11:47:33.970
2012-10-30T11:47:33.970
1,374,678
816
null
41,159
1
41,175
null
5
14,779
Given the following: ``` List<List<Option>> optionLists; ``` what would be a quick way to determine the subset of Option objects that appear in all N lists? Equality is determined through some string property such as option1.Value == option2.Value. So we should end up with `List<Option>` where each item appears onl...
Fastest way to find common items across multiple lists in C#
CC BY-SA 2.5
null
2008-09-03T04:13:46.607
2019-08-06T15:41:57.117
2008-09-03T18:22:30.187
3,615
3,615
[ "c#" ]
41,152
2
null
40,361
5
null
It can be done but only if the return value when the node does exist is . The XPath ``` substring(concat("N/A", /foo/baz), 4 * number(boolean(/foo/baz))) ``` will return the string value of the `baz` element if it exists, otherwise the string "N/A". To generalize the approach: ``` substring(concat($null-value, $no...
null
CC BY-SA 2.5
null
2008-09-03T03:58:06.863
2008-12-27T16:17:17.520
2008-09-03T07:49:22.750
2,679
2,679
null
41,126
2
null
40,884
0
null
@aku, lomaxx and bdukes - your solutions are what I was looking for. @1800 INFORMATION - while i appreciate your stance on the matter, this is a special case of data that I get from a webservice that gets refreshed only about once a month. I dont need the data persisted in db form because thats what the webservice is...
null
CC BY-SA 2.5
null
2008-09-03T03:18:24.820
2008-09-03T03:18:24.820
null
null
777
null
41,164
2
null
37,969
19
null
This answer doesn't apply to all JMS brokers, but if you happen to be using [Apache ActiveMQ](http://activemq.apache.org/), the web-based admin console (by default at [http://localhost:8161/admin](http://localhost:8161/admin)) allows you to manually send text messages to topics or queues. It's handy for debugging.
null
CC BY-SA 2.5
null
2008-09-03T04:19:36.640
2008-09-03T04:19:36.640
null
null
816
null
41,165
2
null
40,884
0
null
I'm backing @1800 Information on this one. Serializing objects for long-term storage is never a good idea > while i appreciate your stance on the matter, this is a special case of data that I get from a webservice that gets refreshed only about once a month. It's not a matter of stances. It's because one day, you wil...
null
CC BY-SA 2.5
null
2008-09-03T04:20:14.140
2008-09-03T04:20:14.140
null
null
234
null
41,160
2
null
41,134
3
null
Step 1 ``` gem update --system ``` It probably won't provide the fix itself, but You want rubygems 1.2. It will save you about 8 days waiting as it doesn't need to do the 'Bulk updating 102304 gems' rubbish any more It actually looks like it can't find the mysql gem at all, let alone download or install it. You're...
null
CC BY-SA 2.5
null
2008-09-03T04:15:04.620
2008-09-03T04:15:04.620
null
null
234
null
41,172
2
null
40,346
0
null
I like Embedded Systems. Even if you don't program for embedded systems, the software articles are excellent. [http://www.embedded.com/](http://www.embedded.com/)
null
CC BY-SA 2.5
null
2008-09-03T04:29:35.540
2008-09-03T04:29:35.540
null
null
835
null
41,162
1
41,173
null
12
31,479
I'd like to indicate to the user of a web app that a long-running task is being performed. Once upon a time, this concept would have been communicated to the user by displaying an hourglass. Nowadays, it seems to be an animated spinning circle. (e.g., when you are loading a new tab in Firefox, or booting in Mac OS X. ...
Javascript spinning wait hourglass-type thing
CC BY-SA 2.5
0
2008-09-03T04:18:18.840
2018-04-20T08:19:03.270
2009-04-28T14:01:30.507
742
742
[ "javascript", "jquery" ]
41,169
1
null
null
5
11,105
Suppose someone worked for a company that put up an HTTP proxy preventing internet access without password authentication (NTLM, I think). Also suppose that this password rotated on a daily basis, which added very little security, but mostly served to annoy the employees. How would one get started writing a Firefox add...
How do I write Firefox add-on that automatically enters proxy passwords?
CC BY-SA 2.5
0
2008-09-03T04:28:34.433
2012-09-05T19:31:06.383
2008-09-03T05:19:28.850
816
816
[ "firefox", "authentication", "plugins", "proxy", "passwords" ]
41,174
2
null
40,884
0
null
If it crashes (or throws an exception) all you are left with is a bunch of binary data to try and sift through to recreate your objects. If you are only persisting binary why not just save straight to disk. You also might want to look at using something like xml as, as has been mentioned, if you alter your object def...
null
CC BY-SA 2.5
null
2008-09-03T04:32:06.623
2008-09-03T04:32:06.623
null
null
2,279
null
41,171
2
null
41,162
2
null
I assume you meant something to indicate background activity during an Ajax call. I tend to have a CSS class which sets the background image to a little animated GIF, with appropriate padding and positioning (remember to turn background-repeat off), and then add and remove that class using a couple of JavaScript helpe...
null
CC BY-SA 2.5
null
2008-09-03T04:29:26.413
2008-09-03T04:29:26.413
null
null
3,542
null
41,166
2
null
41,162
6
null
this site will do it for you: [ajaxload](http://www.ajaxload.info/) and on OS X it's called the "Beachball" and I like to add "Of Death".
null
CC BY-SA 2.5
null
2008-09-03T04:22:17.943
2008-09-03T04:22:17.943
null
null
50
null
41,176
2
null
40,994
0
null
It's definitely fast. Gmail, Google Reader and Yahoo mail all load instantly. Can't say that for FF or Opera.
null
CC BY-SA 2.5
null
2008-09-03T04:32:54.330
2008-09-03T04:32:54.330
null
null
1,697
null
41,177
2
null
41,107
36
null
Here it is in Java: ``` import static java.lang.Math.round; import static java.lang.Math.random; import static java.lang.Math.pow; import static java.lang.Math.abs; import static java.lang.Math.min; import static org.apache.commons.lang.StringUtils.leftPad public class RandomAlphaNum { public static String gen(int ...
null
CC BY-SA 2.5
null
2008-09-03T04:37:02.040
2008-09-03T17:16:38.253
2008-09-03T17:16:38.253
3,434
3,434
null
41,175
2
null
41,159
9
null
Ok, this will find the list of Option objects that have a Value appearing in list. ``` var x = from list in optionLists from option in list where optionLists.All(l => l.Any(o => o.Value == option.Value)) orderby option.Value select option; ``` It doesn't do a "distinct" select so it'...
null
CC BY-SA 2.5
null
2008-09-03T04:32:09.010
2008-09-03T06:20:48.733
2008-09-03T06:20:48.733
615
615
null
41,178
2
null
41,134
0
null
Do you have different ruby versions on your system? If you're running the Darwin-supplied ruby binary, but installed ruby gems under /usr/local, then you'll get errors like this. Even if you've aliased ruby to point to /usr/local, the gem command may fail if the proper ruby binary is not resolved correctly by your sh...
null
CC BY-SA 2.5
null
2008-09-03T04:37:58.670
2008-09-03T04:37:58.670
null
null
3,499
null
41,151
2
null
40,692
2
null
It is definitely possible to create RESTful web services using ASP.NET. If you are starting a new project I would definitely look into creating RESTful web services using WCF. The 3.5 .NET Framework allows you to specify RESTful endpoint along with a regular old SOAP endpoint and still deliver the same service. All yo...
null
CC BY-SA 2.5
null
2008-09-03T03:52:48.247
2008-09-03T03:52:48.247
null
null
831
null
41,182
2
null
41,134
6
null
First of all as Orion Edwards said make sure you have rubygems 1.2. Unfortunately, > gem update --system did not work for me. Instead I had to: 1. Manually download rubygems-update-1.2.0 from rubyforge. 2. $ sudo gem install /path/to/rubygems-update-1.2.0.gem 3. $ update_rubygems Now that I had rubygems 1.2 I...
null
CC BY-SA 2.5
null
2008-09-03T04:41:27.477
2008-09-03T15:49:03.253
2008-09-03T15:49:03.253
1,797
1,797
null
41,185
1
41,202
null
1
880
I'm doing a fair bit of work in Ruby recently, and using ``` ruby script/console ``` Is absolutely critical. However, I'm really disappointed with the default Windows console in Vista, especially in that there's a really annoying bug where moving the cursor back when at the bottom of the screen irregularly causes it...
Vista Console App?
CC BY-SA 2.5
null
2008-09-03T04:42:04.573
2012-08-31T17:43:07.013
null
null
4,322
[ "windows", "ruby", "windows-vista", "console" ]
41,179
1
null
null
2
656
I have a number of users with multi-megabyte files that need to be processed before they can be uploaded. I am trying to find a way to do this without having to install any executable software on their machines. If every machine shipped with, say, Python it would be easy. I could have a Python script do everything. T...
Can you use the JavaScript engine in web browsers to process local files?
CC BY-SA 2.5
0
2008-09-03T04:38:35.033
2018-07-05T08:46:32.053
2008-09-03T15:41:33.660
4,262
4,262
[ "javascript" ]
41,188
1
41,209
null
5
5,017
I'm about to start a project that will record and edit audio files, and I'm looking for a good library (preferably Ruby, but will consider anything other than Java or .NET) for on-the-fly visualization of waveforms. Does anybody know where I should start my search?
Waveform Visualization in Ruby
CC BY-SA 2.5
0
2008-09-03T04:54:21.453
2019-08-26T08:33:48.383
null
null
2,293
[ "ruby", "audio", "mp3", "visualization", "waveform" ]
41,190
2
null
41,185
0
null
[Powershell](http://www.microsoft.com/windowsserver2003/technologies/management/powershell/default.mspx) > Windows PowerShell is Microsoft's task automation framework, consisting of a command-line shell and associated scripting language built on top of, and integrated with the .NET Framework. PowerShell provides full ...
null
CC BY-SA 3.0
null
2008-09-03T04:55:22.467
2012-08-31T17:43:07.013
2012-08-31T17:43:07.013
317,266
493
null
41,183
2
null
41,169
6
null
This is built into Firefox. Open up about:config, search for 'ntlm' The setting you're looking for is called network.automatic-ntlm-auth.trusted-uris and accepts a comma-space delimited list of your proxy server uris. This will make FireFox automatically send hashed copies of your windows password to the proxy, which...
null
CC BY-SA 3.0
null
2008-09-03T04:41:48.083
2012-09-05T19:31:06.383
2012-09-05T19:31:06.383
1,249
1,249
null
41,195
2
null
40,346
2
null
[Visual Studio Magazine](http://visualstudiomagazine.com/) has some gems every once in awhile
null
CC BY-SA 2.5
null
2008-09-03T05:00:35.933
2008-09-03T05:00:35.933
null
null
4,365
null
41,191
2
null
41,179
0
null
The application that I maintain and develop for work is an [HTML Application](http://msdn.microsoft.com/en-us/library/ms536471.aspx) or [HTA](http://msdn.microsoft.com/en-us/library/ms536471.aspx), linked with a SQL Server 2005 backend. This allows various security restrictions to be "avoided". All the client-side comp...
null
CC BY-SA 2.5
null
2008-09-03T04:56:25.770
2008-09-03T04:56:25.770
null
null
1,915
null
41,181
2
null
40,994
2
null
While in Microsoft: > Consuming twice as much RAM as Firefox and saturating the CPU with nearly six times as many execution threads, Microsoft's latest beta release of Internet Explorer 8 is in fact more demanding on your PC than Windows XP itself, research firm Devil Mountain Software found in performan...
null
CC BY-SA 2.5
null
2008-09-03T04:41:25.977
2008-09-03T04:41:25.977
null
null
4,213
null
41,192
2
null
40,863
3
null
@aku "I think WPF can greatly improve user experience." I believe that WPF has amazing potential as a tool to make UIs more creative and better suited to the actual data that is being displayed, BUT.............. Just the mere act of WPF isn't going to make great UIs appear out of nowhere. A great carpenter m...
null
CC BY-SA 2.5
null
2008-09-03T04:56:32.370
2009-05-25T01:49:38.780
2009-05-25T01:49:38.780
242
242
null
41,196
2
null
40,346
1
null
Definitely [Your Sinclair](http://en.wikipedia.org/wiki/Your_Sinclair). Hands down.
null
CC BY-SA 2.5
null
2008-09-03T05:02:57.987
2008-09-03T05:02:57.987
null
null
3,434
null
41,202
2
null
41,185
7
null
I use [Console2](http://sourceforge.net/projects/console/). I like the tabbed interface and that copy works properly if text breaks at the end of a line.
null
CC BY-SA 2.5
null
2008-09-03T05:11:52.037
2008-09-03T05:11:52.037
null
null
3,171
null
41,199
2
null
40,680
76
null
``` Request.Url.AbsoluteUri ``` This property does everything you need, all in one succinct call.
null
CC BY-SA 4.0
null
2008-09-03T05:06:25.950
2018-05-03T13:03:51.980
2018-05-03T13:03:51.980
3,873,776
1,220
null
41,203
2
null
41,198
6
null
In the markup after the image, insert something like `<div style="clear:left"/>`. A bit messy, but it's the easiest way I've found. And while you're at it, put a bit of margin on that image so the text doesn't butt up against it.
null
CC BY-SA 2.5
null
2008-09-03T05:13:40.613
2008-09-03T05:13:40.613
null
null
3,560
null
41,173
2
null
41,162
20
null
Google to find lots of images and image generators (the "spinning" image itself is an animated GIF). Here is [one link](http://www.ajaxload.info/) to get you started. With the image in hand, use JQuery to toggle the visibility of the image (or perhaps its parent DIV tag). See [this link](http://skfox.com/2008/04/28...
null
CC BY-SA 3.0
null
2008-09-03T04:32:03.270
2018-04-20T08:19:03.270
2018-04-20T08:19:03.270
7,600,492
2,536
null
41,198
1
41,235
null
24
26,147
How can I get an image to stretch the height of a `DIV` class? Currently it looks like this: ![](https://i.stack.imgur.com/DcrXC.png) However, I would like the `DIV` to be stretched so the `image` fits properly, but I do not want to resize the `image. Here is the CSS for the `DIV` (the grey box): ``` .product1 { ...
Getting image to stretch a div
CC BY-SA 4.0
0
2008-09-03T05:05:37.777
2020-02-26T13:49:50.797
2020-02-26T13:49:50.797
11,393,381
2,592
[ "css", "image" ]
41,156
2
null
41,107
1,625
null
## Algorithm To generate a random string, concatenate characters drawn randomly from the set of acceptable symbols until the string reaches the desired length. ## Implementation Here's some fairly simple and very flexible code for generating random identifiers. for important application notes. ``` public class R...
null
CC BY-SA 4.0
null
2008-09-03T04:04:24.647
2021-09-27T07:27:27.933
2021-10-07T07:34:52.683
-1
3,474
null
41,201
2
null
41,198
1
null
``` display:inline float:left ``` is your problem Floating makes the parents width not be stretched by the child, try placing the image without the float. If you take the float off, it should give you the desired effect. Another approach would be to make sure you are clearing your floats at the end of the parent e...
null
CC BY-SA 2.5
null
2008-09-03T05:11:04.300
2008-09-03T05:11:04.300
null
null
1,220
null
41,204
1
null
null
1
1,408
Is there a fast and clean way of returning a JSON hash back from any node in a Ruby on Rails' acts_as_nested_set without using recursion? Here's the recursive solution for reference: ``` class Node < ActiveRecord::Base has_many :products def json_hash if children.size > 0 children.collect { |node| { nod...
Can Ruby convert an acts_as_nested_set to a JSON hash cleanly without recursion?
CC BY-SA 2.5
null
2008-09-03T05:15:24.600
2012-08-21T12:31:48.660
null
null
3,499
[ "ruby-on-rails", "ruby", "recursion" ]
41,209
2
null
41,188
3
null
That's a lot of data to be streaming into a browser. Flash or Flex charts is probably the only solution that will be memory efficient. Javascript charting tends to break-down for large data sets.
null
CC BY-SA 2.5
null
2008-09-03T05:29:16.877
2008-09-03T05:29:16.877
null
null
3,499
null
41,213
2
null
41,188
1
null
The other option is generating the waveforms on the server-side with GD or RMagick. But good luck getting RubyGD to compile.
null
CC BY-SA 2.5
null
2008-09-03T05:33:54.620
2008-09-03T05:33:54.620
null
null
3,499
null
41,214
2
null
40,719
2
null
As a follow up, there is a little more information in the FAQs at the Apple Developer Connection (ADC) website: [http://developer.apple.com/faq/datatype.html](http://developer.apple.com/faq/datatype.html)
null
CC BY-SA 2.5
null
2008-09-03T05:41:09.703
2008-09-03T05:52:22.110
2008-09-03T05:52:22.110
4,314
4,314
null
41,218
1
43,384
null
16
15,387
I am running MAMP locally on my laptop, and I like to test as much as I can locally. Unfortunately, since I work on e-commerce stuff (PHP), I normally force ssl in most of the checkout forms and it just fails on my laptop. Is there any easy configuration that I might be missing to allow "https" to run under MAMP? Pleas...
Testing HTTPS files with MAMP
CC BY-SA 2.5
0
2008-09-03T05:44:06.747
2015-05-06T04:33:48.810
null
null
4,247
[ "apache", "macos", "ssl", "https", "mamp" ]
41,206
2
null
40,863
12
null
I recommend that you read [Steve Krug's Don't Make Me Think](https://rads.stackoverflow.com/amzn/click/com/0789723107) first. The book has a great checklist of things that you have to take into consideration when designing your UIs. While it's focused on web usability, a lot of the lessons therein are valuable even to ...
null
CC BY-SA 2.5
null
2008-09-03T05:25:38.477
2009-06-22T07:42:57.730
2009-06-22T07:42:57.730
372
372
null
41,219
2
null
36,014
2
null
I downloaded your code and everything work as expected. Visual Studio debugger correctly intercepts all exceptions. Catch blocks work as expected. I'm running Windows 2003 server SP2, VS2008 Team Suite (9.0.30729.1 SP) I tried to compile you project for .NET 2.0, 3.0 & 3.5 @Steve Steiner, debugger options you...
null
CC BY-SA 2.5
null
2008-09-03T05:44:32.970
2008-09-03T05:52:15.573
2008-09-03T05:52:15.573
1,196
1,196
null
41,208
2
null
36,014
31
null
I believe I understand the problem. The exception is being caught, the issue is confusion over the debugger's behavior and differences in the debugger settings among each person trying to repro it. In the 3rd case from your repro I believe you are getting the following message: "NoViableAltException was unhandled by u...
null
CC BY-SA 2.5
null
2008-09-03T05:27:31.937
2008-09-05T05:54:23.383
2008-09-05T05:54:23.383
1
3,892
null