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  • How to update a table using a select group by in a second one as the data source in MySQL?

    - by Jader Dias
    I can't do this in MySQL UPDATE tableA, tableB SET tableA.column1 = SUM(tableB.column2) WHERE tableA.column3 = tableB.column4 GROUP BY tableB.column4 ; Neither can I UPDATE tableA, ( SELECT SUM(tableB.column2) sumB, tableB.column4 FROM tableB GROUP BY tableB.column4 ) t1 SET tableA.column1 = sumB WHERE tableA.column3 = column4 ; Besides it being illegal code, I think you can understand what I tried to do with the queries above. Both of them had the same intent. How can I do that in MySQL?

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  • Is there a way to easily convert a series of tarballs of a source tree into a git repository?

    - by Hotei
    I'm new to git and I have a moderately large number of weekly tarballs from a long running project. Each tarball has on average a few hundred files in it. I'm looking for a git strategy that will allow me to add the expanded contents of each tarball to a new git repository, starting from version 1.001 and going through version 1.650. As of this stage of the project 99.5% of tarball(n) is just a copy of version(n-1) - in other words, a perfect candidate for git. The desired end result is to have only the master branch remaining at the end of the process. I think I know git well enough to do this "by hand". As I understand it there is no possibility of a merge conflict since there will be no opportunity to change the master before the next version is added and committed. A shell script is my first guess, but I'm not sure how well bash will like it when git checkout branch_n gets processed while bash is executing in branch_n-1. For the purposes of this project the host environment is Ubuntu 10.4, resources available are 8 Gig RAM, 500 Gig Disk space free and 4 CPU processor at 3.ghz . I don't need someone else to solve the problem but I could use a nudge in the right direction as to how a git expert would approach it. Any advice from someone who's "been there done that" would be appreciated. Hotei PS: I have looked at site's suggested "related questions" and found nothing relevant.

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  • What is the base open source java package to filter/match URLs?

    - by Boaz
    Hi, I have an high performance application which deals with URLs. For every URL it needs to retrieve the appropriate settings from a predefined pool. Every settings object is associated with a URL pattern which indicates which URLs should use these settings. The matching rules are as follows: "google.com" match pattern should match all URLs pointing to the google domain (thus, maps.google.com and www.google.com/match are matched). "*.google.com" should match all URLs pointing to a subdomain of google.com (thus, maps.google.com matches, but google.com and www.google.com don't). "maps.google.com" should match all URLs pointing to this specific subdomain. Apart from the above rules, every match rule can contain a path, which means that the path part of the URL should start with the match rule path. So: "*.google.com/maps" matches "maps.google.com/maps" but not "maps.google.com/advanced". As you can see the rules above are overlapping. In the case two rules exist which match the same URL the most specific should apply. The list above is ranked from least specific to most specific. This seems to be such a standard problem that I was hoping to use a ready made library rather than program my self. Google reveals a couple of options but without a clear way to choose between them. What would you recommend as a good library for this task? Thanks, Boaz

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  • image not loading

    - by Delirium tremens
    trying to run the code // Create a label with an image Image image = new Image(display, "interspatial.gif"); Label imageLabel = new Label(shell, SWT.NONE); imageLabel.setImage(image); is giving me the error message Exception in thread "main" org.eclipse.swt.SWTException: i/o error (java.io.FileNotFoundException: interspatial.gif (O sistema não pode encontrar o arquivo especificado)) at org.eclipse.swt.SWT.error(Unknown Source) at org.eclipse.swt.SWT.error(Unknown Source) at org.eclipse.swt.graphics.ImageLoader.load(Unknown Source) at org.eclipse.swt.graphics.ImageDataLoader.load(Unknown Source) at org.eclipse.swt.graphics.ImageData.<init>(Unknown Source) at org.eclipse.swt.graphics.Image.<init>(Unknown Source) at examples.ch5.LabelExample.main(LabelExample.java:31) Caused by: java.io.FileNotFoundException: interspatial.gif (O sistema não pode encontrar o arquivo especificado) at java.io.FileInputStream.open(Native Method) at java.io.FileInputStream.<init>(FileInputStream.java:106) at java.io.FileInputStream.<init>(FileInputStream.java:66) at org.eclipse.swt.internal.Compatibility.newFileInputStream(Unknown Source) ... 5 more Additional information: In Eclipse, I had expanded Chapter05, then examples.ch5, then right-clicked LabelExample.java, then chose Run As, then 1 Java Application. I tried placing interspatial.gif in the Chapter05 dir, the examples dir, the ch5 dir and the images dir (probably related to an other source code from the same chapter). There is "a package examples.ch5;" line in the beginning of the file. Why is the image not loading?

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  • Windows Build System: How to build a project (from its source code) which doesn't have *.sln or Visu

    - by claws
    I'm facing this problem. So, I need to build the support libraries (zlib, libtiff, libpng, libxml2, libiconv) with "Multithreaded DLL" (/MD) & "Multithreaded DLL Debug" (/MDd) run-time options. But the problem is there is no direct way . I mean there is no *.sln / *.vcproj file which I can open in Visual C++ and build it. I'm aware with the GNU build system: $./configure --with-all-sorts-of-required-switches $./make $./make install During my search I've encountered with something called CMake which generates *.vcproj & *.sln file but for that CMakeLists.txt is required. Not all projects provide CMakeLists.txt. I've never compiled anything from Visual C++ Command Line. Generally most projects provide makefile. Now how do I generate *.vcproj / *.sln from this? Can I compile with mingw-make of MinGW? If I can, how do I set different options ("Multi-Threaded"(/MT), "Multi-Threaded Debug"(/MTd), "Multi-Threaded DLL"(/MD), "Multi-Threaded DLL Debug"(/MDd)) for run-time libraries? I don't know what other ways are available. Please throw some light on this.

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  • How can you tell the source of the data when using the Stream.BeginRead Method?

    - by xarzu
    When using the Stream.BeginRead Method, and you are reading from a stream into a memory, how is it determined where you are reading the data from? See: http://msdn.microsoft.com/en-us/library/system.io.stream.beginread.aspx In the list of parameters, I do not see one that tells where the data is being read from: Parameters buffer Type: System.Byte[] The buffer to read the data into. offset Type: System.Int32 The byte offset in buffer at which to begin writing data read from the stream. count Type: System.Int32 The maximum number of bytes to read. callback Type: System.AsyncCallback An optional asynchronous callback, to be called when the read is complete. state Type: System.Object A user-provided object that distinguishes this particular asynchronous read request from other requests.

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  • Data table columns become out of order after changing data source.

    - by Scott Chamberlain
    This is kind of a oddball problem so I will try to describe the best that I can. I have a DataGridView that shows a list of contracts and various pieces of information about them. There are three view modes: Contract Approval, Pre-Production, and Production. Each mode has it's own set of columns that need to be displayed. What I have been doing is I have three radio buttons one for each contract style. all of them fire their check changed on this function private void rbContracts_CheckedChanged(object sender, EventArgs e) { dgvContracts.Columns.Clear(); if (((RadioButton)sender).Checked == true) { if (sender == rbPreProduction) { dgvContracts.Columns.AddRange(searchSettings.GetPreProductionColumns()); this.contractsBindingSource.DataMember = "Preproduction"; this.preproductionTableAdapter.Fill(this.searchDialogDataSet.Preproduction); } else if (sender == rbProduction) { dgvContracts.Columns.AddRange(searchSettings.GetProductionColumns()); this.contractsBindingSource.DataMember = "Production"; this.productionTableAdapter.Fill(this.searchDialogDataSet.Production); } else if (sender == rbContracts) { dgvContracts.Columns.AddRange(searchSettings.GetContractsColumns()); this.contractsBindingSource.DataMember = "Contracts"; this.contractsTableAdapter.Fill(this.searchDialogDataSet.Contracts); } } } Here is the GetxxxColumns function public DataGridViewColumn[] GetPreProductionColumns() { this.dgvTxtPreAccount.Visible = DgvTxtPreAccountVisable; this.dgvTxtPreImpromedAccNum.Visible = DgvTxtPreImpromedAccNumVisable; this.dgvTxtPreCreateDate.Visible = DgvTxtPreCreateDateVisable; this.dgvTxtPreCurrentSoftware.Visible = DgvTxtPreCurrentSoftwareVisable; this.dgvTxtPreConversionRequired.Visible = DgvTxtPreConversionRequiredVisable; this.dgvTxtPreConversionLevel.Visible = DgvTxtPreConversionLevelVisable; this.dgvTxtPreProgrammer.Visible = DgvTxtPreProgrammerVisable; this.dgvCbxPreEdge.Visible = DgvCbxPreEdgeVisable; this.dgvCbxPreEducationRequired.Visible = DgvCbxPreEducationRequiredVisable; this.dgvTxtPreTargetMonth.Visible = DgvTxtPreTargetMonthVisable; this.dgvCbxPreEdgeDatesDate.Visible = DgvCbxPreEdgeDatesDateVisable; this.dgvTxtPreStartDate.Visible = DgvTxtPreStartDateVisable; this.dgvTxtPreUserName.Visible = DgvTxtPreUserNameVisable; this.dgvCbxPreProductionId.Visible = DgvCbxPreProductionIdVisable; return new System.Windows.Forms.DataGridViewColumn[] { this.dgvTxtPreAccount, this.dgvTxtPreImpromedAccNum, this.dgvTxtPreCreateDate, this.dgvTxtPreCurrentSoftware, this.dgvTxtPreConversionRequired, this.dgvTxtPreConversionLevel, this.dgvTxtPreProgrammer, this.dgvCbxPreEdge, this.dgvCbxPreEducationRequired, this.dgvTxtPreTargetMonth, this.dgvCbxPreEdgeDatesDate, this.dgvTxtPreStartDate, this.dgvTxtPreUserName, this.dgvCbxPreProductionId, this.dgvTxtCmnHold, this.dgvTxtCmnConcern, this.dgvTxtCmnAccuracyStatus, this.dgvTxtCmnEconomicStatus, this.dgvTxtCmnSoftwareStatus, this.dgvTxtCmnServiceStatus, this.dgvTxtCmnHardwareStatus, this.dgvTxtCmnAncillaryStatus, this.dgvTxtCmnFlowStatus, this.dgvTxtCmnImpromedAccountNum, this.dgvTxtCmnOpportunityId}; } public DataGridViewColumn[] GetProductionColumns() { this.dgvcTxtProAccount.Visible = DgvTxtProAccountVisable; this.dgvTxtProImpromedAccNum.Visible = DgvTxtProImpromedAccNumVisable; this.dgvTxtProCreateDate.Visible = DgvTxtProCreateDateVisable; this.dgvTxtProConvRequired.Visible = DgvTxtProConvRequiredVisable; this.dgvTxtProEdgeRequired.Visible = DgvTxtProEdgeRequiredVisable; this.dgvTxtProStartDate.Visible = DgvTxtProStartDateVisable; this.dgvTxtProHardwareRequired.Visible = DgvTxtProHardwareReqiredVisable; this.dgvTxtProStandardDate.Visible = DgvTxtProStandardDateVisable; this.dgvTxtProSystemScheduleDate.Visible = DgvTxtProSystemScheduleDateVisable; this.dgvTxtProHwSystemCompleteDate.Visible = DgvTxtProHwSystemCompleteDateVisable; this.dgvTxtProHardwareTechnician.Visible = DgvTxtProHardwareTechnicianVisable; return new System.Windows.Forms.DataGridViewColumn[] { this.dgvcTxtProAccount, this.dgvTxtProImpromedAccNum, this.dgvTxtProCreateDate, this.dgvTxtProConvRequired, this.dgvTxtProEdgeRequired, this.dgvTxtProStartDate, this.dgvTxtProHardwareRequired, this.dgvTxtProStandardDate, this.dgvTxtProSystemScheduleDate, this.dgvTxtProHwSystemCompleteDate, this.dgvTxtProHardwareTechnician, this.dgvTxtCmnHold, this.dgvTxtCmnConcern, this.dgvTxtCmnAccuracyStatus, this.dgvTxtCmnEconomicStatus, this.dgvTxtCmnSoftwareStatus, this.dgvTxtCmnServiceStatus, this.dgvTxtCmnHardwareStatus, this.dgvTxtCmnAncillaryStatus, this.dgvTxtCmnFlowStatus, this.dgvTxtCmnImpromedAccountNum, this.dgvTxtCmnOpportunityId}; } public DataGridViewColumn[] GetContractsColumns() { this.dgvTxtConAccount.Visible = this.DgvTxtConAccountVisable; this.dgvTxtConAccuracyStatus.Visible = this.DgvTxtConAccuracyStatusVisable; this.dgvTxtConCreateDate.Visible = this.DgvTxtConCreateDateVisable; this.dgvTxtConEconomicStatus.Visible = this.DgvTxtConEconomicStatusVisable; this.dgvTxtConHardwareStatus.Visible = this.DgvTxtConHardwareStatusVisable; this.dgvTxtConImpromedAccNum.Visible = this.DgvTxtConImpromedAccNumVisable; this.dgvTxtConServiceStatus.Visible = this.DgvTxtConServiceStatusVisable; this.dgvTxtConSoftwareStatus.Visible = this.DgvTxtConSoftwareStatusVisable; this.dgvCbxConPreProductionId.Visible = this.DgvCbxConPreProductionIdVisable; this.dgvCbxConProductionId.Visible = this.DgvCbxConProductionVisable; return new System.Windows.Forms.DataGridViewColumn[] { this.dgvTxtConAccount, this.dgvTxtConImpromedAccNum, this.dgvTxtConCreateDate, this.dgvTxtConAccuracyStatus, this.dgvTxtConEconomicStatus, this.dgvTxtConSoftwareStatus, this.dgvTxtConServiceStatus, this.dgvTxtConHardwareStatus, this.dgvCbxConPreProductionId, this.dgvCbxConProductionId, this.dgvTxtCmnHold, this.dgvTxtCmnConcern, this.dgvTxtCmnAccuracyStatus, this.dgvTxtCmnEconomicStatus, this.dgvTxtCmnSoftwareStatus, this.dgvTxtCmnServiceStatus, this.dgvTxtCmnHardwareStatus, this.dgvTxtCmnAncillaryStatus, this.dgvTxtCmnFlowStatus, this.dgvTxtCmnImpromedAccountNum, this.dgvTxtCmnOpportunityId}; } The issue is when I check a button the first time, everything shows up ok. I choose another view, everything is ok. But when I click on the first view the columns are out of order (it is like they are in reverse order but it is not exactly the same). this happens only to the first page you click on, the other two are fine. You can click off and click back on as many times as you want after those initial steps, The first list you selected at the start will be out of order the other two will be correct. Any ideas on what could be causing this?

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  • How to generate a random but unique number and display that number within the source of my image tag

    - by Matthew
    Hello guys, I have done some searching but really haven't found what I'm looking for. What I would like to do is generate a random BUT unique 5 digit number and push whatever number into an img tag on my page. For example when people come to my page this number would generate and get pushed into this image tag: <img src="http://www.sample.com?randomNUM=12345" height="1" width="1" /> I have a mySQL DB and am looking to do this in PHP. Thank, Matt

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  • YSLow says certain CSS are not gzipped

    - by rhand
    YSlow keeps on telling me files like http://www.example.com/wp-content/plugins/q-and-a/css/q-a-plus.css?ver=1.0.6.2 are not gzipped while the gzip test tool at Feed the Bot mentions I am all good: Compressed? Yes Compression type gzip Page size (Bytes) 32,493 Compressed size (Bytes) -1 Saving (Bytes) 32,494 Compression % 100% I added this to my .htaccess: # Gzip <ifModule mod_gzip.c> mod_gzip_on Yes mod_gzip_dechunk Yes mod_gzip_item_include file .(html?|txt|css|js|php|pl)$ mod_gzip_item_include handler ^cgi-script$ mod_gzip_item_include mime ^text/.* mod_gzip_item_include mime ^application/x-javascript.* mod_gzip_item_exclude mime ^image/.* mod_gzip_item_exclude rspheader ^Content-Encoding:.*gzip.* </ifModule> #Deflate <ifmodule mod_deflate.c> AddOutputFilterByType DEFLATE text/text text/html text/plain text/xml text/css application/x-javascript application/javascript </ifmodule> The header for the file mentioned states: CF-Cache-Status MISS CF-RAY 13945df90a9a0c1d-AMS Cache-Control public, max-age=2592000 Connection keep-alive Content-Encoding gzip Content-Type application/javascript Date Thu, 12 Jun 2014 07:34:38 GMT Expires Sat, 12 Jul 2014 07:34:38 GMT Last-Modified Thu, 21 Feb 2013 01:29:18 GMT Server cloudflare-nginx Transfer-Encoding chunked Vary Accept-Encoding Any ideas what I am missing here?

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  • Is automated source translation seen as beneficial and/or necessary?

    - by busybutwantmore
    I have recently spent several years translating legacy FORTRAN into Java. Prior to that, I found myself translating FORTRAN into C (for which I wrote a simple translation tool). After all this work, I find myself wondering how many others are doing similar language-to-language translations and whether an automated way of doing so would be beneficial. I know about F2C, For_C, F2J and others, as well as some of the translation sites, but none seem to be all that successful. Having seen output from For_C, I can see why it just hasn't taken off. While it is technically correct, it is very difficult to maintain. So, I guess what I am wondering is if there were are tool that produced more maintainable, more grok-able code than the code I have seen, would developers use it? Or are developers as jaded as many posts seem to indicate and unwilling to use generated code as it could never be as good as their manually translated code?

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  • Given a program's source code, what is a simple way to calculate the function points?

    - by user354822
    For class, I was told to give a function point count for Mozilla Thunderbird, however I am absolutely stumped as to how to approach this. Some methods I saw online suggested analyzing the interface of the program itself, however they used very simple methods. Thunderbird has a very complex interface and has so many FPs, I'm not sure if I could do it by hand. Some help would be very much appreciated. Thanks!

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  • Plastic SCM vs. Mercurial? Need Source Control for Visual Studio 2005 on Windows 7

    - by Pete Alvin
    1) Has anyone used Plastic SCM? Is it reliable? 2) How does it compare with Mercurial? (It seems like this is a good candidate for DVCS on Windows. I tried Git and really didn't like it.) 3) I really like TortoiseSVN. I like a central model because of the piece of mind that if it's in the respository it's "safe" and tracked. Here is the question: Is the excitement over distributed version control (DVCS) worth the hype? My environment: Windows 7 Windows development (Dev. Studio 2005, SQL Server 2003); integration would be nice Two developers sharing same code push code to production servers almost daily

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  • jQuery: show an element from select drop down, hide it when other option selected

    - by Ricardo Zea
    I've tried looking around and there are similar problems, but mine is way more simple, but yet, I can't find a solution within these forums. While learning jQuery, I'm trying to show a DIV when an item/option from a select drop down is selected, and hide that same DIV when any other option in the select drop down is selected. select HTML: <select name="source" id="source"> <option value="null" selected="selected">&mdash;Select&mdash;</option> <option value="s1">Source 1</option> <option value="s2">Source 2</option> <option value="sother">Other</option> </select> DIV I need to show when 'Other' is selected: <div id="specify-source">Other source here...</div> When any other option in the select menu is selected, the above DIV shouldn't be visible. I've tried this jQuery but of course it doesn't work properly: $(function() { $.viewMap = { 'sother' : $('#specify-source') }; $('#source').change(function() { // hide all $.each($.viewMap, function() { this.hide(); }); // show current $.viewMap[$(this).val()].show(); }); }); Any help you can give me, I'd greatly appreciate it. Thanks,

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  • duplicate cache pages: Varnish

    - by Sukhjinder Singh
    Recently we have configured Varnish on our server, it was successfully setup but we noticed that if we open any page in multiple browsers, the Varnish send request to Apache not matter page is cached or not. If we refresh twice on each browser it creates duplicate copies of the same page. What exactly should happen: If any page is cached by Varnish, the subsequent request should be served from Varnish itself when we are opening the same page in browser OR we are opening that page from different IP address. Following is my default.vcl file backend default { .host = "127.0.0.1"; .port = "80"; } sub vcl_recv { if( req.url ~ "^/search/.*$") { }else { set req.url = regsub(req.url, "\?.*", ""); } if (req.restarts == 0) { if (req.http.x-forwarded-for) { set req.http.X-Forwarded-For = req.http.X-Forwarded-For + ", " + client.ip; } else { set req.http.X-Forwarded-For = client.ip; } } if (!req.backend.healthy) { unset req.http.Cookie; } set req.grace = 6h; if (req.url ~ "^/status\.php$" || req.url ~ "^/update\.php$" || req.url ~ "^/admin$" || req.url ~ "^/admin/.*$" || req.url ~ "^/flag/.*$" || req.url ~ "^.*/ajax/.*$" || req.url ~ "^.*/ahah/.*$") { return (pass); } if (req.url ~ "(?i)\.(pdf|asc|dat|txt|doc|xls|ppt|tgz|csv|png|gif|jpeg|jpg|ico|swf|css|js)(\?.*)?$") { unset req.http.Cookie; } if (req.http.Cookie) { set req.http.Cookie = ";" + req.http.Cookie; set req.http.Cookie = regsuball(req.http.Cookie, "; +", ";"); set req.http.Cookie = regsuball(req.http.Cookie, ";(SESS[a-z0-9]+|SSESS[a-z0-9]+|NO_CACHE)=", "; \1="); set req.http.Cookie = regsuball(req.http.Cookie, ";[^ ][^;]*", ""); set req.http.Cookie = regsuball(req.http.Cookie, "^[; ]+|[; ]+$", ""); if (req.http.Cookie == "") { unset req.http.Cookie; } else { return (pass); } } if (req.request != "GET" && req.request != "HEAD" && req.request != "PUT" && req.request != "POST" && req.request != "TRACE" && req.request != "OPTIONS" && req.request != "DELETE") {return(pipe);} /* Non-RFC2616 or CONNECT which is weird. */ if (req.request != "GET" && req.request != "HEAD") { return (pass); } if (req.http.Accept-Encoding) { if (req.url ~ "\.(jpg|png|gif|gz|tgz|bz2|tbz|mp3|ogg)$") { # No point in compressing these remove req.http.Accept-Encoding; } else if (req.http.Accept-Encoding ~ "gzip") { set req.http.Accept-Encoding = "gzip"; } else if (req.http.Accept-Encoding ~ "deflate") { set req.http.Accept-Encoding = "deflate"; } else { # unknown algorithm remove req.http.Accept-Encoding; } } return (lookup); } sub vcl_deliver { if (obj.hits > 0) { set resp.http.X-Varnish-Cache = "HIT"; } else { set resp.http.X-Varnish-Cache = "MISS"; } } sub vcl_fetch { if (beresp.status == 404 || beresp.status == 301 || beresp.status == 500) { set beresp.ttl = 10m; } if (req.url ~ "(?i)\.(pdf|asc|dat|txt|doc|xls|ppt|tgz|csv|png|gif|jpeg|jpg|ico|swf|css|js)(\?.*)?$") { unset beresp.http.set-cookie; } set beresp.grace = 6h; } sub vcl_hash { hash_data(req.url); if (req.http.host) { hash_data(req.http.host); } else { hash_data(server.ip); } return (hash); } sub vcl_pipe { set req.http.connection = "close"; } sub vcl_hit { if (req.request == "PURGE") {ban_url(req.url); error 200 "Purged";} if (!obj.ttl > 0s) {return(pass);} } sub vcl_miss { if (req.request == "PURGE") {error 200 "Not in cache";} }

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  • Manipulating source packages from Hackage how to easy deploy to several windowsboxes?

    - by Jonke
    Recently when I have found good sources packages for ghc 6.12/6.10 on Hackage I've been forced to do some minor or major changes to the cabal files to make those packages to work under windows. Besides to fork and merge my fixes with github, what seems to be the best way/ good enough practice to take these modified builds to a couple of other windows boxes that only has a basic haskell platform installed? I should prefer if I somehow could work with the cabal-install because that is what one normally use. Should one put the modfied build dirs on a shared/networked dir and mount from the targeted windows box? Say something like this: on machine prepare cabal fetch foo cabal unpack foo cd foo edit .cabal and .hs cabal configure cabal build On machine useanddevelopnormal cd machinepreparemount cd foo cabal install

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  • C# struct with object as data member

    - by source-energy
    As we know, in C# structs are passed by value, not by reference. So if I have a struct with the following data members: private struct MessageBox { // data members private DateTime dm_DateTimeStamp; // a struct type private TimeSpan dm_TimeSpanInterval; // also a struct private ulong dm_MessageID; // System.Int64 type, struct private String dm_strMessage; // an object (hence a reference is stored here) // more methods, properties, etc ... } So when a MessageBox is passed as a parameter, a COPY is made on the stack, right? What does that mean in terms of how the data members are copied? The first two are struct types, so copies should be made of DateTime and TimeSpan. The third type is a primitive, so it's also copied. But what about the dm_strMessage, which is a reference to an object? When it's copied, another reference to the same String is created, right? The object itself resides in the heap, and is NOT copied (there is only one instance of it on the heap.) So now we have to references to the same object of type String. If the two references are accessed from different threads, it's conceivable that the String object could be corrupted by being modified from two different directions simultaneously. The MSDN documentation says that System.String is thread safe. Does that mean that the String class has a built-in mechanism to prevent an object being corrupted in exactly the type of situation described here? I'm trying to figure out if my MessageBox struct has any potential flaws / pitfalls being a structure vs. a class. Thanks for any input. Source.Energy.

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  • Redirect from folder containing website

    - by Sam
    I have a website reached from this url: http://www.mysite.com/cms/index.php being served from this directory: public_html/cms/index.php In public_html I have this .htaccess RewriteRule (.*) cms/$1 [L] Which lets me get to the site like this: http://www.mysite.com/index.php But now if I reference the 'old' address, I'd like to redirect to the rewritten address with a permanent redirect code. for example: http://www.mysite.com/cms/?q=node/1 is redirected to... http://www.mysite.com/?q=node/1 How can I make this happen? EDIT: Also in the .htaccess file supplied with Drupal(cms), this is written. I've tried enabling it, but it doesn't seem to have any effect. # Modify the RewriteBase if you are using Drupal in a subdirectory or in a # VirtualDocumentRoot and the rewrite rules are not working properly. # For example if your site is at http://example.com/drupal uncomment and # modify the following line: # RewriteBase /drupal EDIT: Including more of my .htaccess file - seems relevant. # Block access to "hidden" directories whose names begin with a period. RewriteRule "(^|/)\." - [F] #Strip cms folder from url RewriteRule (.*) cms/$1 RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_URI} !=/favicon.ico RewriteRule ^ index.php [L] # Rules to correctly serve gzip compressed CSS and JS files. # Requires both mod_rewrite and mod_headers to be enabled. <IfModule mod_headers.c> # Serve gzip compressed CSS files if they exist and the client accepts gzip. RewriteCond %{HTTP:Accept-encoding} gzip RewriteCond %{REQUEST_FILENAME}\.gz -s RewriteRule ^(.*)\.css $1\.css\.gz [QSA] # Serve gzip compressed JS files if they exist and the client accepts gzip. RewriteCond %{HTTP:Accept-encoding} gzip RewriteCond %{REQUEST_FILENAME}\.gz -s RewriteRule ^(.*)\.js $1\.js\.gz [QSA] # Serve correct content types, and prevent mod_deflate double gzip. RewriteRule \.css\.gz$ - [T=text/css,E=no-gzip:1] RewriteRule \.js\.gz$ - [T=text/javascript,E=no-gzip:1] <FilesMatch "(\.js\.gz|\.css\.gz)$"> # Serve correct encoding type. Header append Content-Encoding gzip # Force proxies to cache gzipped & non-gzipped css/js files separately. Header append Vary Accept-Encoding </FilesMatch>

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