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• Red Gate's on the road in 2012 - Will you catch us?

  - by RedAndTheCommunity

  Annabel Bradford, our Communities and Events Manager, tells all about her experience of our 1st SQL Saturday of the year. The first stop this year was SQL Saturday #104 Colorado Springs, back in early January. I made the trip across from the UK just for this SQL Saturday event, and I'm so glad I did. I picked up Max from Red Gate's Pasadena office and we flew into Colorado Springs airport late on Friday evening to be greeted by freezing temperatures, which was quite a shock after the California sunshine. Rising before the sun, we arrived at Mr Biggs, the venue for the event, in the darkness. It was great to see so many smiling attendees so bright and early on a Saturday morning. Everyone was eager to learn more about SQL Server, and hundreds of people came and chatted with us at the table, saw demos and learnt more about Red Gate tools. The event highlights for the attendees were definitely the unlimited lazer quest, bowling and pool available during the break times. For Max, Grant Fritchey and I on the Red Gate table, the highlights have to be meeting customers and getting the opportunity to meet attendees who'd heard of, but wanted to know more about, Red Gate. We were delighted to hear lots of valuable feedback that we took back to share with the team. As a thank you for sharing insights about their work lives and how they use SQL Server and Red Gate tools, attendees are able to take away Red Gate SQL Server books. We aim to have a range of titles available when we exhibit, so that attendees can choose a book that's going to be most interesting to them, and that they can use as a reference back at the office. Every time I meet a Red Gate user or a member of the SQL community, I'm always overwhelmed by the enthusiasm they have for their industry. Everyone who gives up their time to learn more about their job should be rewarded, and at Red Gate we like to do just that. Red Gate has long supported the SQL community through sponsorship to facilitate user group meetings and community events, but it's only though face-to-face contact that we really get a chance to see the impact of our support. I hope we'll have the chance to see you on the road at some point this year. We'll be at a range of events, including free SQL Saturdays, one day free events 'the Red Gate way', two-day Rallys, and full-week conferences. Next stop is SQL Saturday #109 Silicon Valley on March 3rd where you'll meet Jeff and Arneh, two of our US-based SQL team members. Be sure to ask them any questions you've got about the Red Gate tools, as these guys will be delighted to hear your questions, show you the options, and will make a note of your feedback to send through to the development team. Until the next time. Happy learning! Annabel                         Grant, Max and Annabel at SQL Saturday #104 Colorado Springs

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• MS Word 2010: Hide citation title when 2 publications by same first author from different years are in one citation block

  - by srunni

  I'm trying to hide the display of the titles for two publications by the same first author from different years that are in the same citation block. By default, the title is shown in citations when there are two publications by the same author in a given document. The easiest way to get around this is to right click on the citation, click "Edit Citation", and then suppress the title. However, the issue with this is that if there are 2 citations in 1 citation block (i.e., "(Smith, J., et al. 2010, Smith, J., et al. 2011)" rather than "(Smith, J., et al. 2010) (Smith, J., et al. 2011)"), then using that suppress option only suppresses the title for the first citation (in this case, the 2010 publication). OTOH, if I try to initially insert the publications in separate citation blocks, I can suppress the title in both citations, but I can't cut and paste one into the other's citation block. I can click "Cut" and the citation that was just cut disappears, but the "Paste" option is not available when my cursor is in the second citation block. Any ideas? Thanks!

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• NorCal Weekly .Net is Up Now! Catch All for the .Net Events in Northern California!

    Ive always wanted a place that I could look through to find what .net events are going on in Northern California.  Ive found that there is a core group of people with common interested... This site is a resource for asp.net web programming. It has examples by Peter Kellner of techniques for high performance programming...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• 2010 03 19 Malaga .net user group: Silverlight Catch Up !

  - by Braulio Díez Botella

  I have uploaded the presentation and source code samples of the session we had for the Malaga .net user group to my sky drive, you can find it here. About the session it self: is an express introduction to Silverlight and line of business application development, heavily based on samples / demo’s to cover the basics (Binding, INotifiable, ObservableCollections, Converters, …).

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• SQL Server 2012 Service Pack 2 is available - but there's a catch!

  - by AaronBertrand

  Service Pack 2 is available: http://www.microsoft.com/en-us/download/details.aspx?id=43340 The build number is 11.0.5058, and this includes fixes up to and including SQL Server 2012 SP1 CU #9. (The complete list of fixes is exhaustive, including all fixes from SP1 CU #1 -> #9, but the post-CU #9 fixes are listed here: http://support.microsoft.com/KB/2958429 However, if you may be affected by the regression bug I talked about earlier today , which could lead to data loss or corruption during online...(read more)

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• Which is the best way to catch an expiring domain name? [closed]

  - by newspeak

  I know a similar question has been asked, but I really don't know what to do. There is this .com domain which is currently on redemption period and should likely be available again within a month. I was wondering which is the best way to get it at a reasonable price. I don't think it's a highly valuable domain, it shows to have very bad ranking and has 0 exact same searches according to adwords. Why it is valuable to me is very simple: I have a project responding to this name. I already own the .net domain and would love to have the .com. I discovered the domain was going to be available thanks to an email I received by a backorder site. I did some research and these guys have a bad reputation on the web. I did further research and found that more reputable (at least in theory) companies should be the likes of snapnames, pool, namejet, godaddy, etc. I am a bit suspicious using these drop cathing services: What if they shill bids? What if they make it go into auction even if I'm the only person interested? What if I raise attention and interest to the domain by backordering? I just would rather wait for it to be deleted and available again to register it manually. It is really not an interesting domain name, and I don't think anyone would care to have it. But what if the domain is already being watched by the domain industry sharks? I did a whois research and my desired domain nameserves point to domcollect.com, which appears to be an auction site. What if I decide to wait for manual registration and I miss the chance to get it? I'm willing to spend the 60/70$ fees these sites require, but not really more than that. Suggestions? Thank you very much. I'm a bit confused and undecided.

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• how to remove location block from $uri in nginx configuration?

  - by Jason

  I have a rewrite in my ngix conf file that works properly except it seems to include the location block as part of the $uri variable. I only want the path after the location block. My current config code is: location /cargo { try_files $uri $uri/ /cargo/index.php?_REWRITE_COMMAND=$uri&args; } Using an example url of http://localhost/cargo/testpage the redirect works, however the value of the "_REWRITE_COMMAND" parameter received by my php file is "/cargo/testpage". I need to strip off the location block and just have "testpage" as the $uri I am pretty sure there is a regex syntax to split the $uri and assign it to a new variable using $1 $2 etc, but I can't find any example to do just a variable assignment using a regex that is not part of a rewrite statement. I've been looking and trying for hours and I just can't seem to get past this last step. I also know I could just strip this out on the application code, but the reason I want to try to fix it in the nginx conf is for compatibility reasons as it also runs on Apache. I also should say that I have figured out a really hacky way to do it, but it involves an "if" statement to check for file existance and the documentation specifically says not to do it that way. -- UPDATE: ANSWERED BY theuni: The regex goes in the location block definition. one note of caution is that php handler location needs to be ABOVE this location, otherwise you will get a server error because it goes into an infinite redirect loop location ~ ^/cargo/(.*) { try_files $1 /cargo/$1/ /cargo/index.php?_REWRITE_COMMAND=$1&args; }

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• Why would a error get thrown inside my try-catch?

  - by George Johnston

  I'm pushing a copy of our application over to a new dev server (IIS7) and the application is blowing up on a line inside of a try-catch block. It doesn't happen locally, it actually obey's the rules of a try-catch block, go figure. Any idea why this would be happening? Shouldn't it just be failing silently? Is there something environmental I need to enable/disable? Exception Details: System.NullReferenceException: Object reference not set to an instance of an object. Line 229: Try Line 230: Here >> : _MemoryStream.Seek(6 * StartOffset, 0) Line 232: _MemoryStream.Read(_Buffer, 0, 6) Line 233: Catch ex As IOException End Try Although it doesn't matter for answering this question, I thought I would mention that it's third party code for the Geo IP lookup.

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• Using a general class for execution with try/catch/finally?

  - by antirysm

  I find myself having a lot of this in different methods in my code: try { runABunchOfMethods(); } catch (Exception ex) { logger.Log(ex); } What about creating this: public static class Executor { private static ILogger logger; public delegate void ExecuteThis(); static Executor() { // logger = ...GetLoggerFromIoC(); } public static void Execute(ExecuteThis executeThis) { try { executeThis(); } catch (Exception ex) { logger.Log(ex); } } } And just using it like this: private void RunSomething() { Method1(someClassVar); Method2(someOtherClassVar); } ... Executor.Execute(RunSomething); Are there any downsides to this approach? (You could add Executor-methods and delegates when you want a finally and use generics for the type of Exeception you want to catch...)

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• Is there a way to determine gaps in try/catch coverage?

  - by Mike Pateras

  I'm debugging a service that's experiencing some problems on start-up. To aid me in this, I'm wrapping pretty much everything in a try/catch block, and writing any errors to a file. I don't want to put them in every method, I just want to put them in the highest level methods so that they catch exceptions from other methods. Something is getting through, though, as the service does stop under some conditions. Is there a way to determine where the gaps in my try/catch coverage are, other than by sight?

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• Why Does try ... catch Blocks Require Braces?

  - by Bidou

  Hello. While in other statements like if ... else you can avoid braces if there is only one instruction in a block, you cannot do that with try ... catch blocks: the compiler doesn't buy it. For instance: try do_something_risky(); catch (...) std::cerr << "Blast!" << std::endl; With the code above, g++ simply says it expects a '{' before do_something_risky(). Why this difference of behavior between try ... catch and, say, if ... else ? Thanks!

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• Why Do try ... catch Blocks Require Braces?

  - by Bidou

  Hello. While in other statements like if ... else you can avoid braces if there is only one instruction in a block, you cannot do that with try ... catch blocks: the compiler doesn't buy it. For instance: try do_something_risky(); catch (...) std::cerr << "Blast!" << std::endl; With the code above, g++ simply says it expects a '{' before do_something_risky(). Why this difference of behavior between try ... catch and, say, if ... else ? Thanks!

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• What is the effect on LVM snapshot size when a file block is rewritten with it's original contents?

  - by NevilleDNZ

  I'm exploring using LVM snapshot's to off site incremental archives from a snapshot "master" file system. In essence: simply copy across only the files on the "master" that have changed since the last incremental copy to the "archive". Then snapshot the "archive" to retain the incremental. I am a bit puzzled as to the block usage behaviour of the archive's own incremental snapshot. I'm expecting that LVM is not smart enough to know that the "file block" is actually unchanged, and the a new copy will be allocated and written for the fresh "archive" file system. Can anyone confirm this, or point me to a document/page that gives some hints? BTW: the OS hard disk cache, hard disk physical cache and hard disk itself also doesn't need to do any actual "disk writes" as the "disk block" likewise is unnecessary. Any pointers to discussion of this style of optimisation would also be ineresting.

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• How to Disable Hovering Selection Block in File Browser?

  - by BGM

  I am changing from Windows XP to Windows 7. One thing I cannot stand about Windows 7 is that whenever you mouse over files in Explorer (or other file-browser), it highlights the files with a semi-transparent block. This is nice, but I want to be able to double-click on the white area background of the directory, and I can't do this with the highlighted selection always there. The hovering-block is always in the way of the background - especially if there are a lot of files in the directory. (I don't even know what that hovering-block is called; if someone enlightens me, I'll re-title my post) Is there any way to get the file selector to work like XP?

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• Random World Generation

  - by Alex Larsen

  I'm making a game like minecraft (although a different idea) but I need a random world generator for a 1024 block wide and 256 block tall map. Basically so far I have a multidimensional array for each layer of blocks (a total of 262,114 blocks). This is the code I have now: Block[,] BlocksInMap = new Block[1024, 256]; public bool IsWorldGenerated = false; Random r = new Random(); private void RunThread() { for (int BH = 0; BH <= 256; BH++) { for (int BW = 0; BW <= 1024; BW++) { Block b = new Block(); if (BH >= 192) { } BlocksInMap[BW, BH] = b; } } IsWorldGenerated = true; } public void GenWorld() { new Thread(new ThreadStart(RunThread)).Start(); } I want to make tunnels and water but the way blocks are set is like this: Block MyBlock = new Block(); MyBlock.BlockType = Block.BlockTypes.Air; How would I manage to connect blocks so the land is not a bunch of floating dirt and stone?

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• Basic procedural generated content works, but how could I do the same in reverse?

  - by andrew

  My 2D world is made up of blocks. At the moment, I create a block and assign it a number between 1 and 4. The number assigned to the nth block is always the same (i.e if the player walks backwards or restarts the game.) and is generated in the function below. As shown here by this animation, the colours represent the number. function generate_data(n) math.randomseed(n) -- resets the random so that the 'random' number for n is always the same math.random() -- fixes lua random bug local no = math.random(4) --print(no, n) return no end Now I want to limit the next block's number - a block of 1 will always have a block 2 after it, while block 2 will either have a block 1,2 or 3 after it, etc. Before, all the blocks data was randomly generated, initially, and then saved. This data was then loaded and used instead of being randomly called. While working this way, I could specify what the next block would be easily and it would be saved for consistency. I have now removed this saving/loading in favour of procedural generation as I realised that save whiles would get very big after travelling. Back to the present. While travelling forward (to the right), it is easy to limit what the next blocks number will be. I can generate it at the same time as the other data. The problem is when travelling backwards (to the left) I can not think of a way to load the previous block so that it is always the same. Does anyone have any ideas on how I could sort this out?

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• Organization &amp; Architecture UNISA Studies &ndash; Chap 4

  - by MarkPearl

  Learning Outcomes Explain the characteristics of memory systems Describe the memory hierarchy Discuss cache memory principles Discuss issues relevant to cache design Describe the cache organization of the Pentium Computer Memory Systems There are key characteristics of memory… Location – internal or external Capacity – expressed in terms of bytes Unit of Transfer – the number of bits read out of or written into memory at a time Access Method – sequential, direct, random or associative From a users perspective the two most important characteristics of memory are… Capacity Performance – access time, memory cycle time, transfer rate The trade off for memory happens along three axis… Faster access time, greater cost per bit Greater capacity, smaller cost per bit Greater capacity, slower access time This leads to people using a tiered approach in their use of memory   As one goes down the hierarchy, the following occurs… Decreasing cost per bit Increasing capacity Increasing access time Decreasing frequency of access of the memory by the processor The use of two levels of memory to reduce average access time works in principle, but only if conditions 1 to 4 apply. A variety of technologies exist that allow us to accomplish this. Thus it is possible to organize data across the hierarchy such that the percentage of accesses to each successively lower level is substantially less than that of the level above. A portion of main memory can be used as a buffer to hold data temporarily that is to be read out to disk. This is sometimes referred to as a disk cache and improves performance in two ways… Disk writes are clustered. Instead of many small transfers of data, we have a few large transfers of data. This improves disk performance and minimizes processor involvement. Some data designed for write-out may be referenced by a program before the next dump to disk. In that case the data is retrieved rapidly from the software cache rather than slowly from disk. Cache Memory Principles Cache memory is substantially faster than main memory. A caching system works as follows.. When a processor attempts to read a word of memory, a check is made to see if this in in cache memory… If it is, the data is supplied, If it is not in the cache, a block of main memory, consisting of a fixed number of words is loaded to the cache. Because of the phenomenon of locality of references, when a block of data is fetched into the cache, it is likely that there will be future references to that same memory location or to other words in the block. Elements of Cache Design While there are a large number of cache implementations, there are a few basic design elements that serve to classify and differentiate cache architectures… Cache Addresses Cache Size Mapping Function Replacement Algorithm Write Policy Line Size Number of Caches Cache Addresses Almost all non-embedded processors support virtual memory. Virtual memory in essence allows a program to address memory from a logical point of view without needing to worry about the amount of physical memory available. When virtual addresses are used the designer may choose to place the cache between the MMU (memory management unit) and the processor or between the MMU and main memory. The disadvantage of virtual memory is that most virtual memory systems supply each application with the same virtual memory address space (each application sees virtual memory starting at memory address 0), which means the cache memory must be completely flushed with each application context switch or extra bits must be added to each line of the cache to identify which virtual address space the address refers to. Cache Size We would like the size of the cache to be small enough so that the overall average cost per bit is close to that of main memory alone and large enough so that the overall average access time is close to that of the cache alone. Also, larger caches are slightly slower than smaller ones. Mapping Function Because there are fewer cache lines than main memory blocks, an algorithm is needed for mapping main memory blocks into cache lines. The choice of mapping function dictates how the cache is organized. Three techniques can be used… Direct – simplest technique, maps each block of main memory into only one possible cache line Associative – Each main memory block to be loaded into any line of the cache Set Associative – exhibits the strengths of both the direct and associative approaches while reducing their disadvantages For detailed explanations of each approach – read the text book (page 148 – 154) Replacement Algorithm For associative and set associating mapping a replacement algorithm is needed to determine which of the existing blocks in the cache must be replaced by a new block. There are four common approaches… LRU (Least recently used) FIFO (First in first out) LFU (Least frequently used) Random selection Write Policy When a block resident in the cache is to be replaced, there are two cases to consider If no writes to that block have happened in the cache – discard it If a write has occurred, a process needs to be initiated where the changes in the cache are propagated back to the main memory. There are several approaches to achieve this including… Write Through – all writes to the cache are done to the main memory as well at the point of the change Write Back – when a block is replaced, all dirty bits are written back to main memory The problem is complicated when we have multiple caches, there are techniques to accommodate for this but I have not summarized them. Line Size When a block of data is retrieved and placed in the cache, not only the desired word but also some number of adjacent words are retrieved. As the block size increases from very small to larger sizes, the hit ratio will at first increase because of the principle of locality, which states that the data in the vicinity of a referenced word are likely to be referenced in the near future. As the block size increases, more useful data are brought into cache. The hit ratio will begin to decrease as the block becomes even bigger and the probability of using the newly fetched information becomes less than the probability of using the newly fetched information that has to be replaced. Two specific effects come into play… Larger blocks reduce the number of blocks that fit into a cache. Because each block fetch overwrites older cache contents, a small number of blocks results in data being overwritten shortly after they are fetched. As a block becomes larger, each additional word is farther from the requested word and therefore less likely to be needed in the near future. The relationship between block size and hit ratio is complex, and no set approach is judged to be the best in all circumstances.   Pentium 4 and ARM cache organizations The processor core consists of four major components: Fetch/decode unit – fetches program instruction in order from the L2 cache, decodes these into a series of micro-operations, and stores the results in the L2 instruction cache Out-of-order execution logic – Schedules execution of the micro-operations subject to data dependencies and resource availability – thus micro-operations may be scheduled for execution in a different order than they were fetched from the instruction stream. As time permits, this unit schedules speculative execution of micro-operations that may be required in the future Execution units – These units execute micro-operations, fetching the required data from the L1 data cache and temporarily storing results in registers Memory subsystem – This unit includes the L2 and L3 caches and the system bus, which is used to access main memory when the L1 and L2 caches have a cache miss and to access the system I/O resources

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• How do you separate the template of a blog block in Drupal?

  - by Ralph

  Hi, In Drupal, I created a block using views. This block contains the latest blog entries. I've placed this on a specific page to display it as an archive. Now, as for the blog itself (for example when one of them is clicked), A blog template for it depends on node-blog.tpl.php. My problem is, when I style node-blog.tpl.php, the block I created for the archives (as it displays on the page) gets affected. For example if I add TEST on node-blog.tpl.php, I will also get that on the block for every entry. I think it's because it is associated to a blog entry? What I want is to have node-blog styled "alone" when blog entries are viewed individually and not get the other entries on the blocks on the archive page be affected. How should I do this?

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• Block Hover Effect - Why doesn't it work correctly in FF3.6?

  - by Brian Ojeda

  Why doesn't following code work correctly in FireFox 3.6? I have tested in IE7, IE8, and Chrome with out any issues. Issue: The first block hover link (the table's 3rd row) doesn't apply the same style/effect as the following below it. Notes: I am trying to create my own table framework. This project is something I am doing to learn more about CSS. Before I started, I thought I knew a lot about CSS. However, to my surprise I was wrong. Who knew? Moving on... As side note, I do not want to take the time to support IE6. So, if you see a problem related IE6, please don't waste your time telling. One another side note, the following style script and HTML listed when this question is strip-down/bare-bone of the complete CSS/HTML. It should be enough to assist me. CSS: /* Main Properties */ .ojtable{display:block;clear:both; margin-left:auto;margin-right:auto; margin-top:0px; width:650px;} .ojtable-row, .ojtable-head {display:block;clear:both;position:relative; margin-left:0px;margin-right:0px;padding:0px;} .col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col-13, .col-1-b1, .col-2-b1, .col-3-b1, .col-4-b1, .col-5-b1, .col-6-b1, .col-7-b1, .col-8-b1, .col-9-b1, .col-10-b1, .col-11-b1, .col-12-b1, .col-13-b1 {display:block;float:left;position:relative; margin-left:0px;margin-right:0px;padding:0px 2px;} /* Border */ .border-b1{border:solid #000000; border-width:0 0 1px 0;} .border-ltr{border:solid #000000; border-width:1px 1px 0 1px;} /* Header */ .ojtable-row{width:100%;} .ojtable-head{width:100%;} /* No Border*/ .col-2{width:96px;} /* Border: 1px */ .col-2-b1{width:95px;} .col-7-b1{width:345px;} /*--- Clear Floated Elements ---*/ /* Credit: http://sonspring.com/journal/clearing-floats */ .clear { clear: both; display: block; overflow: hidden; visibility: hidden; width: 0; height: 0; } /* Credit: http://perishablepress.com/press/2008/02/05/ lessons-learned-concerning-the-clearfix-css-hack/ */ .clearfix:after { visibility: hidden; display: block; font-size: 0; content: " "; clear: both; height: 0; } .clearfix { display:inline-block; } /* start commented backslash hack \*/ * html .clearfix { height: 1%; } .clearfix { display: block; } /* close commented backslash hack */ /*--- Hover Effect for the Tables ---*/ a {text-decoration:none;} * .ojtable a .ojtable-row{width:650px; display:block; text-decoration:none;} * html .ojtable a .ojtable-row {width:650px;}/* Hover Fix for IE */ .ojtable a:hover .ojtable-row{background:#AAAAAA; cursor:pointer;} HTML: <div class="ojtable border-ltr clearfix"> <div class="ojtable-row border-b1 clearfix"> <div class="col-13">Newest Blogs</div> </div> <div class="ojtable-row border-b1 clearfix"> <div class="col-7-b1 border-r1">Name</div> <div class="col-4-b1 border-r1">Creater's Name</div> <div class="col-2">Dated Created</div> </div> <a href="#"><div class="ojtable-row border-b1 clearfix"> <div class="col-7-b1 border-r1">Why jQuery?</div> <div class="col-4-b1 border-r1">Gramcracker</div> <div class="col-2">Mar 11 2010</div> </div></a> <a href="#"><div class="ojtable-row border-b1 clearfix"> <div class="col-7-b1 border-r1">Thank You For Your Help</div> <div class="col-4-b1 border-r1">O'Hater</div> <div class="col-2">Nov 2 2009</div> </div></a> <a href="#"><div class="ojtable-row border-b1 clearfix"> <div class="col-7-b1 border-r1">Click Me! Hahaha!</div> <div class="col-4-b1 border-r1">Brian Ojeda</div> <div class="col-2">Nov 29 2008</div> </div></a> <a href="#"><div class="ojtable-row border-b1 clearfix"> <div class="col-7-b1 border-r1">Moment of Zen</div> <div class="col-4-b1 border-r1">Jedi</div> <div class="col-2">Mar 11 2010</div> </div></a> <a href="#"><div class="ojtable-row border-b1 clearfix"> <div class="col-7-b1 border-r1"></div> <div class="col-4-b1 border-r1">SGT OJ</div> <div class="col-2">Mar 11 2010</div> </div></a> </div> <!-- End of Table --> PS: Thank you for assistant, if you do choose to help.

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• What is the best workaround for the WCF client `using` block issue?

  - by Eric King

  I like instantiating my WCF service clients within a using block as it's pretty much the standard way to use resources that implement IDisposable: using (var client = new SomeWCFServiceClient()) { //Do something with the client } But, as noted in this MSDN article, wrapping a WCF client in a using block could mask any errors that result in the client being left in a faulted state (like a timeout or communication problem). Long story short, when Dispose() is called, the client's Close() method fires, but throws and error because it's in a faulted state. The original exception is then masked by the second exception. Not good. The suggested workaround in the MSDN article is to completely avoid using a using block, and to instead instantiate your clients and use them something like this: try { ... client.Close(); } catch (CommunicationException e) { ... client.Abort(); } catch (TimeoutException e) { ... client.Abort(); } catch (Exception e) { ... client.Abort(); throw; } Compared to the using block, I think that's ugly. And a lot of code to write each time you need a client. Luckily, I found a few other workarounds, such as this one on IServiceOriented. You start with: public delegate void UseServiceDelegate<T>(T proxy); public static class Service<T> { public static ChannelFactory<T> _channelFactory = new ChannelFactory<T>(""); public static void Use(UseServiceDelegate<T> codeBlock) { IClientChannel proxy = (IClientChannel)_channelFactory.CreateChannel(); bool success = false; try { codeBlock((T)proxy); proxy.Close(); success = true; } finally { if (!success) { proxy.Abort(); } } } } Which then allows: Service<IOrderService>.Use(orderService => { orderService.PlaceOrder(request); } That's not bad, but I don't think it's as expressive and easily understandable as the using block. The workaround I'm currently trying to use I first read about on blog.davidbarret.net. Basically you override the client's Dispose() method wherever you use it. Something like: public partial class SomeWCFServiceClient : IDisposable { void IDisposable.Dispose() { if (this.State == CommunicationState.Faulted) { this.Abort(); } else { this.Close(); } } } This appears to be able to allow the using block again without the danger of masking a faulted state exception. So, are there any other gotchas I have to look out for using these workarounds? Has anybody come up with anything better?

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• How to do a project-wide sweep for "Remove redundant catch" using Resharper?

  - by David McClelland

  I am dealing with a large old codebase that has a lot of these: try { ... } catch { throw; } Resharper helpfully marks these and offers the option to "Remove redundant catch", but I don't like having to go through one-by-one, I would like to wipe them out all at once. Is there a way to do that with Resharper, possibly by integrating it in with "Code cleanup"?

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• Best way to block "comment spam" postings to web forms? [closed]

  - by David Jones

  Possible Duplicate: Make your site anti-bot? I have a custom web form on my PHP-based site. Recently it is getting a regular stream of comment-spam postings from a few specific IP addresses. Question: What is a good way to block a small set of blacklisted IP addresses from accessing my site? I was thinking it should be possible using .htaccess to respond with status code 403 (Forbidden) for all HTTP requests from the blacklisted IP addresses, ... but I am not sure exactly how to do that. If anyone knows the .htaccess syntax needed to accomplish this, ... please let me know. thanks in advance,

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• How to catch exception in the main thread if the exception occurs in the secondary thread?

  - by Ashish Ashu

  How to catch exception in the main thread if the exception occurs in the secondary thread? The code snippet for the scenario is given below: private void button1_Click(object sender, EventArgs e) { try { Thread th1 = new Thread(new ThreadStart(Test)); th1.Start(); } catch (Exception) { } } void Test() { for (int i = 0; i < 100; i++) { Thread.Sleep(100); if (i == 2) throw new MyException(); } } }

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• is <p> a block-level or inline-level element?

  - by Andor

  hi there, i got a question when i come across the HTML 4.01 DTD: in the strict DTD, a element is defined as <!ELEMENT P - O (%inline;)* -- paragraph --> but somewhat i thought is a block-level, and all(maybe almost) user agents define as a block-level. so, i just wondering, is a block-level or inline-level element. thx.

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• Why would an error get thrown inside my try-catch?

  - by George Johnston

  Why would my try-catch block still be throwing an error when it's handled? Exception Details: System.NullReferenceException: Object reference not set to an instance of an object. Try Here >> : _MemoryStream.Seek(6 * StartOffset, 0) _MemoryStream.Read(_Buffer, 0, 6) Catch ex As IOException // Handle Error End Try Edit: Cleaned the question up to remove the extraneous information.

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