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as has spent around 10 years programming web applications adobe's coldfusion, have decided add asp.net string bow. for has spent long cf , underlying java, asp.net seems little alien me. how should go getting speed asp.net can dangerous it? need know c# @ great amount of detail? i want in position can build basic web apps can learn more doing tricky stuff. i'm maybe 6 months down same path, here thoughts experience far: the c# language shouldn't give problem if have experience java @ (or cfscript). reference, though, when starting, found csharp-station primer language basics. won't far asp.net side goes; syntax. more you'll familiarizing .net libraries. ide can enormous here. here 3 biggest differences found making transition: asp.net server controls - in coldfusion, have pretty direct control on html; work closely page. isn't case in asp.net. server controls meant relieve of lot of tedium, @ cost of maybe direct control. cf pr...

i feel ridiculous asking because seems should simple, have been unable discover answer question. i have free standing set of files not affiliated c# project @ reside in complicated nested directory structure. want add them in format different directory in asp.net web application working on; while retaining same structure. so, copied folder target location of project , tried “add existing item” lose previous folder hierarchy. have re-created directories hand, copied across on one-to-one basis, , added existing items. there many directories/items in case. so how add existing directories , files in visual studio 2008? drag files / folders windows explorer solution explorer. add them all. note doesn't work if visual studio in administrator mode, because windows explorer user mode process.

i'm sure others agree, when code hits pavement easier think of elements go application. meaning, once going, think of what's next because have reached point have design table or class. the drawbacks of approach obvious , don't need go it. the question is, of can't conceptualize design without "seeing it", how go design @ seat of our pants more structured methodology? the solution can think of detailed specifications, forces 1 think of how things going work. is case of how people think differently, or there else ignoring? well, don't know if quite asking, reading question reminded me of tdd (test driven development). the goal of tdd produce clean, testable code along suite of automated regression tests. it amazing me how clean code can end when go @ tdd... think problems, write tests it, implement make tests pass, refactor ensure code clean , readable. i don't think need lot of front design tdd, may help... i'm kind of ...

a database stores lot of credit card information inevitable part of system have completed. want though ultimate security of card numbers whereby setup mechanism encrypt , decrypt of ourselves cannot decrypt given number. what after way secure information down @ database level no 1 can go in , produce file of card numbers. how have others overcome issue? 'standard' approach this? as usage of data links private , secure , no transmission of card number performed except when record created , encrypted not worried front end end. well database oracle have pl/sql , java play with. there's no shortage of processors willing store cc info , exchange token can bill against stored number. gets out of pci compliance, still allows on demand billing. depending on why need store cc, may better alternative. most companies refer "customer profile management", , pretty reasonable on fees. a few providers know of (in no particular order): authorize.net c...

i using activescaffold in ruby on rails app, , save space in table have replaced default "actions" text in table (ie. "edit", "delete", "show") icons using css. have added couple of custom actions action_link.add ("move" , "copy"). for clarity, i have tooltip pop related action (ie. "edit", "copy") when hover mouse on icon. i thought adding simple "alt" definition tag, doesn't appear work. can point me in right direction? the alt attribute used alternative image, in case of image missing, or in text browser. ie got wrong, when made alt appear tooltip. never meant that. the correct attribute title , of course doesn't tooltip in ie. so, have tooltip show in both ie, , firefox/safari/chrome/opera, use both alt attribute , title attribute.

i have dataset has 2 tables in it. want following (or it) possible , how have correct? dstabdata.tables("filingtabs").select("fs_id not in (select fsp_fsid parenttabs)") how reference data other table in same dataset? ok ok before y'all flame me! ;) i did more looking around online , found looks stuff need, off read more here: navigating relationship between tables

currently, python storing string "none" nulls returned sqlite3. read can change default value nulls in sqlite3 @ command line, can set within python code? i'd of blank results same without having loop through , check each value. want nulls returned sqlite3 empty string ("") instead of "none". uses sql-function coalesce each column of left join. select a.id, a.value, coalesce(b.id, ''), coalesce(b.value, '') left outer join b on b.a_id = a.id