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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
20,024 | 2 | null | 19,995 | 2 | null | It's possible to achive what you're aiming at through the use of persistent http connections.
Check out the [Comet article](http://en.wikipedia.org/wiki/Comet_%28programming%29) over at wikipedia, that's a good place to start.
You're not providing much info but if you're looking at building some kind of event-driven ... | null | CC BY-SA 2.5 | null | 2008-08-21T14:11:10.597 | 2008-11-28T09:26:47.317 | 2008-11-28T09:26:47.317 | 745 | 2,114 | null |
20,056 | 2 | null | 20,047 | 7 | null | > Will you care if your user profile is a few seconds out of date?
Nope - that's perfectly acceptable. Setting the base transaction isolation level is probably the best/cleanest way to go.
| null | CC BY-SA 2.5 | null | 2008-08-21T14:22:43.563 | 2008-08-21T14:22:43.563 | null | null | 35 | null |
20,054 | 1 | 20,072 | null | 5 | 2,341 | I shudder to ask, but my client might offer no other SQL (or SQL-like) solution. I know Access has some SQL hooks; are they enough for basic ActiveRecord?
I appreciate all the suggestions to use other databases, but trust me: I've tried convincing them. There is an "approved" list, and no SQL databases are on it. ... | Any tips on getting Rails to run with an Access back-end? | CC BY-SA 2.5 | 0 | 2008-08-21T14:21:55.687 | 2009-03-10T04:13:42.590 | 2009-01-27T06:15:22.063 | 1,348 | 1,190 | [
"ruby-on-rails",
"ruby",
"ms-access",
"activerecord"
] |
20,049 | 2 | null | 930 | 4 | null | If you are querying a SQL Server database (Version 7 and up) you should replace the OleDb classes with corresponding classes in the [System.Data.SqlClient](https://learn.microsoft.com/en-us/dotnet/api/system.data.sqlclient) namespace ([SqlConnection](https://learn.microsoft.com/en-us/dotnet/api/system.data.sqlclient.sq... | null | CC BY-SA 4.0 | null | 2008-08-21T14:19:29.530 | 2019-12-18T12:26:06.507 | 2019-12-18T12:26:06.507 | 5,407,188 | 202 | null |
20,058 | 2 | null | 20,040 | 2 | null | Start with the basics before you get to the higher level stuff like web services (though that is important too). The most important things you need to learn, as a project manager, are the things you're going to be questioning your underlings about later. For example, my PM (also a PHP guy) has absolutely no knowledge o... | null | CC BY-SA 2.5 | null | 2008-08-21T14:23:40.753 | 2008-08-24T07:13:01.827 | 2008-08-24T07:13:01.827 | 1,975,282 | 1,975,282 | null |
20,047 | 1 | 21,158 | null | 82 | 29,254 | We're seeing some pernicious, but rare, deadlock conditions in the Stack Overflow SQL Server 2005 database.
I attached the profiler, set up a trace profile using [this excellent article on troubleshooting deadlocks](http://www.simple-talk.com/sql/learn-sql-server/how-to-track-down-deadlocks-using-sql-server-2005-profi... | Diagnosing Deadlocks in SQL Server 2005 | CC BY-SA 3.0 | 0 | 2008-08-21T14:18:41.640 | 2017-12-24T04:25:39.473 | 2011-12-06T23:55:00.027 | 396,458 | 1 | [
"sql-server",
"sql-server-2005",
"deadlock"
] |
20,061 | 1 | 20,130 | null | 16 | 9,393 | I've recently taken up learning some C# and wrote a Yahtzee clone. My next step (now that the game logic is in place and functioning correctly) is to integrate some method of keeping stats across all the games played.
My question is this, how should I go about storing this information? My first thought would be to u... | Store data from a C# application | CC BY-SA 3.0 | 0 | 2008-08-21T14:24:25.120 | 2012-07-03T13:29:48.633 | 2012-07-03T13:29:48.633 | 50,776 | 271 | [
"c#",
".net"
] |
20,067 | 2 | null | 20,059 | 7 | null | I recently saw a presentation about [GreenFoot](http://www.greenfoot.org/) (a java based learning environment for children). It looked awesome. If I would have kids, I would give it a try
[Link to the presentation](http://www.youtube.com/watch?v=Tcwx-I6Arwk)
It is a very playful environment, where you could start wit... | null | CC BY-SA 2.5 | null | 2008-08-21T14:25:51.980 | 2008-08-21T14:25:51.980 | null | null | 1,870 | null |
20,068 | 2 | null | 20,059 | 1 | null | I think Java might be a good choice simply because you can make GUIs easily, and see "cool things" happening. For the same reason, maybe any of the .NET languages. I've also heard good things about scripting languages (Ruby and Python, especially) for getting kids to learn how to program.
| null | CC BY-SA 2.5 | null | 2008-08-21T14:26:29.017 | 2008-08-21T14:26:29.017 | null | null | 572 | null |
20,072 | 2 | null | 20,054 | 3 | null | It's a long shot but there's an [ODBC adapter for ActiveRecord](http://odbc-rails.rubyforge.org/) that might work.
| null | CC BY-SA 2.5 | null | 2008-08-21T14:27:24.880 | 2008-08-21T14:27:24.880 | null | null | 1,450 | null |
20,071 | 2 | null | 20,059 | 6 | null | Check out [Phrogram](http://phrogram.com/) (formerly KPL) and [Alice](http://www.alice.org/)
| null | CC BY-SA 2.5 | null | 2008-08-21T14:27:00.030 | 2008-08-21T14:27:00.030 | null | null | 1,097 | null |
20,059 | 1 | 20,132 | null | 45 | 8,592 | What languages and tools do you consider a youngster starting out in programming should use in the modern era?
Lots of us started with proprietary Basics and they didn't do all of us long term harm :) but given the experiences you have had since then and your knowledge of the domain now are there better options?
Ther... | Suggestions on starting a child programming | CC BY-SA 2.5 | 0 | 2008-08-21T14:23:53.483 | 2010-12-04T12:16:34.267 | 2017-05-23T12:13:37.900 | -1 | 269 | [
"language-agnostic",
"children"
] |
20,075 | 2 | null | 20,040 | 1 | null | The biggest thing you'll probably want to learn is the differences between Windows and non-Windows programmers. They approach fundamental things differently. Knowing the difference will be key to successfully managing the project. If you listen to the stack overflow podcast, and Jeff and Joel have multiple discussio... | null | CC BY-SA 2.5 | null | 2008-08-21T14:27:46.203 | 2008-08-21T14:27:46.203 | null | null | 1,942 | null |
20,023 | 2 | null | 9,173 | 2 | null | I don't think this is a code issue. What I can see happening is that one of your existing references probably rely on that type in their own types which you are probably creating in your application.
If that is the case you do need that reference even if you don't explicitly use the type and even though the other refe... | null | CC BY-SA 2.5 | null | 2008-08-21T14:11:02.750 | 2008-08-21T14:11:02.750 | null | null | 1,120 | null |
20,069 | 2 | null | 20,063 | 15 | null | Pretty much everybody is using [getopt](http://python.active-venture.com/lib/module-getopt.html)
Here is the example code for the doc :
```
import getopt, sys
def main():
try:
opts, args = getopt.getopt(sys.argv[1:], "ho:v", ["help", "output="])
except getopt.GetoptError:
# print help informa... | null | CC BY-SA 3.0 | null | 2008-08-21T14:26:57.097 | 2014-07-16T17:36:53.513 | 2014-07-16T17:36:53.513 | 296,460 | 446,497 | null |
20,078 | 2 | null | 20,059 | 3 | null | How old? Lots of us stared with BASIC at some point, but before then, I learned the concepts of stringing commands together, variables, and looping with LOGO. Figuring out how to draw a circle with a triangle that can only go in a straight line and turn was my very first programming accomplishment.
Edit: This questi... | null | CC BY-SA 2.5 | null | 2008-08-21T14:28:41.583 | 2008-08-21T14:44:42.653 | 2008-08-21T14:44:42.670 | 35 | 35 | null |
20,077 | 2 | null | 20,059 | 8 | null | For a child, I would go with [Alice](http://www.alice.org/). Any kid is going to like the drag-and-drop interaction that Alice uses better than trying to remember how to spell and punctuate any programming language. He/She will learn the basic programming structures (conditionals, loops, etc.) and will experience the... | null | CC BY-SA 2.5 | null | 2008-08-21T14:28:23.567 | 2008-08-21T14:28:23.567 | null | null | 271 | null |
20,080 | 2 | null | 20,059 | 5 | null | I'd recommend python, because it's so terse and expressive. Seems less likely to frustrate when getting started, but offers plenty of room to learn more advanced concepts as well.
| null | CC BY-SA 2.5 | null | 2008-08-21T14:29:47.230 | 2009-01-17T16:29:19.660 | 2009-01-17T16:29:19.660 | 31,615 | 794 | null |
20,063 | 1 | 26,910 | null | 340 | 326,771 | What's the , , and most method or library for parsing Python command line arguments?
| What's the best way to parse command line arguments? | CC BY-SA 3.0 | 0 | 2008-08-21T14:24:41.530 | 2022-07-02T02:39:15.133 | 2018-03-19T23:35:19.367 | 6,622,817 | 1,335 | [
"python",
"command-line",
"command-line-arguments"
] |
20,065 | 2 | null | 20,063 | 14 | null | Use `optparse` which comes with the standard library. For example:
```
#!/usr/bin/env python
import optparse
def main():
p = optparse.OptionParser()
p.add_option('--person', '-p', default="world")
options, arguments = p.parse_args()
print 'Hello %s' % options.person
if __name__ == '__main__':
main()
```
... | null | CC BY-SA 3.0 | null | 2008-08-21T14:25:19.767 | 2015-05-01T19:37:29.157 | 2017-05-23T11:54:59.723 | -1 | 1,595 | null |
20,021 | 1 | 20,215 | null | 11 | 1,708 | I'm currently looking at the Python framework Django for future db-based web apps as well as for a port of some apps currently written in PHP. One of the nastier issues during my last years was keeping track of database schema changes and deploying these changes to productive systems. I haven't dared asking for being a... | Version track, automate DB schema changes with django | CC BY-SA 2.5 | null | 2008-08-21T14:10:25.123 | 2013-07-23T15:19:07.270 | 2017-05-23T11:48:37.237 | -1 | 2,077 | [
"database",
"django",
"svn"
] |
20,082 | 2 | null | 20,040 | 1 | null | The #1 thing you need to be aware of (and I'm guessing you probably already are) is that the guys doing the coding know what they are doing. Depending on the personailties of the members of your team, you should be able to find someone who is willing and able to explain any of the intricacies to you on an as-required... | null | CC BY-SA 2.5 | null | 2008-08-21T14:30:19.037 | 2008-08-21T14:30:19.037 | null | null | 377 | null |
20,089 | 2 | null | 20,061 | 3 | null | I don't know if a database is necessarily what you want. That may be overkill for storing stats for a simple game like that. Databases are good; but you should not automatically use one in every situation (I'm assuming that this is a client application, not an online game).
Personally, for a game that exists only on t... | null | CC BY-SA 2.5 | null | 2008-08-21T14:32:19.923 | 2008-08-21T14:32:19.923 | null | null | 1,975,282 | null |
20,087 | 2 | null | 20,061 | 13 | null | A database would probably be overkill for something like this - start with storing your information in an XML doc (or series of XML docs, if there's a lot of data). You get all that nifty XCopy deployment stuff, you can still use LINQ, and it would be a smooth transition to a database if you decided later you really n... | null | CC BY-SA 2.5 | null | 2008-08-21T14:31:47.863 | 2008-08-21T14:31:47.863 | null | null | 35 | null |
20,086 | 2 | null | 20,061 | 7 | null | A database may be overkill - have you thought about just storing the scores in a file?
If you decide to go with a database, you might consider [SQLite](http://sqlite.org/), which you can distribute just like a file. There's an open source .NET provider - [System.Data.SQLite](http://sqlite.phxsoftware.com/) - that incl... | null | CC BY-SA 2.5 | null | 2008-08-21T14:31:45.353 | 2008-08-21T14:31:45.353 | 2017-05-23T12:17:02.420 | -1 | 521 | null |
20,081 | 1 | 97,091 | null | 4 | 6,337 | I've written PL/SQL code to denormalize a table into a much-easer-to-query form. The code uses a temporary table to do some of its work, merging some rows from the original table together.
The logic is written as a [pipelined table function](http://www.oreillynet.com/lpt/a/3136), following the pattern from the linked ... | Best way to encapsulate complex Oracle PL/SQL cursor logic as a view? | CC BY-SA 2.5 | 0 | 2008-08-21T14:29:48.773 | 2019-02-05T07:06:14.957 | 2008-09-18T16:10:23.977 | 726 | 726 | [
"sql",
"oracle",
"plsql"
] |
20,083 | 2 | null | 20,059 | 2 | null | Though _why hasn't given it much love in the past year or so, for a while I was really excited about [Hackety Hack](http://hacketyhack.net/). I think the key for most new programmers, especially children who are more than apt to losing interest in things, is instantaneous feedback. That was the really wonderful thing a... | null | CC BY-SA 2.5 | null | 2008-08-21T14:30:52.827 | 2008-08-21T14:30:52.827 | null | null | 2,286 | null |
20,088 | 1 | 20,114 | null | 109 | 302,633 | I am maintaining a few web applications. The development and qa environments use invalid/outdated ssl-certificates.
Although it is generally a good thing, that Firefox makes me click like a dozen times to accept the certificate, this is pretty annoying.
Is there a configuration-parameter to make Firefox (and possibly... | Is there a way to make Firefox ignore invalid ssl-certificates? | CC BY-SA 3.0 | 0 | 2008-08-21T14:31:50.063 | 2022-04-16T01:24:50.773 | 2022-04-16T01:24:50.773 | 114,029 | 1,870 | [
"debugging",
"ssl",
"firefox",
"ssl-certificate"
] |
20,090 | 2 | null | 20,059 | 5 | null | > For a child, I would go with Alice.
Here is another vote for Alice. My 4 kids have had a ton of fun working with it and learning the basic concepts of programming. Of course to them it's all about socializing with fairies and ogres, but heck the darn legacy system I work on could use some faries and ogres too.
| null | CC BY-SA 2.5 | null | 2008-08-21T14:32:34.803 | 2008-08-21T14:32:34.803 | null | null | 1,327 | null |
20,092 | 2 | null | 20,059 | 2 | null | I think you should start them off in C. The sooner they can get the hang of pointers the better.
See [Understanding Pointers](https://stackoverflow.com/questions/5727/understanding-pointers) and [Should I learn C](https://stackoverflow.com/questions/296/should-i-learn-c).
| null | CC BY-SA 2.5 | null | 2008-08-21T14:32:55.193 | 2008-08-21T14:32:55.193 | 2017-05-23T11:48:37.237 | -1 | 381 | null |
20,093 | 2 | null | 20,059 | 13 | null | I'll second Geoff's suggestions of [Phrogram (used to be KPL)](http://phrogram.com/), and [Alice](http://www.alice.org/).
My only other suggestion is [Lego Mindstorms NXT](http://mindstorms.lego.com/). The NXT's programming language is drag-and-drop, is very easy to use, and can do some very complicated tasks once yo... | null | CC BY-SA 2.5 | null | 2008-08-21T14:33:45.817 | 2008-08-21T14:33:45.817 | null | null | 100 | null |
20,095 | 2 | null | 20,061 | 4 | null | [SQL Express](http://www.microsoft.com/sql/editions/express/default.mspx) from MS is a great free, lightweight version of their SQL Server database. You could try that if you go the DB route.
Alternatively, you could simply create datasets within the application and serialize them to xml, or you could use something li... | null | CC BY-SA 2.5 | null | 2008-08-21T14:34:15.300 | 2008-08-21T14:34:15.300 | null | null | 1,365 | null |
20,101 | 2 | null | 20,047 | 14 | null | Are you instantiating a new LINQ to SQL DataContext object for every operation or are you perhaps sharing the same static context for all your calls? I originally tried the latter approach, and from what I remember, it caused unwanted locking in the DB. I now create a new context for every atomic operation.
| null | CC BY-SA 2.5 | null | 2008-08-21T14:35:41.973 | 2008-08-21T14:35:41.973 | null | null | 1,436 | null |
20,084 | 1 | 985,495 | null | 86 | 57,618 | Following on from my [previous question](https://stackoverflow.com/questions/19454/enforce-attribute-decoration-of-classesmethods) I have been working on getting my object model to serialize to XML. But I have now run into a problem (quelle surprise!).
The problem I have is that I have a collection, which is of a abst... | XML Serialization and Inherited Types | CC BY-SA 3.0 | 0 | 2008-08-21T14:30:53.497 | 2015-08-21T12:46:19.117 | 2017-05-23T12:00:17.880 | -1 | 832 | [
"c#",
"xml",
"inheritance",
"serialization",
"xml-serialization"
] |
20,094 | 2 | null | 20,047 | 0 | null | I would have to agree with Greg so long as setting the isolation level to read uncommitted doesn't have any ill effects on other queries.
I'd be interested to know, Jeff, how setting it at the database level would affect a query such as the following:
```
Begin Tran
Insert into Table (Columns) Values (Values)
Select ... | null | CC BY-SA 2.5 | null | 2008-08-21T14:33:57.843 | 2008-08-21T14:33:57.843 | null | null | 383 | null |
20,098 | 2 | null | 20,084 | 9 | null | One thing to look at is the fact that in the XmlSerialiser constructor you can pass an array of types that the serialiser might be having difficulty resolving. I've had to use that quite a few times where a collection or complex set of datastructures needed to be serialised and those types lived in different assemblies... | null | CC BY-SA 2.5 | null | 2008-08-21T14:35:04.173 | 2008-08-21T14:40:35.317 | 2008-08-21T14:40:35.317 | 1,120 | 1,120 | null |
20,097 | 2 | null | 20,084 | 1 | null | I've done things similar to this. What I normally do is make sure all the XML serialization attributes are on the concrete class, and just have the properties on that class call through to the base classes (where required) to retrieve information that will be de/serialized when the serializer calls on those properties.... | null | CC BY-SA 2.5 | null | 2008-08-21T14:34:43.910 | 2008-08-21T14:34:43.910 | null | null | 1,975,282 | null |
20,105 | 2 | null | 20,047 | 1 | null | > Will you care if your user profile is a few seconds out of date?
A few seconds would definitely be acceptable. It doesn't seem like it would be that long, anyways, unless a huge number of people are submitting answers at the same time.
| null | CC BY-SA 2.5 | null | 2008-08-21T14:36:37.930 | 2008-08-21T14:36:37.930 | null | null | 1,497 | null |
20,113 | 2 | null | 20,088 | 2 | null | Using a free certificate is a better idea if your developers use Firefox 3. Firefox 3 complains loudly about self-signed certificates, and it is a major annoyance.
| null | CC BY-SA 2.5 | null | 2008-08-21T14:37:31.687 | 2008-08-21T14:37:31.687 | null | null | 400,427 | null |
20,100 | 2 | null | 20,088 | 2 | null | Instead of using invalid/outdated SSL certificates, why not use self-signed SSL certificates? Then you can add an exception in Firefox for just that site.
| null | CC BY-SA 2.5 | null | 2008-08-21T14:35:41.723 | 2008-08-21T14:35:41.723 | null | null | 1,960 | null |
20,111 | 2 | null | 20,088 | 0 | null | The [MitM Me addon](https://addons.mozilla.org/en-US/firefox/addon/6843) will do this - but I think self-signed certificates is probably a better solution.
| null | CC BY-SA 2.5 | null | 2008-08-21T14:37:26.290 | 2008-08-21T14:37:26.290 | null | null | 521 | null |
20,117 | 2 | null | 20,061 | 1 | null | You can either use the `System::Xml` namespace or the `System::Data` namespace. The first gives you raw XML, the latter gives you a handy wrapper to the XML.
| null | CC BY-SA 3.0 | null | 2008-08-21T14:38:57.863 | 2012-07-03T13:20:51.900 | 2012-07-03T13:20:51.900 | 142,162 | 1,898 | null |
20,115 | 2 | null | 20,059 | 3 | null | I think python is a good alternative; it is a very powerful language also you can easily do a lot of things (not boring at all).
| null | CC BY-SA 2.5 | null | 2008-08-21T14:37:51.750 | 2008-08-21T14:37:51.750 | null | null | 2,143 | null |
20,114 | 2 | null | 20,088 | 26 | null | Go to Tools > Options > Advanced "Tab"(?) > Encryption Tab
Click the "Validation" button, and uncheck the checkbox for checking validity
Be advised though that this is pretty unsecure as it leaves you wide open to accept any invalid certificate. I'd only do this if using the browser on an Intranet where the validity ... | null | CC BY-SA 2.5 | null | 2008-08-21T14:37:43.293 | 2008-08-21T14:37:43.293 | null | null | 392 | null |
20,120 | 2 | null | 20,107 | 2 | null | As long as your styles are loaded after the reset ones they should work. What browser is this? because I work in a similar way myself and I've not hit this problem I wonder if it's something in my testing at fault.
| null | CC BY-SA 2.5 | null | 2008-08-21T14:39:43.023 | 2008-08-21T14:39:43.023 | null | null | 269 | null |
20,126 | 2 | null | 20,084 | 3 | null | Seriously, an extensible framework of POCOs will never serialize to XML reliably. I say this because I can guarantee someone will come along, extend your class, and botch it up.
You should look into using XAML for serializing your object graphs. It is designed to do this, whereas XML serialization isn't.
The Xaml... | null | CC BY-SA 3.0 | null | 2008-08-21T14:41:03.693 | 2015-08-21T12:46:19.117 | 2015-08-21T12:46:19.117 | null | null | null |
20,118 | 2 | null | 20,107 | 19 | null | If your strong declaration comes after YUI's yours should override it. You can force it like this:
```
strong, b, strong *, b * { font-weight: bold; }
em, i, em *, i * { font-style: italic; }
```
If you still support IE7 you'll need to add `!important`.
```
strong, b, strong *, b * { font-weight: bold !important; }... | null | CC BY-SA 3.0 | null | 2008-08-21T14:39:10.810 | 2015-08-06T20:52:31.960 | 2015-08-06T20:52:31.960 | 437 | 521 | null |
20,119 | 2 | null | 20,054 | 1 | null | Another option that is more complicated but could work if you were forced to do it, is to write a layer of RESTful web services that will expose Access to rails. If you are careful in your design, those RESTful web services can be consumed directly by ActiveResoure which will give you a lot of the functionality of Acti... | null | CC BY-SA 2.5 | null | 2008-08-21T14:39:27.283 | 2008-08-21T14:39:27.283 | null | null | 1,486 | null |
20,131 | 2 | null | 20,059 | 1 | null | Well, if they're young and haven't learnt their ABC's you could try them on BF - non of those pesky letters and numbers to deal with.
I'll get me' coat.
Skizz
| null | CC BY-SA 2.5 | null | 2008-08-21T14:42:57.277 | 2008-08-21T14:42:57.277 | null | null | 1,898 | null |
20,133 | 2 | null | 18,324 | 6 | null | The problem turned out to be that I wasn't setting up my descriptor tables correctly. I had one bit flipped wrong so instead of going to 16-bit mode I was going to 32-bit mode (with segments that happened to have a limit of one meg).
Thanks for the suggestions!
Terry
| null | CC BY-SA 2.5 | null | 2008-08-21T14:43:15.480 | 2008-08-21T14:43:15.480 | null | null | 2,171 | null |
20,130 | 2 | null | 20,061 | 17 | null | Here is one idea: use Xml Serialization. Design your GameStats data structure and optionally use Xml attributes to influence the schema as you like. I like to use this method for small data sets because its quick and easy and all I need to do is design and manipulate the data structure.
```
using (FileStream fs = ne... | null | CC BY-SA 2.5 | null | 2008-08-21T14:42:36.560 | 2008-08-21T14:42:36.560 | null | null | 1,254 | null |
20,132 | 2 | null | 20,059 | 43 | null | I would suggest [LEGO Mindstorm](http://mindstorms.lego.com/Products/Default.aspx), it provides an intuitive drag and drop interface for programming and because it comes with hardware it provides something tangible for a child to grasp. Also, because it is "LEGO" they might think of it as more of a game then a programm... | null | CC BY-SA 2.5 | null | 2008-08-21T14:43:13.670 | 2008-08-21T14:43:13.670 | null | null | 1,377 | null |
20,138 | 2 | null | 20,107 | 7 | null | I would use this rule to override the YUI reset:
```
strong, b, strong *, b *
{
font-weight: bold;
}
em, i, em *, i *
{
font-style: italic;
}
```
| null | CC BY-SA 3.0 | null | 2008-08-21T14:46:44.723 | 2016-01-14T20:07:02.937 | 2016-01-14T20:07:02.937 | 2,678,454 | 1,414 | null |
20,141 | 2 | null | 20,127 | 0 | null | Optimising bytecode is probably an oxymoron in most cases. Unless you control the VM, you have no idea what it does to speed up code execution, if anything. The compiler would need to know the details of the VM in order to generate optimised code.
| null | CC BY-SA 3.0 | null | 2008-08-21T14:47:55.953 | 2012-07-03T13:22:36.597 | 2012-07-03T13:22:36.597 | 142,162 | 1,898 | null |
20,140 | 2 | null | 20,061 | 1 | null | I would recommend just using a database. I would recommend using LINQ or an ORM tool to interact with the database. For learning LINQ, I would take a look at Scott Guthrie's posts. I think there are 9 of them all together. I linked part 1 below. If you want to go with an ORM tool, say nhibernate, then I would reco... | null | CC BY-SA 2.5 | null | 2008-08-21T14:47:24.363 | 2008-08-21T14:47:24.363 | null | null | 1,117 | null |
20,116 | 2 | null | 20,040 | 3 | null | The number one rule is do NOT just ask for status updates. It is Especially when phrases like "where are we on this?" are used. If you aren't directly involved in the details then just make sure you have established communication times or plans so that you know whats going on rather than asking for updates.
| null | CC BY-SA 2.5 | null | 2008-08-21T14:37:57.710 | 2008-08-21T14:37:57.710 | null | null | 1,940 | null |
20,127 | 1 | 20,870 | null | 12 | 4,117 | I am messing around with [a toy interpreter in Java](http://code.google.com/p/zemscript/) and I was considering trying to write a simple compiler that can generate bytecode for the Java Virtual Machine. Which got me thinking, how much optimization needs to be done by compilers that target virtual machines such as JVM a... | Virtual Machine Optimization | CC BY-SA 2.5 | null | 2008-08-21T14:41:31.023 | 2012-07-03T13:22:57.827 | 2008-08-21T14:42:13.737 | 35 | 486 | [
"java",
"jvm",
"jit",
"cil"
] |
20,139 | 2 | null | 19,843 | 2 | null | One more way to do it, this time some reflection in the mix:
```
static class Parser
{
public static bool TryParse<TType>( string str, out TType x )
{
// Get the type on that TryParse shall be called
Type objType = typeof( TType );
// Enumerate the methods of TType
foreach( Met... | null | CC BY-SA 2.5 | null | 2008-08-21T14:46:46.097 | 2008-08-21T14:46:46.097 | null | null | 1,810 | null |
20,129 | 2 | null | 20,059 | 3 | null | Checkout [Squeak](http://squeak.org/) developed by [Alan Kay](http://en.wikipedia.org/wiki/Alan_Kay) who think programming should be taught at early ages.
| null | CC BY-SA 2.5 | null | 2008-08-21T14:42:15.017 | 2008-08-21T14:42:15.017 | null | null | 842 | null |
20,143 | 2 | null | 20,047 | 0 | null | It's fine with me if my profile is even several minutes out of date.
Are you re-trying the read after it fails? It's certainly possible when firing a ton of random reads that a few will hit when they can't read. Most of the applications that I work with are very few writes compared to the number of reads and I'm sur... | null | CC BY-SA 2.5 | null | 2008-08-21T14:48:35.343 | 2008-08-21T14:48:35.343 | null | null | 791 | null |
20,144 | 2 | null | 20,061 | 2 | null | I'd recommend saving your data in simple POCOs and either serializing them to xml or a binary file, like Brian did above.
If you're hot for a database, I'd suggest [Sql Server Compact Edition](http://www.microsoft.com/sql/editions/compact/default.mspx), or [VistaDB](http://www.vistadb.net/). Both are hosted inproc wi... | null | CC BY-SA 2.5 | null | 2008-08-21T14:49:24.843 | 2008-08-21T14:49:24.843 | null | null | null | null |
20,150 | 2 | null | 20,146 | 0 | null | I don't know of any built in (within the framework) classes to do this, but I imagine it wouldn't be too much of an issue to roll your own..
Obviously it depends on the type of data you want to write to it, and the "security" required..
[This article](http://www.developerfusion.co.uk/show/3913/) on DevFusion may be a... | null | CC BY-SA 2.5 | null | 2008-08-21T14:52:41.887 | 2008-08-21T14:52:41.887 | null | null | 832 | null |
20,151 | 2 | null | 20,127 | 4 | null | > Optimising bytecode is probably an oxymoron in most cases
I don't think that's true. Optimizations like hoisting loop invariants and propagating constants can never hurt, even if the JVM is smart enough to do them on its own, by simple virtue of making the code do less work.
| null | CC BY-SA 2.5 | null | 2008-08-21T14:52:55.690 | 2008-08-21T14:52:55.690 | null | null | 2,131 | null |
20,147 | 2 | null | 20,047 | 3 | null | @Jeff - I am definitely not an expert on this, but I have had good results with instantiating a new context on almost every call. I think it's similar to creating a new Connection object on every call with ADO. The overhead isn't as bad as you would think, since connection pooling will still be used anyway.
I just use... | null | CC BY-SA 2.5 | null | 2008-08-21T14:50:34.450 | 2008-08-21T15:22:45.230 | 2008-08-21T15:22:45.230 | 1,436 | 1,436 | null |
20,154 | 2 | null | 19,838 | 10 | null | The concept of closures requires the concept of contexts. C's context is based on the stack and the registers of the CPU, so to create a block/closure, you need to be able to manipulate the stack pointer in a correct (and reentrant) way, and store/restore registers as needed.
The way this is done by interpreters or vi... | null | CC BY-SA 3.0 | null | 2008-08-21T14:53:49.933 | 2011-12-26T02:00:48.957 | 2011-12-26T02:00:48.957 | 39,992 | 2,018 | null |
20,153 | 2 | null | 20,146 | 9 | null | Path.GetTempFileName and Path.GetTempPath. Then you can use [this link](https://web.archive.org/web/20091108030151/http://www.csharphelp.com/archives2/archive315.html) to read/write encrypted data to the file.
Note, .NET isn't the best platform for critical security apps. You have to be well versed in how the CLR wo... | null | CC BY-SA 3.0 | null | 2008-08-21T14:53:04.473 | 2014-11-03T09:21:50.857 | 2014-11-03T09:21:50.857 | 2,213,647 | null | null |
20,148 | 1 | null | null | 891 | 303,419 | I'm working on a projects which involves a lot of database writes, I'd say (). This ratio would also include updates which I consider to be one read and one write. The reads can be dirty (e.g. I don't need 100% accurate information at the time of read).
The task in question will be doing over 1 million database trans... | MyISAM versus InnoDB | CC BY-SA 3.0 | 0 | 2008-08-21T14:50:52.780 | 2020-02-07T10:14:28.370 | 2013-02-26T21:30:14.330 | 19,679 | 2,013 | [
"mysql",
"database",
"performance",
"innodb",
"myisam"
] |
20,146 | 1 | null | null | 17 | 39,801 | I'm looking for something like the `tempfile` module in Python: A (preferably) secure way to open a file for writing to. This should be easy to delete when I'm done too...
It seems, .NET does not have the "batteries included" features of the `tempfile` module, which not only creates the file, but returns the file descr... | How to create a temporary file (for writing to) in C#? | CC BY-SA 4.0 | null | 2008-08-21T14:50:03.623 | 2022-06-03T09:39:19.540 | 2022-06-03T09:39:19.540 | 366,904 | 2,260 | [
"c#",
".net",
"windows",
"temporary-files"
] |
20,145 | 2 | null | 20,107 | 6 | null | If in addition to using YUI reset.css, you also use YUI base.css, then you will be all set with a standard set of cross browser base styles.
LINK: [http://developer.yahoo.com/yui/base/](http://developer.yahoo.com/yui/base/)
| null | CC BY-SA 2.5 | null | 2008-08-21T14:49:52.767 | 2008-08-21T14:49:52.767 | null | null | 653 | null |
20,156 | 1 | 20,175 | null | 225 | 66,154 | Is there an easy way in C# to create [Ordinals](http://en.wikipedia.org/wiki/Ordinal_numbers_%28linguistics%29) for a number? For example:
- - - -
Can this be done through `String.Format()` or are there any functions available to do this?
| Is there an easy way to create ordinals in C#? | CC BY-SA 3.0 | 0 | 2008-08-21T14:55:48.947 | 2022-09-01T21:33:02.320 | 2011-09-26T13:04:21.650 | 95 | 383 | [
"c#",
".net",
"ordinals"
] |
20,160 | 2 | null | 18,943 | 2 | null | Prefer applications that integrate with [Gnome Keyring](http://live.gnome.org/GnomeKeyring). Another possibility is to use an SSH tunnel to an external machine and run apps through that. Take a look at the `-D` option for creating a local SOCKS proxy interface, rather than single-serving `-L` forwards.
| null | CC BY-SA 2.5 | null | 2008-08-21T14:57:38.333 | 2008-08-21T14:57:38.333 | null | null | 954 | null |
20,107 | 1 | 20,118 | null | 12 | 11,520 | This line in YUI's [Reset CSS](http://developer.yahoo.com/yui/reset/) is causing trouble for me:
```
address,caption,cite,code,dfn,em,strong,th,var {
font-style: normal;
font-weight: normal;
}
```
It makes my `em` not italic and my `strong` not bold. Which is okay. I know how to override that in my own style... | YUI Reset CSS Makes <strong><em>this not work</em></strong> | CC BY-SA 3.0 | 0 | 2008-08-21T14:36:41.097 | 2016-01-14T20:07:02.937 | 2016-01-14T19:55:06.183 | 2,678,454 | 437 | [
"css",
"yui"
] |
20,168 | 1 | 20,181 | null | 3 | 5,294 | Regarding the same program as [my question a few minutes ago](https://stackoverflow.com/questions/20061/store-data-from-a-c-application)... I added a setup project and built an MSI for the program (just to see if I could figure it out) and it works great except for one thing. When I tried to install it on my parent's ... | C# application detected as a virus | CC BY-SA 2.5 | 0 | 2008-08-21T14:59:48.157 | 2009-02-13T23:47:57.587 | 2017-05-23T12:19:33.570 | -1 | 271 | [
"c#",
".net",
"antivirus"
] |
20,162 | 2 | null | 20,107 | 3 | null | I had a similar problem when I added the YUI Reset to the top of my stock CSS file. I found that the best thing for me was to simply remove all of the
```
font-weight: normal;
```
declarations from the YUI Reset. I haven't noticed that this has affected anything "cross-browser."
All my declarations were after the ... | null | CC BY-SA 3.0 | null | 2008-08-21T14:58:44.180 | 2013-06-01T02:36:22.973 | 2013-06-01T02:36:22.973 | 2,156,756 | 666 | null |
20,170 | 2 | null | 20,059 | 2 | null | I think the first question is: what sort of program would it be interesting to create? One of the things that got me started with programming as a kid (in BBC basic and then QBasic) was the ease of writing graphical programs. I could write a couple of lines of code and see my program draw a line on the screen straight ... | null | CC BY-SA 2.5 | null | 2008-08-21T15:01:07.590 | 2008-08-21T15:01:07.590 | null | null | 1,105 | null |
20,173 | 1 | 20,178 | null | 7 | 2,108 | Does anyone have any experience getting MSTest to copy hibernate.cfg.xml properly to the output directory? All my MSTests fail with a cannot find hibernate.cfg.xml error (I have it set to Copy Always), but my MBUnit tests pass.
| MSTest and NHibernate | CC BY-SA 2.5 | 0 | 2008-08-21T15:02:53.110 | 2008-12-27T15:01:53.240 | null | null | 1,975 | [
"nhibernate",
"mstest",
"mbunit"
] |
20,166 | 2 | null | 20,156 | 16 | null | You'll have to roll your own. From the top of my head:
```
public static string Ordinal(this int number)
{
var work = number.ToString();
if ((number % 100) == 11 || (number % 100) == 12 || (number % 100) == 13)
return work + "th";
switch (number % 10)
{
case 1: work += "st"; break;
case 2: work += ... | null | CC BY-SA 3.0 | null | 2008-08-21T14:59:10.967 | 2014-08-04T21:20:18.347 | 2014-08-04T21:20:18.347 | 414 | 414 | null |
20,165 | 2 | null | 20,059 | 1 | null | I would go with what I wish I had known first: a simple MS-DOS box and the integrated assembler (debug). It is great to really learn and understand the basics of talking to a computer.
If that does not scare away a child, then I would go the "next level up" and introduce C. This shouldn't be hard given that the basic ... | null | CC BY-SA 2.5 | null | 2008-08-21T14:58:59.530 | 2008-08-21T14:58:59.530 | null | null | 1,398 | null |
20,142 | 2 | null | 482 | 22 | null | A better workaround (depending on the size of the datasource) is to declare two `BindingSource` objects (new as of 2.00) bind the collection to those and then bind those to the comboboxes.
I enclose a complete example.
```
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;... | null | CC BY-SA 3.0 | null | 2008-08-21T14:48:34.283 | 2012-10-14T12:35:23.653 | 2012-10-14T12:35:23.653 | 967,315 | 1,143 | null |
20,177 | 2 | null | 20,168 | -1 | null | The very first thing to do would be to scan your build PC for viruses.
| null | CC BY-SA 2.5 | null | 2008-08-21T15:05:37.097 | 2008-10-10T07:21:17.543 | 2008-10-10T07:21:17.543 | 3,560 | 35 | null |
20,178 | 2 | null | 20,173 | 12 | null | You can try adding the DeploymentItemAttribute to one of your tests, or edit your .testrunconfig file and add the file to the Deployment list.
| null | CC BY-SA 2.5 | null | 2008-08-21T15:07:13.223 | 2008-08-21T15:07:13.223 | null | null | null | null |
20,169 | 2 | null | 20,063 | 7 | null | Just in case you might need to, this may help if you need to unicode arguments on Win32 (2K, XP etc):
```
from ctypes import *
def wmain(argc, argv):
print argc
for i in argv:
print i
return 0
def startup():
size = c_int()
ptr = windll.shell32.CommandLineToArgvW(windll.kernel32.GetComman... | null | CC BY-SA 2.5 | null | 2008-08-21T14:59:54.193 | 2008-08-21T14:59:54.193 | null | null | 1,697 | null |
20,181 | 2 | null | 20,168 | 3 | null | Indeed, boot from a clean CD (use a known good machine to build [BartPE](http://nu2.nu/pebuilder/) or something similar) and scan your machine thoroughly. Another good thing to check, though, would be exactly which virus Avast! thinks your program is. Once you know that, you should be able to look it up in one of the... | null | CC BY-SA 2.5 | null | 2008-08-21T15:10:33.777 | 2008-08-21T15:10:33.777 | null | null | 1,432 | null |
20,186 | 2 | null | 20,107 | 2 | null | Reset stylesheets are best used as a base. If you don't want to reset em or strong, remove them from the stylesheet.
| null | CC BY-SA 2.5 | null | 2008-08-21T15:13:15.627 | 2008-08-21T15:13:15.627 | null | null | 96 | null |
20,175 | 2 | null | 20,156 | 345 | null | This page gives you a complete listing of all custom numerical formatting rules:
[Custom numeric format strings](https://learn.microsoft.com/en-us/dotnet/standard/base-types/custom-numeric-format-strings)
As you can see, there is nothing in there about ordinals, so it can't be done using `String.Format`. However its no... | null | CC BY-SA 4.0 | null | 2008-08-21T15:03:47.973 | 2020-08-17T22:56:58.297 | 2020-08-17T22:56:58.297 | 1,364,007 | 1,908 | null |
20,185 | 1 | 20,200 | null | 5 | 1,472 | I have a collection of classes that inherit from an abstract class I created. I'd like to use the abstract class as a factory for creating instances of concrete implementations of my abstract class.
Is there any way to hide a constructor from all code except a parent class.
I'd like to do this basically
```
public ... | Is there a way to make a constructor only visible to a parent class in C#? | CC BY-SA 2.5 | null | 2008-08-21T15:12:48.063 | 2008-09-21T07:39:13.313 | 2017-05-23T12:18:32.893 | -1 | 392 | [
"c#",
"inheritance",
"oop"
] |
20,198 | 1 | 20,219 | null | 13 | 3,261 | I thought .Net code gets compiled into MSIL, so I always wondered how do Yellow Screens produce the faulty code. If it's executing the compiled code, how is the compiler able to produce code from the source files in the error message?
Feel free to edit this question/title, I know it doesn't really make sense.
| How does the ASP.NET "Yellow Screen of Death" display code? | CC BY-SA 2.5 | 0 | 2008-08-21T15:14:44.827 | 2009-07-16T22:50:43.217 | 2009-07-16T22:50:43.217 | 135,138 | 40 | [
".net",
"asp.net",
"yellow-screen-of-death"
] |
20,195 | 2 | null | 17,717 | 27 | null | Steve, I had to migrate my old application the way around, that is PgSQL->MySQL. I must say, you should consider yourself lucky ;-)
Common gotchas are:
- - - - - - -
I hope that helps at least a bit. Have lots of fun playing with Postgres!
| null | CC BY-SA 2.5 | null | 2008-08-21T15:14:27.840 | 2008-08-21T15:14:27.840 | null | null | 2,169 | null |
20,179 | 2 | null | 20,054 | 1 | null | There are some wierd things in Access that might cause issues and I don't know if ODBC takes care of it. If it does @John Topley is right, ODBC would be your only cance.
1. True in access = -1 not 1
2. Access treats dates differently than regular TSQL.
3. You might run into trouble creating relations.
If you go w... | null | CC BY-SA 2.5 | null | 2008-08-21T15:08:31.193 | 2008-08-21T15:08:31.193 | null | null | 1,632 | null |
20,199 | 2 | null | 20,185 | 1 | null | No, I don't think we can do that.
| null | CC BY-SA 2.5 | null | 2008-08-21T15:15:00.333 | 2008-08-21T15:25:19.327 | 2008-08-21T15:25:19.327 | 380 | 380 | null |
20,202 | 2 | null | 20,198 | 3 | null | I believe the pdb files that are output when you do a debug build contain a reference to the location of the source code files.
| null | CC BY-SA 2.5 | null | 2008-08-21T15:15:53.670 | 2008-11-03T18:10:49.727 | null | null | 1,194 | null |
20,200 | 2 | null | 20,185 | 2 | null | You can make the sub classes child classes, something like this:
```
public abstract class AbstractClass
{
public static AbstractClass MakeAbstractClass(string args)
{
if (args == "a")
return new ConcreteClassA();
if (args == "b")
return new ConcreteClassB();
}
... | null | CC BY-SA 2.5 | null | 2008-08-21T15:15:20.647 | 2008-09-10T12:27:43.503 | 2017-05-23T10:32:51.507 | -1 | 1,908 | null |
20,205 | 2 | null | 20,198 | 0 | null | I think this is down to the debug information that can be included with the compiled assemblies..(although I could definately be wrong)
| null | CC BY-SA 2.5 | null | 2008-08-21T15:16:35.947 | 2008-11-03T18:10:49.727 | null | null | 832 | null |
20,201 | 1 | null | null | 0 | 1,724 | I have a collection of crystal reports that contains charts. They look fine locally and when printed, but when viewing them through a web application using a `CrystalReportViewer` the charts dispay as broken images.
Viewing the properties of the broken image show the url as `...CrystalImageHandler.aspx?dynamicimage... | Broken chart images in Crystal Reports in web application | CC BY-SA 3.0 | null | 2008-08-21T15:15:41.363 | 2015-09-07T08:37:32.137 | 2015-09-07T08:37:32.137 | 5,139,222 | 1,744 | [
"web-applications",
"crystal-reports"
] |
20,206 | 1 | 84,997 | null | 54 | 158,974 | Anyone have any good urls for templates or diagram examples in Visio 2007 to be used in software architecture?
| Where can I find decent visio templates/diagrams for software architecture? | CC BY-SA 2.5 | 0 | 2008-08-21T15:16:45.963 | 2020-06-18T22:52:01.303 | null | null | 1,940 | [
"templates",
"visio"
] |
20,204 | 2 | null | 20,047 | 2 | null | One thing that has worked for me in the past is making sure all my queries and updates access resources (tables) in the same order.
That is, if one query updates in order Table1, Table2 and a different query updates it in order of Table2, Table1 then you might see deadlocks.
Not sure if it's possible for you to chang... | null | CC BY-SA 2.5 | null | 2008-08-21T15:16:15.450 | 2008-08-21T15:16:15.450 | null | null | 1,958 | null |
20,209 | 2 | null | 20,061 | 1 | null | For this situation, the `[Serializable]` attribute on a nicely modelled `Stats` class and `XmlSerializer` are the way to go, IMO.
| null | CC BY-SA 3.0 | null | 2008-08-21T15:17:01.157 | 2012-07-03T13:21:07.640 | 2012-07-03T13:21:07.640 | 142,162 | 96 | null |
20,210 | 2 | null | 20,198 | 0 | null | I believe the information that maps the source to the MSIL is stored in the PDB file. If this is not present then that mapping won't happen.
It is this lookup that makes an exception such a expensive operation ("exceptions are for exceptional situations").
| null | CC BY-SA 2.5 | null | 2008-08-21T15:17:08.503 | 2008-11-03T18:10:49.727 | null | null | 1,490 | null |
20,207 | 1 | 20,243 | null | 3 | 6,483 | I'm packaging up a .NET 2.0 based web app for deployment through a Windows Installer based package. Our app uses Report Viewer 2008 and I'm including the Microsoft Report Viewer Redistributable 2008 installer. When I check the [download page for Report Viewer 2008](http://www.microsoft.com/downloads/details.aspx?Fami... | Does the Microsoft Report Viewer Redistributable 2008 really require .NET Framework version 3.5? | CC BY-SA 2.5 | null | 2008-08-21T15:16:53.513 | 2008-09-22T12:49:50.143 | 2008-08-31T01:03:11.817 | 305 | 206 | [
".net-3.5",
"reportviewer",
"web-deployment-project",
"reportviewer2008"
] |
20,208 | 2 | null | 20,107 | 2 | null | As Chris said, you don't have to use the exact CSS they provide religiously. I would just save a copy to your server, and edit to your needs.
| null | CC BY-SA 2.5 | null | 2008-08-21T15:16:54.527 | 2008-12-25T01:37:23.880 | null | null | 40 | null |