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  • Perform Routine Server Checks Using PowerShell

    Database administrators tend to perform a lot of routine checks, referred to as sanity checks, on a daily, weekly, and monthly basis. Rob Gravelle shows you how to write some PowerShell scripts to automate a couple of fairly common sanity checks. New! SQL Monitor 3.0 Red Gate's multi-server performance monitoring and alerting tool gets results from Day One.Simple to install and easy to use – download a free trial today.

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  • Error accessing or executing Nagios / Icinga binary '/usr/sbin/nagios'. Cannot run the mandatory syntax check

    - by Zim3r
    I see an error while using NConf interface in Generate Nagios config Error accessing or executing Nagios / Icinga binary '/usr/sbin/nagios'. Cannot run the mandatory syntax check. I checked Apache Error_log and it says: sh: /usr/sbin/nagios: Permission denied I tried changing permissions and ownership but no change. How can I fix this? Edit: ls -l /usr/sbin/nagios -rwxrwxrwx. 1 apache apache 644184 Jul 2 02:10 /usr/sbin/nagios ps -ef | egrep 'httpd|apache' root 4175 1 0 10:50 ? 00:00:00 /usr/sbin/httpd apache 4177 4175 0 10:50 ? 00:00:00 /usr/sbin/httpd apache 4178 4175 0 10:50 ? 00:00:00 /usr/sbin/httpd apache 4179 4175 0 10:50 ? 00:00:00 /usr/sbin/httpd apache 4180 4175 0 10:50 ? 00:00:00 /usr/sbin/httpd apache 4181 4175 0 10:50 ? 00:00:00 /usr/sbin/httpd apache 4182 4175 0 10:50 ? 00:00:00 /usr/sbin/httpd apache 4183 4175 0 10:50 ? 00:00:00 /usr/sbin/httpd apache 4184 4175 0 10:50 ? 00:00:00 /usr/sbin/httpd apache 4559 4175 0 11:31 ? 00:00:00 /usr/sbin/httpd root 4888 4854 0 12:26 pts/1 00:00:00 egrep httpd|apache

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  • Automatically check for Security Updates on CentOS or Scientific Linux?

    - by Stefan Lasiewski
    We have machines running RedHat-based distros such as CentOS or Scientific Linux. We want the systems to automatically notify us if there are any known vulnerabilities to the installed packages. FreeBSD does this with the ports-mgmt/portaudit port. RedHat provides yum-plugin-security, which can check for vulnerabilities by their Bugzilla ID, CVE ID or advisory ID. In addition, Fedora recently started to support yum-plugin-security. I believe this was added in Fedora 16. Scientific Linux 6 did not support yum-plugin-security as of late 2011. It does ship with /etc/cron.daily/yum-autoupdate, which updates RPMs daily. I don't think this handles Security Updates only, however. CentOS does not support yum-plugin-security. I monitor the CentOS and Scientific Linux mailinglists for updates, but this is tedious and I want something which can be automated. For those of us who maintain CentOS and SL systems, are there any tools which can: Automatically (Progamatically, via cron) inform us if there are known vulnerabilities with my current RPMs. Optionally, automatically install the minimum upgrade required to address a security vulnerability, which would probably be yum update-minimal --security on the commandline? I have considered using yum-plugin-changelog to print out the changelog for each package, and then parse the output for certain strings. Are there any tools which do this already?

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  • Converting projects to use Automatic NuGet restore

    - by terje
    Originally posted on: http://geekswithblogs.net/terje/archive/2014/06/11/converting-projects-to-use-automatic-nuget-restore.aspxDownload tool In version 2.7 of NuGet automatic nuget restore was introduced, meaning you no longer need to distort your msbuild project files with nuget target information.   Visual Studio and TFS 2013 build have this enabled by default.  However, if your project was created before this was introduced, and/or if you have used the “Enable NuGet Package Restore” afterwards, you now have a series of unwanted things in your projects, and a series of project files that have been modified – and – you no longer neither want nor need this !  You might also get into some unwanted issues due to these modifications.  This is a MSBuild modification that was needed only before NuGet 2.7 ! So: DON’T USE THIS FUNCTION !!! There is an issue https://nuget.codeplex.com/workitem/4019 on this on the NuGet project site to get this function removed, renamed or at least moved farther away from the top level (please help vote it up!).  The response seems to be that it WILL BE removed, around version 3.0. This function does nothing you need after the introduction of NuGet 2.7.  What is also unfortunate is the naming of it – it implies that it is needed, it is not, and what is worse, there is no corresponding function to remove what it does ! So to fix this use the tool named IFix, that will fix this issue for you   - all free of course, and the code is open source.  Also report issues there:  https://github.com/OsirisTerje/IFix    IFix information DOWNLOAD HERE This command line tool installs using an MSI, and add itself to the system path.  If you work in a team, you will probably need to use the  tool multiple times.  Anyone in the team may at any time use the “Enable NuGet Package Restore” function and mess up your project again.  The IFix program can be run either in a  check modus, where it does not write anything back – it only checks if you have any issues, or in a Fix mode, where it will also perform the necessary fixes for you. The IFix program is used like this: IFix <command> [-c/--check] [-f/--fix]  [-v/--verbose] The command in this case is “nugetrestore”.  It will do a check from the location where it is being called, and run through all subfolders from that location. So  “IFix nugetrestore  --check” , will do the check ,  and “IFix nugetrestore  --fix”  will perform the changes, for all files and folders below the current working directory. (Note that --check  can be replaced with only –c, and --fix with –f, and so on. ) BEWARE: When you run the fix option, all solutions to be affected must be closed in Visual Studio ! So, if you just want to DO it, then: IFix nugetrestore --check to see if you have issues then IFix nugetrestore  --fix to fix them. How does it work IFix nugetrestore  checks and optionally fixes four issues that the older enabling of nuget restore did.  The issues are related to the MSBuild projess, and are: Deleting the nuget.targets file. Deleting the nuget.exe that is located under the .nuget folder Removing all references to nuget.targets in the solution file Removing all properties and target imports of nuget.targets inside the csproj files. IFix fixes these issues in the same sequence. The first step, removing the nuget.targets file is the most critical one, and all instances of the nuget.targets file within the scope of a solution has to be removed, and in addition it has to be done with the solution closed in Visual Studio.  If Visual Studio finds a nuget.targets file, the csproj files will be automatically messed up again. This means the removal process above might need to be done multiple times, specially when you’re working with a team, and that solution context menu still has the “Enable NuGet Package Restore” function.  Someone on the team might inadvertently do this at any time. It can be a good idea to add this check to a checkin policy – if you run TFS standard version control, but that will have no effect if you use TFS Git version control of course. So, better be prepared to run the IFix check from time to time. Or, even better, install IFix on your build servers, and add a call to IFix nugetrestore --check in the TFS Build script.    How does it look As a first example I have run the IFix program from the top of a set of git repositories, so it spans multiple repositories with multiple solutions. The result from the check option is as follows: We see the four red lines, there is one for each of the four checks we talked about in the previous section. The fact that they are red, means we have that particular issue. The first section (above the first red text line) is the nuget targets section.  Notice  No.1, it says it has found no paths to copy.  What IFix does here is to check if there are any defined paths to other nuget galleries.  If there are, then those are copied over to the nuget.config file, where is where it should be in version 2.7 and above.   No.2 says it has found the particular nuget.targets file,  No.3  states it HAS found some other nuget galleries defines in the targets file, which then it would like to copy to the config.file. No.4 is the section for nuget.exe files, and list those it has found, and which it would like to delete. No 5 states it has found a reference to nuget.targets in the solution file.  This reference comes from the fact that the .nuget folder is a solution folder, and the items within are described in the solution file. It then checks the csproj files, and as can be seen from the last red line, it ha found issues in 96 out of 198 csproj files.  There are two possible issues in a csproj files.  No.6 is the first one, and the most common and most important one, an “Import project” section.  This is the section that calls the nuget.targets files.  No.7 is another issue, which seems to sometimes be there, sometimes not, it is a RestorePackages property, which also should go away. Now, if we run the IFix nugetrestore –fix command, and then the check again after that, the result is: All green !

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  • Manipulate multiple check boxes by ID using unobtrusive java script?

    - by Dean
    I want to be able to select multiple check boxes onmouseover, but instead of applying onmouseover to every individual box, I've been trying to work out how to do so by manipulating check boxes by ID instead, although I'm not sure where to go from using getElementById,. So instead of what you see below. <html> <head> <script> var Toggle = true; var Highlight=false; function handleKeyPress(evt) { var nbr; if (window.Event) nbr = evt.which; else nbr = event.keyCode; if(nbr==16)Highlight=true; return true; } function MakeFalse(){Highlight=false;} function SelectIt(X){ if(X.checked && Toggle)X.checked=false; else X.checked=true; } function ChangeText() { var test1 = document.getElementById("1"); test1.innerHTML = "onmouseover=SelectIt(this)" } </script> </head> <body> <form name="A"> <input type="checkbox" name="C1" onmouseover="SelectIt(this)" id="1"><br> <input type="checkbox" name="C2" onmouseover="SelectIt(this)" id="2"><br> <input type="checkbox" name="C3" onmouseover="SelectIt(this)" id="3"><br> <input type="checkbox" name="C4" onmouseover="SelectIt(this)" checked="" disabled="disabled" id="4"><br> <input type="checkbox" name="C5" onmouseover="SelectIt(this)" id="5"><br> <input type="checkbox" name="C6" onmouseover="SelectIt(this)" id="6"><br> <input type="checkbox" name="C7" onmouseover="SelectIt(this)" id="7"><br> <input type="checkbox" name="C8" onmouseover="SelectIt(this)" id="8"><br> </form> </body> </html> I want to be able to apply the onmousover effect to an array of check boxes like this <form name="A"> <input type="checkbox" name="C1" id="1"><br> <input type="checkbox" name="C2" id="2"><br> <input type="checkbox" name="C3" id="3"><br> <input type="checkbox" name="C4" checked="" disabled="disabled" id="4"><br> <input type="checkbox" name="C5" id="5"><br> <input type="checkbox" name="C6" id="6"><br> <input type="checkbox" name="C7" id="7"><br> <input type="checkbox" name="C8" id="8"><br> </form> After trying the search feature of stackoverflow.com and looking around on Google I haven't been able to a find a solution that makes sense to me thus far, although I'm still in the process of learning so I fear I might be trying to do something too advanced for my level of knowledge.

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  • Polymorphism problem: How to check type of derived class?

    - by malymato
    Hi, this is my first question here :) I know that I should not check for object type but instead use dynamic_cast, but that would not solve my problem. I have class called Extension and interfaces called IExtendable and IInitializable, IUpdatable, ILoadable, IDrawable (the last four are basicly the same). If Extension implements IExtendable interface, it can extend itself with different Extension objects. The problem is that I want to allow the Extension which implements IExtendable to extend only with Extension that implements the same interfaces as the original Extension. You probably don't unerstand that mess so I try to explain it with code: class IExtendable { public: IExtendable(void); void AddExtension(Extension*); void RemoveExtensionByID(unsigned int); vector<Extension*>* GetExtensionPtr(){return &extensions;}; private: vector<Extension*> extensions; }; class IUpdatable { public: IUpdatable(void); ~IUpdatable(void); virtual void Update(); }; class Extension { public: Extension(void); virtual ~Extension(void); void Enable(){enabled=true;}; void Disable(){enabled=false;}; unsigned int GetIndex(){return ID;}; private: bool enabled; unsigned int ID; static unsigned int _indexID; }; Now imagine the case that I create Extension like this: class MyExtension : public Extension, public IExtendable, public IUpdatable, public IDrawable { public: MyExtension(void); virtual ~MyExtension(void); virtual void AddExtension(Extension*); virtual void Update(); virtual void Draw(); }; And I want to allow this class to extend itself only with Extensions that implements the same interfaces (or less). For example I want it to be able to take Extension which implements IUpdatable; or both IUpdatable and IDrawable; but e.g. not Extension which implements ILoadable. I want to do this because when e.g. Update() will be called on some Extension which implements IExtendable and IUpdateable, it will be also called on these Extensions which extends this Extension. So when I'm adding some Extension to Extension which implements IExtendable and some of the IUpdatable, ILoadable... I'm forced to check if Extension that is going to be add implements these interfaces too. So In the IExtendable::AddExtension(Extension*) I would need to do something like this: void IExtendable::AddExtension(Extension* pEx) { bool ok = true; // check wheather this extension can take pEx // do this with every interface if ((*pEx is IUpdatable) && (*this is_not IUpdatable)) ok = false; if (ok) this->extensions.push_back(pEx); } But how? Any ideas what would be the best solution? I don't want to use dynamic_cast and see if it returns null... thanks

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  • jQuery: How to check if a value exists in an array?

    - by Jannis
    Hello, I am trying to write a simple input field validation plugin at the moment (more of a learning exercise really) and thought this would not be too hard, seeing as all I should have to do is: Get input fields Store them in array with each one's value On submit of form check if array contains any empty strings But I seem to fail at writing something that checks for an empty string (read: input with no text inside) inside my array. Here is the code I have so far: var form = $(this), // passed in form element inputs = form.find('input'), // all of this forms input fields isValid = false; // initially set the form to not be valid function validate() { var fields = inputs.serializeArray(); // make an array out of input fields // start -- this does not work for (var n in fields) { if (fields[n].value == "") { isValid = false; console.log('failed'); } else { isValid = true; console.log('passed'); }; } // end -- this does not work }; // close validate() // TRIGGERS inputs.live('keyup blur', function(event) { validate(); }); Any help with how I can check if one of the fields is blank and if so return a isValid = false would be much appreciated. I also played around with the $.inArray("", fields) but this would never return 0 or 1 even when the console.log showed that the fields had no value. Thanks for reading.

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  • rpm build from src file

    - by danielrutledge
    Hi all, I'm trying to build from a *.src.rpm file on FC 12 in such a way that the files are distributed a across my system as they would with a normal binary build (in this case, *.h files end up in /usr/include). When I ran rpmbuild, the headers weren't present. Here's my rpmbuild command: [root@localhost sphirewalld]# rpm -ivv /home/dan/Downloads/gtest-1.3.0-2.20090601svn257.fc12.src.rpm ============== /home/dan/Downloads/gtest-1.3.0-2.20090601svn257.fc12.src.rpm Expected size: 489395 = lead(96)+sigs(180)+pad(4)+data(489115) Actual size: 489395 loading keyring from pubkeys in /var/lib/rpm/pubkeys/*.key couldn't find any keys in /var/lib/rpm/pubkeys/*.key loading keyring from rpmdb opening db environment /var/lib/rpm/Packages cdb:mpool:joinenv opening db index /var/lib/rpm/Packages rdonly mode=0x0 locked db index /var/lib/rpm/Packages opening db index /var/lib/rpm/Name rdonly mode=0x0 read h# 931 Header sanity check: OK added key gpg-pubkey-57bbccba-4a6f97af to keyring read h# 1327 Header sanity check: OK added key gpg-pubkey-7fac5991-4615767f to keyring read h# 1420 Header sanity check: OK added key gpg-pubkey-16ca1a56-4a100959 to keyring read h# 1896 Header sanity check: OK added key gpg-pubkey-a3a882c1-4a1009ef to keyring Using legacy gpg-pubkey(s) from rpmdb /home/dan/Downloads/gtest-1.3.0-2.20090601svn257.fc12.src.rpm: Header SHA1 digest: OK (3e98ed9b1631395d417e00f35c83ebe588ea9d3b) added source package [0] found 1 source and 0 binary packages Expected size: 489395 = lead(96)+sigs(180)+pad(4)+data(489115) Actual size: 489395 InstallSourcePackage at: psm.c:232: Header SHA1 digest: OK (3e98ed9b1631395d417e00f35c83ebe588ea9d3b) gtest-1.3.0-2.20090601svn257.fc12 ========== Directories not explicitly included in package: 0 /root/rpmbuild/SOURCES/ 1 /root/rpmbuild/SPECS/ ========== warning: user mockbuild does not exist - using root warning: group mockbuild does not exist - using root fini 100664 1 ( 0, 0) 478034 /root/rpmbuild/SOURCES/gtest-1.3.0.tar.bz2;4ba93ce1 unknown warning: user mockbuild does not exist - using root warning: group mockbuild does not exist - using root fini 100644 1 ( 0, 0) 30505 /root/rpmbuild/SOURCES/gtest-svnr257.patch;4ba93ce1 unknown warning: user mockbuild does not exist - using root warning: group mockbuild does not exist - using root fini 100644 1 ( 0, 0) 2732 /root/rpmbuild/SPECS/gtest.spec;4ba93ce1 unknown GZDIO: 63 reads, 511788 total bytes in 0.005930 secs closed db index /var/lib/rpm/Name closed db index /var/lib/rpm/Packages closed db environment /var/lib/rpm/Packages Thanks for your help.

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  • How to check whether a user belongs to an AD group and nested groups?

    - by elsharpo
    hi guys, I have an ASP.NET 3.5 application using Windows Authentication and implementing our own RoleProvider. Problem is we want to restrict access to a set of pages to a few thousand users and rathern than inputing all of those one by one we found out they belong to an AD group. The answer is simple if the common group we are checking membership against the particular user is a direct member of it but the problem I'm having is that if the group is a member of another group and then subsequently member of another group then my code always returns false. For example: Say we want to check whether User is a member of group E, but User is not a direct member of *E", she is a member of "A" which a member of "B" which indeed is a member of E, therefore User is a member of *E" One of the solutions we have is very slow, although it gives the correct answer using (var context = new PrincipalContext(ContextType.Domain)) { using (var group = GroupPrincipal.FindByIdentity(context, IdentityType.Name, "DL-COOL-USERS")) { var users = group.GetMembers(true); // recursively enumerate return users.Any(a => a.Name == "userName"); } } The original solution and what I was trying to get to work, using .NET 3.5 System.DirectoryServices.AccountManagement and it does work when users are direct members of the group in question is as follows: public bool IsUserInGroup(string userName, string groupName) { var cxt = new PrincipalContext(ContextType.Domain, "DOMAIN"); var user = UserPrincipal.FindByIdentity(cxt, IdentityType.SamAccountName, userName); if (user == null) { return false; } var group = GroupPrincipal.FindByIdentity(cxt, groupName); if (group == null) { return false; } return user.IsMemberOf(group); } The bottom line is, we need to check for membership even though the groups are nested in many levels down. Thanks a lot!

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  • cmake missing separator error

    - by user198729
    D:\Works\c\cmake\build>cmake .. -- The C compiler identification is MSVC -- The CXX compiler identification is MSVC -- Check for CL compiler version -- Check for CL compiler version - 1500 -- Check if this is a free VC compiler -- Check if this is a free VC compiler - no -- Check for working C compiler: D:/Tools/Microsoft Visual Studio 9.0/VC/bin/cl.exe -- Check for working C compiler: D:/Tools/Microsoft Visual Studio 9.0/VC/bin/cl.exe -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working CXX compiler: D:/Tools/Microsoft Visual Studio 9.0/VC/bin/cl.exe -- Check for working CXX compiler: D:/Tools/Microsoft Visual Studio 9.0/VC/bin/cl.exe -- works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Configuring done -- Generating done -- Build files have been written to: D:/Works/c/cmake/build D:\Works\c\cmake\build>make Makefile:28: *** missing separator. Stop. I saw many similar problems,but not with cmake,and their solution is to use tabs instead of spaces,but the makefile is generated by cmake,has anyone else met this problem?

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  • Why doesn't gcc remove this check of a non-volatile variable?

    - by Thomas
    This question is mostly academic. I ask out of curiosity, not because this poses an actual problem for me. Consider the following incorrect C program. #include <signal.h> #include <stdio.h> static int running = 1; void handler(int u) { running = 0; } int main() { signal(SIGTERM, handler); while (running) ; printf("Bye!\n"); return 0; } This program is incorrect because the handler interrupts the program flow, so running can be modified at any time and should therefore be declared volatile. But let's say the programmer forgot that. gcc 4.3.3, with the -O3 flag, compiles the loop body (after one initial check of the running flag) down to the infinite loop .L7: jmp .L7 which was to be expected. Now we put something trivial inside the while loop, like: while (running) putchar('.'); And suddenly, gcc does not optimize the loop condition anymore! The loop body's assembly now looks like this (again at -O3): .L7: movq stdout(%rip), %rsi movl $46, %edi call _IO_putc movl running(%rip), %eax testl %eax, %eax jne .L7 We see that running is re-loaded from memory each time through the loop; it is not even cached in a register. Apparently gcc now thinks that the value of running could have changed. So why does gcc suddenly decide that it needs to re-check the value of running in this case?

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  • Should i enforce realloc check if the new block size is smaller than the initial ?

    - by nomemory
    Can realloc fail in this case ? int *a = NULL; a = calloc(100, sizeof(*a)); printf("1.ptr: %d \n", a); a = realloc(a, 50 * sizeof(*a)); printf("2.ptr: %d \n", a); if(a == NULL){ printf("Is it possible?"); } return (0); } The output in my case is: 1.ptr: 4072560 2.ptr: 4072560 So 'a' points to the same adress. So should i enforce realloc check ? Later edit: Using MinGW compiler under Windows XP. Is the behaviour similar with gcc on Linux ? Later edit 2: Is it OK to check this way ? int *a = NULL, *b = NULL; a = calloc(100, sizeof(*a)); b = realloc(a, 50 * sizeof(*a)); if(b == NULL){ return a; } a = b; return a;

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  • How to send check boxes ID in gridview in one string for mass update.

    - by SmartDev
    hi , I have a grid which has check boxes and when selecting the top chek box select all will select all the check box in gridview and would update .for this im using for loop where it exceutes every time and this is taking lot of time cuase there are more thn 100 records in grid . try { string StrOutputMessageDisplayDocReqCsu = string.Empty; string strid = string.Empty; string strflag = string.Empty; string strSelected = string.Empty; for (int j = 0; j < GdvDocReqMU.Rows.Count; j++) { CheckBox Chkupdate = (CheckBox)GdvDocReqMU.Rows[j].Cells[1].FindControl("chkDR"); if (Chkupdate != null) { if (Chkupdate.Checked) { strid = ((Label)GdvDocReqMU.Rows[j].FindControl("lblIDDocReqCsu")).Text; strflag = ((Label)GdvDocReqMU.Rows[j].FindControl("lblStatusDocReqCsu")).Text; cmd = new SqlCommand("sp_Update_v1", con); cmd.CommandType = CommandType.StoredProcedure; cmd.Parameters.AddWithValue("@id", strSelected); cmd.Parameters.AddWithValue("@flag", DdlStatusDocReqMU.SelectedValue); cmd.Parameters.AddWithValue("@notes", txtnotesDocReqMU.Text); cmd.Parameters.AddWithValue("@user", strUseridDRAhk); cmd.Parameters.Add(new SqlParameter("@message", SqlDbType.VarChar, 100, ParameterDirection.Output, false, 0, 50, "message", DataRowVersion.Default, null)); cmd.UpdatedRowSource = UpdateRowSource.OutputParameters; con.Open(); cmd.ExecuteNonQuery(); con.Close(); } } } //} //StrOutputMessageDisplayDocReqCsu += (string)cmd.Parameters["@message"].Value + "<br/>"; //lbldbmessDocReqAhk.Text += StrOutputMessageDisplayDocReqCsu + "<br>"; GetgridDocReq(); } catch (Exception ex) { lbldbmessDocReqAhk.Text = ex.Message.ToString(); }

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  • Hi, how can I use the check box group in JSF to select the items of database and generate a list in

    - by Alexzzy
    I am using netbean and JSF to do my project, recently I encountered a problem that confused me. The question: There is a set of check box groups that identify the artifacts from the nature, creator, period and school. And all the artifacts are stored in a table of database. I would like to select the items by nature or creator or something like that, and generate a list for the items selected in the next page. There are some tables of database for artifacts, nature, creators and school, and the type_ID(this is the nature), creator_ID, school_ID are the foreign keys in artifacts table. I have bound the tables with respective check boxes. For example, if I want to select nature is painting, creator is Davinci, school is Italian Renaissance, and then I click Search button. It will go to next page that generate a list of artifacts about all Italian Renaissance paintings created by Davinci. How can I do that? I was confused by JSF, but I have to use JSF to do my project. Anyone can help me plz??? Thank you very very much !!!!!!!

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  • implementing interface

    - by 1ace1
    hello guys so i have this assignment that i need to implement interface to go over an ArrayList and sort it (ascending or descnding).I dont want "the" answer i just need some suggestions on my approach and why i get this error Exception in thread "main" java.lang.ClassCastException: Week7.Check cannot be cast to java.lang.Comparable at java.util.Arrays.mergeSort(Unknown Source) at java.util.Arrays.sort(Unknown Source) at java.util.Collections.sort(Unknown Source) at Week7.TestCheck.main(TestCheck.java:18) This is how i did it: comparable had one method called public int compairTo(Object o) public class Check implements comparable { private Integer checkNumber; public Check(Integer newCheckNumber) { setCheckNumber(newCheckNumber); } public String toString() { return getCheckNumber().toString(); } public void setCheckNumber(Integer checkNumber) { this.checkNumber = checkNumber; } public Integer getCheckNumber() { return checkNumber; } @Override public int compairTo(Object o) { Check compair = (Check)o; int result = 0; if (this.getCheckNumber() > compair.getCheckNumber()) result = 1; else if(this.getCheckNumber() < compair.getCheckNumber()) result = -1; return result; } } in my main i had this import java.util.ArrayList; import java.util.Collections; public class TestCheck { public static void main(String[] args) { ArrayList checkList = new ArrayList(); checkList.add(new Check(445)); checkList.add(new Check(101)); checkList.add(new Check(110)); checkList.add(new Check(553)); checkList.add(new Check(123)); Collections.sort(checkList); for (int i =0; i < checkList.size(); i++){ System.out.println(checkList.get(i)); } } }

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  • upload new file first check if this file exist already in database or not then if not exist save that in database

    - by Hala Qaseam
    I'm trying to create sql database that contains Image Id (int) Imagename (varchar(50)) Image (image) and in aspx write in upload button this code: protected void btnUpload_Click(object sender, EventArgs e) { //Condition to check if the file uploaded or not if (fileuploadImage.HasFile) { //getting length of uploaded file int length = fileuploadImage.PostedFile.ContentLength; //create a byte array to store the binary image data byte[] imgbyte = new byte[length]; //store the currently selected file in memeory HttpPostedFile img = fileuploadImage.PostedFile; //set the binary data img.InputStream.Read(imgbyte, 0, length); string imagename = txtImageName.Text; //use the web.config to store the connection string SqlConnection connection = new SqlConnection(strcon); connection.Open(); SqlCommand cmd = new SqlCommand("INSERT INTO Image (ImageName,Image) VALUES (@imagename,@imagedata)", connection); cmd.Parameters.Add("@imagename", SqlDbType.VarChar, 50).Value = imagename; cmd.Parameters.Add("@imagedata", SqlDbType.Image).Value = imgbyte; int count = cmd.ExecuteNonQuery(); connection.Close(); if (count == 1) { BindGridData(); txtImageName.Text = string.Empty; ScriptManager.RegisterStartupScript(this, this.GetType(), "alertmessage", "javascript:alert('" + imagename + " image inserted successfully')", true); } } } When I'm uploading a new image I need to first check if this image already exists in database and if it doesn't exist save that in database. Please how I can do that?

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  • How to check if a thread is busy in C#?

    - by Sam
    I have a Windows Forms UI running on a thread, Thread1. I have another thread, Thread2, that gets tons of data via external events that needs to update the Windows UI. (It actually updates multiple UI threads.) I have a third thread, Thread3, that I use as a buffer thread between Thread1 and Thread2 so that Thread2 can continue to update other threads (via the same method). My buffer thread, Thread3, looks like this: public class ThreadBuffer { public ThreadBuffer(frmUI form, CustomArgs e) { form.Invoke((MethodInvoker)delegate { form.UpdateUI(e); }); } } What I would like to do is for my ThreadBuffer to check whether my form is currently busy doing previous updates. If it is, I'd like for it to wait until it frees up and then invoke the UpdateUI(e). I was thinking about either: a) //PseudoCode while(form==busy) { // Do nothing; } form.Invoke((MethodInvoker)delegate { form.UpdateUI(e); }); How would I check the form==busy? Also, I am not sure that this is a good approach. b) Create an event in form1 that will notify the ThreadBuffer that it is ready to process. // psuedocode List<CustomArgs> elist = new List<CustomArgs>(); public ThreadBuffer(frmUI form, CustomArgs e) { from.OnFreedUp += from_OnFreedUp(); elist.Add(e); } private form_OnFreedUp() { if (elist.count == 0) return; form.Invoke((MethodInvoker)delegate { form.UpdateUI(elist[0]); }); elist.Remove(elist[0]); } In this case, how would I write an event that will notify that the form is free? and c) an other ideas?

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  • How to check whether data is stored in core data ?

    - by Warrior
    i am new to iphone development. I am trying to save a static values in to core data database.I want to check whether the data is stored to the database, i am not able to retrieve the data from the database, so i want to check myself whether i made mistake in retrieving the data or in storing the data itself. NSManagedObjectContext *context = [self managedObjectContext]; NSManagedObject *event = [NSEntityDescription insertNewObjectForEntityForName:@"Event" inManagedObjectContext:context]; [event setValue:fname forKey:@"firstname"]; [event setValue:lname forKey:@"lastname"]; i put the above code in the submit button of my formclass. when i restart the app i fetch the data in main view class using this code NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init]; NSEntityDescription *entity = [NSEntityDescription entityForName:@"Event" inManagedObjectContext:self.managedObjectContext]; [fetchRequest setEntity:entity]; NSError *error; NSArray *items = [self.managedObjectContext executeFetchRequest:fetchRequest error:&error]; for (Event *info in items) { NSLog(@"the selected value is : %@", [info valueForKey:@"firstname"]); } [fetchRequest release]; i dont know where i am going wrong.Please help me out.Thanks.

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  • How to check whether a default browser is opened in the operating system (Java)?

    - by stempel1984
    Hi, I am newbie here. During my work, I faced an interesting problem. I need to: check whether a default html browser is opened; check whether the browser is minimized/maximized (simply, a window's state); get an url address typed in the browser. If any of these conditions is not met, I have to open the browser in a maximized view with a desired url address. I primarily wanted to do all this in Java, but it came to my mind that I should employ many techniques/technologies and combine them appropriately to complete the functionality. But, which ones? That's the problem. I just recalled Windows API, but I'm not sure if it is of any help... Some users on another forum suggested that I should consider JNI (no experience at all)... I only know how to open a default browser (e.g. with use of the 'browse(URI uri)' method of the 'java.awt.Desktop' class) - that's too little to be proud of. Please give me some hints, maybe links to reasonable discussions, I would greatly appreciate any suggestions how to approach the problem.

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  • How can I check if PHP was compiled with the UNICODE version of the Win32 API?

    - by Wesley Murch
    This is related to this Stack Overflow post: glob() can't find file names with multibyte characters on Windows? I'm having issues with PHP and files that have multibyte characters on Windows. Here's my test case: print_r(scandir('./uploads/')); print_r(glob('./uploads/*')); Correct Output on remote UNIX server: Array ( [0] => . [1] => .. [2] => filename-äöü.jpg [3] => filename.jpg [4] => test?test.jpg [5] => ??? ?????.jpg [6] => ?????????.jpg [7] => ???.jpg ) Array ( [0] => ./uploads/filename-äöü.jpg [1] => ./uploads/filename.jpg [2] => ./uploads/test?test.jpg [3] => ./uploads/??? ?????.jpg [4] => ./uploads/?????????.jpg [5] => ./uploads/???.jpg ) Incorrect Output locally on Windows: Array ( [0] => . [1] => .. [2] => ??? ?????.jpg [3] => ???.jpg [4] => ?????????.jpg [5] => filename-äöü.jpg [6] => filename.jpg [7] => test?test.jpg ) Array ( [0] => ./uploads/filename-äöü.jpg [1] => ./uploads/filename.jpg ) Here's a relevant excerpt from the answer I chose to accept (which actually is a quote from an article that was posted online over 2 years ago): From the comments on this article: http://www.rooftopsolutions.nl/blog/filesystem-encoding-and-php The output from your PHP installation on Windows is easy to explain : you installed the wrong version of PHP, and used a version not compiled to use the Unicode version of the Win32 API. For this reason, the filesystem calls used by PHP will use the legacy "ANSI" API and so the C/C++ libraries linked with this version of PHP will first try to convert yout UTF-8-encoded PHP string into the local "ANSI" codepage selected in the running environment (see the CHCP command before starting PHP from a command line window) Your version of Windows is MOST PROBABLY NOT responsible of this weird thing. Actually, this is YOUR version of PHP which is not compiled correctly, and that uses the legacy ANSI version of the Win32 API (for compatibility with the legacy 16-bit versions of Windows 95/98 whose filesystem support in the kernel actually had no direct support for Unicode, but used an internal conversion layer to convert Unicode to the local ANSI codepage before using the actual ANSI version of the API). Recompile PHP using the compiler option to use the UNICODE version of the Win32 API (which should be the default today, and anyway always the default for PHP installed on a server that will NEVER be Windows 95 or Windows 98...) I can't confirm whether this is my problem or not. I used phpinfo() and did not find anything interesting, but I wasn't sure what to look for. I've been using XAMPP for easy installations, so I'm really not sure exactly how it was installed. I'm using Windows 7, 64 bit - so forgive my ignorance, but I'm not even sure if "Win32" is relevant here. How can I check if my current version of PHP was compiled with the configuration mentioned above? PHP Version: 5.3.8 System: Windows NT WES-PC 6.1 build 7601 (Windows 7 Home Premium Edition Service Pack 1) i586 Build Date: Aug 23 2011 11:47:20 Compiler: MSVC9 (Visual C++ 2008) Architecture: x86 Configure Command: cscript /nologo configure.js "--enable-snapshot-build" "--disable-isapi" "--enable-debug-pack" "--disable-isapi" "--without-mssql" "--without-pdo-mssql" "--without-pi3web" "--with-pdo-oci=D:\php-sdk\oracle\instantclient10\sdk,shared" "--with-oci8=D:\php-sdk\oracle\instantclient10\sdk,shared" "--with-oci8-11g=D:\php-sdk\oracle\instantclient11\sdk,shared" "--enable-object-out-dir=../obj/" "--enable-com-dotnet" "--with-mcrypt=static" "--disable-static-analyze"

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  • Does an ESEUTIL defrag of an Exchange store also perform an integrity check/repair on it?

    - by Bigbio2002
    Earlier this morning, store.exe fuzzled up in one way or another, which necessitated a restart of our Exchange server. It came back online with no errors or problems, all the transaction logs replayed successfully, and all the stores mounted as normal. To me, it was just one of those random crashes; however, our consultant suspects it was caused by corruption in one of the stores. Perhaps he's correct, since he has far more experience than me, but that's not the point. To fix the suspected errors, he's planinng to run an ESEUTIL defrag (via PerfectDisk) to fix them, which he claims will also fix any errors present. From what I understand, defrag, verify, and repair are 3 separate actions, and a defrag does not imply any kind of integrity check. Is this correct? Are there any dangers of running a straight-up defrag on a database that might be corrupt? Edit: Here's the first error in the event log, which indicated the start of the problems we were having. Anyone know what it might indicate? Event Type: Error Event Source: Microsoft Exchange Server Event Category: None Event ID: 1000 Date: 11/23/2011 Time: 8:15:47 AM User: N/A Computer: SERVER Description: Faulting application exsp.dll, version 6.5.7638.1, stamp 430e735b, faulting module kernel32.dll, version 5.2.3790.4480, stamp 49c51f0a, debug? 0, fault address 0x0000bef7. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. Data: 0000: 41 00 70 00 70 00 6c 00 A.p.p.l. 0008: 69 00 63 00 61 00 74 00 i.c.a.t. 0010: 69 00 6f 00 6e 00 20 00 i.o.n. . 0018: 46 00 61 00 69 00 6c 00 F.a.i.l. 0020: 75 00 72 00 65 00 20 00 u.r.e. . 0028: 20 00 65 00 78 00 73 00 .e.x.s. 0030: 70 00 2e 00 64 00 6c 00 p...d.l. 0038: 6c 00 20 00 36 00 2e 00 l. .6... 0040: 35 00 2e 00 37 00 36 00 5...7.6. 0048: 33 00 38 00 2e 00 31 00 3.8...1. 0050: 20 00 34 00 33 00 30 00 .4.3.0. 0058: 65 00 37 00 33 00 35 00 e.7.3.5. 0060: 62 00 20 00 69 00 6e 00 b. .i.n. 0068: 20 00 6b 00 65 00 72 00 .k.e.r. 0070: 6e 00 65 00 6c 00 33 00 n.e.l.3. 0078: 32 00 2e 00 64 00 6c 00 2...d.l. 0080: 6c 00 20 00 35 00 2e 00 l. .5... 0088: 32 00 2e 00 33 00 37 00 2...3.7. 0090: 39 00 30 00 2e 00 34 00 9.0...4. 0098: 34 00 38 00 30 00 20 00 4.8.0. . 00a0: 34 00 39 00 63 00 35 00 4.9.c.5. 00a8: 31 00 66 00 30 00 61 00 1.f.0.a. 00b0: 20 00 66 00 44 00 65 00 .f.D.e. 00b8: 62 00 75 00 67 00 20 00 b.u.g. . 00c0: 30 00 20 00 61 00 74 00 0. .a.t. 00c8: 20 00 6f 00 66 00 66 00 .o.f.f. 00d0: 73 00 65 00 74 00 20 00 s.e.t. . 00d8: 30 00 30 00 30 00 30 00 0.0.0.0. 00e0: 62 00 65 00 66 00 37 00 b.e.f.7. 00e8: 0d 00 0a 00 ....

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  • Check my anagram code from a job interview in the past.

    - by Michael Dorgan
    Had the following as an interview question a while ago and choked so bad on basic syntax that I failed to advance (once the adrenalin kicks in, coding goes out the window.) Given a list of string, return a list of sets of strings that are anagrams of the input set. i.e. "dog","god", "foo" should return {"dog","god"}. Afterward, I created the code on my own as a sanity check and it's been around now for a bit. I'd welcome input on it to see if I missed anything or if I could have done it much more efficiently. Take it as a chance to improve myself and learn other techniques: void Anagram::doWork(list input, list &output) { typedef list SortType; SortType sortedInput; // sort each string and pair it with the original for(list<string>::iterator i = input.begin(); i != input.end(); ++i) { string tempString(*i); std::sort(tempString.begin(), tempString.end()); sortedInput.push_back(make_pair(*i, tempString)); } // Now step through the new sorted list for(SortType::iterator i = sortedInput.begin(); i != sortedInput.end();) { set<string> newSet; // Assume (hope) we have a match and pre-add the first. newSet.insert(i->first); // Set the secondary iterator one past the outside to prevent // matching the original SortType::iterator j = i; ++j; while(j != sortedInput.end()) { if(i->second == j->second) { // If the string matches, add it to the set and remove it // so that future searches need not worry about it newSet.insert(j->first); j = sortedInput.erase(j); } else { // else, next element ++j; } } // If size is bigger than our original push, we have a match - save it to the output if(newSet.size() > 1) { output.push_back(newSet); } // erase this element and update the iterator i = sortedInput.erase(i); } }

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