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  • Inserting and removing a string into/from an array

    - by alex
    Hello all! I have an array and variable. If the variable does not exist in the array it has to be added, otherwise it has to be removed. Why the following code does not work? $ar = ["a","b","c"]; $vr = "b"; foreach ($ar as $i => $value) { if ($value == $vr) { unset ($ar[$i]); } else { $ar[] = $vr; $ar = array_unique($ar); } } Thanks.

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  • how to pass a parameter to method with php's is_callable

    - by fayer
    i have to create a variable that is callable with php's is_callable i have done this: $callable = array(new MyClass, 'methodName'); but i want to pass a parameter to the method. how can i do that? cause using symfony's event dispatcher component will be like: $sfEventDispatcher->connect('log.write', array(new IC_Log('logfile.txt'), 'write')); the first parameter is just a event name, the second is the callable variable. but i can only call the write method, i want to pass a parameter to it. could someone help me out. thanks

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  • Is it wise to rely on default features of a programming language?

    - by George Edison
    Should I frequently rely on default values? For example, in PHP, if you have the following: <?php $var .= "Value"; ?> This is perfectly fine - it works. But what if assignment like this to a previously unused variable is later eliminated from the language? (I'm not referring to just general assignment to an unused variable.) There are countless examples of where the default value of something has changed and so much existing code was then useless. On the other hand, without default values, there is a lot of code redundancy. What is the proper way of dealing with this?

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  • facing problem copying files through xcopy using vbscript

    - by sushant
    i am using the following code. the problem is that folder location path has to be entered by user. assuming i put that path in a variable say "h", how do i call this variable in xcopy. here is the code i tried. please tell the correct syntax. Dim WshShell, oExec,g,h h="D:\newfolder" g="xcopy $h D:\y\ /E" Set WshShell = CreateObject("WScript.Shell") Set oExec = WshShell.Exec(g) i also tried "&h" but it did not work. any help is appreciated and sorry again, i dont know how to format it.

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  • How to access the calling source line from interactive shell

    - by TJD
    I want to make a function that can determine the source code of how it was called. I'm aware of how to do this generally with the inspect module. For example, this question, works well and provides my desired output in the lines variable as shown below: def hello(x): frame,filename,line_number,function_name,lines,index=\ inspect.getouterframes(inspect.currentframe())[1] print(frame,filename,line_number,function_name,lines,index) The problem is that this solution doesn't work in an interactive command line session. For example, from a command line, the result looks like: >>> y = hello(7) (<frame object at 0x01ECA9E8>, '<stdin>', 1, '<module>', None, None) The problem is that the source file is '<stdin>', so the lines variable is None. How can I access the calling line to find the result containing the string y = hello(7) during an interactive session?

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  • Can you set a form field value with PHP?

    - by dcp3450
    I use the $_GET function to pull a value with php from the url (http:..../index.html?variable=value), basic stuff. However, I need to use that value in my form. Typically, I would set <?php echo 'value="'.$variable.'"' ; ?> or something to that effect. However, I can't use php inside my form using the editor I'm working with. Can I set a value in the form without using PHP in my form? If so, how?

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  • SQL tables using VARCHAR with UTF8 (with respect to multi byte character length)

    - by Elius
    Like in Oracle VARCHAR( 60 CHAR ) I would like to specify a varchar field with variable length depending on the inserted characters. for example: create table X (text varchar(3)) insert into X (text) VALUES ('äöü') Should be possible (with UTF8 as the default charset of the database). On DB2 I got this Error: DB2 SQL Error: SQLCODE=-302, SQLSTATE=22001 (Character data, right truncation occurred; for example, an update or insert value is a string that is too long for the column, or a datetime value cannot be assigned to a host variable, because it is too small.) I'm looking for solutions for DB2, MsSql, MySql, Hypersonic.

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  • What is the standard way of using a sitemap with pages that require specific information passed to t

    - by Mike
    Hi, I have a website for which many pages rely on information passed to them (usually in the form of a querystring) or on a session variable. When making a web application, how do you normally handle these particular pages in regards to the sitemap? If you're using the standard ASP.NET menu control, it will render the node on the menu and if you click it, you could get an exception stating that a session variable doesn't exist (if it hasn't been created yet). For example, if you're making a user management area: All of these nodes get rendered, but I don't want the user to click on edit user or delete user without specifying someone to edit or delete. Any tips or suggestions would be greatly appreciated.

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  • SFTP in Python? (platform independent)

    - by Mark Wilbur
    I'm working on a simple tool that transfers files to a hard-coded location with the password also hard-coded. I'm a python novice, but thanks to ftplib, it was easy: import ftplib info= ('someuser', 'password') #hard-coded def putfile(file, site, dir, user=(), verbose=True): """ upload a file by ftp to a site/directory login hard-coded, binary transfer """ if verbose: print 'Uploading', file local = open(file, 'rb') remote = ftplib.FTP(site) remote.login(*user) remote.cwd(dir) remote.storbinary('STOR ' + file, local, 1024) remote.quit() local.close() if verbose: print 'Upload done.' if __name__ == '__main__': site = 'somewhere.com' #hard-coded dir = './uploads/' #hard-coded import sys, getpass putfile(sys.argv[1], site, dir, user=info) The problem is that I can't find any library that supports sFTP. What's the normal way to do something like this securely? Edit: Thanks to the answers here, I've gotten it working with Paramiko and this was the syntax. import paramiko host = "THEHOST.com" #hard-coded port = 22 transport = paramiko.Transport((host, port)) password = "THEPASSWORD" #hard-coded username = "THEUSERNAME" #hard-coded transport.connect(username = username, password = password) sftp = paramiko.SFTPClient.from_transport(transport) import sys path = './THETARGETDIRECTORY/' + sys.argv[1] #hard-coded localpath = sys.argv[1] sftp.put(localpath, path) sftp.close() transport.close() print 'Upload done.' Thanks again!

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  • What is the difference between the * and the & operators in c programming?

    - by Wesley
    I am just making sure I understand this concept correctly. With the * operator, I make a new variable, which is allocated a place in memory. So as to not unnecessarily duplicate variables and their values, the & operator is used in passing values to methods and such and it actually points to the original instance of the variable, as opposed to making new copies...Is that right? It is obviously a shallow understanding, but I just want to make sure I am not getting them mixed up. Thanks!

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  • double returning only one precision in java

    - by srinath
    in my code i am performing division on numbers and storing it in a double variable. but the variable is returning with only one precision. i want to increase the precision how could i do that. double x; for ( int i =0 ; i<10000 ; i++) { x= w[i] / l[i]; System.out.println(x); } in the above code w and l are integer arrays; i am getting output like 3.0 0.0 1.0 0.0 i want to increase the precision upto 4 atleast.

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  • Doctrine YAML not generating correctly? Or is this markup wrong?

    - by ropstah
    I'm trying to get a many-to-many relationship between Users and Settings. The models seem to be generated correctly, however the following query fails: "User_Setting" with an alias of "us" in your query does not reference the parent component it is related to. $q = new Doctrine_RawSql(); $q->select('{s.*}, {us.*}') ->from('User u CROSS JOIN Setting s LEFT JOIN User_Setting us ON us.usr_auto_key = u.usr_auto_key AND us.set_auto_key = s.set_auto_key') ->addComponent('s', 'Setting s INDEXBY s.set_auto_key') ->addComponent('us', 'User_Setting us') ->where(u.usr_auto_key = ?',$this->usr_auto_key); $this->settings = $q->execute(); Does anyone spot a problem? This is my YAML: User: connection: default tableName: User columns: usr_auto_key: type: integer(4) fixed: false unsigned: false primary: true autoincrement: true notnull: true email: type: string(100) fixed: false unsigned: false primary: false default: '' notnull: true autoincrement: false password: type: string(32) fixed: false unsigned: false primary: false default: '' notnull: true autoincrement: false relations: Setting: class: Setting foreignAlias: User refClass: User_Setting local: usr_auto_key foreign: set_auto_key Setting: connection: default tableName: Setting columns: set_auto_key: type: integer(4) fixed: false unsigned: false primary: true autoincrement: true notnull: true name: type: string(50) fixed: false unsigned: false primary: false notnull: true autoincrement: false User_Setting: connection: default tableName: User_Setting columns: usr_auto_key: type: integer(4) fixed: false unsigned: false primary: true autoincrement: false notnull: true set_auto_key: type: integer(4) fixed: false unsigned: false primary: true autoincrement: false notnull: true value: type: string(255) fixed: false unsigned: false primary: false notnull: true autoincrement: false relations: Setting: foreignAlias: User_Setting local: set_auto_key foreign: set_auto_key User: foreignAlias: User_Setting local: usr_auto_key foreign: usr_auto_key

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  • Using cachedwithin attibute inside cfquery

    - by Jason
    When you use the cachedwithin attribute in a cfquery how does it store the query in memory. Does it store it by only the name you assign to the query? For example, if on my index page I cache a query for an hour and name it getPeople will a query with the same name on a different page (or the same page for that matter) use the cached results or does it use some better logic to decide if it is the same query? Also, if there is a variable in your query does the cache take into account the value of the variable?

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  • Can't INSERT INTO SELECT into a table with identity column

    - by Eran Goldin
    In SQL server, I'm using a table variable and when done manipulating it I want to insert its values into a real table that has an identity column which is also the PK. The table variable I'm making has two columns; the physical table has four, the first of which is the identity column, an integer IK. The data types for the columns I want to insert are the same as the target columns' data types. INSERT INTO [dbo].[Message] ([Name], [Type]) SELECT DISTINCT [Code],[MessageType] FROM @TempTableVariable END This fails with Cannot insert duplicate key row in object 'dbo.Message' with unique index 'IX_Message_Id'. The duplicate key value is (ApplicationSelection). But when trying to insert just Values (...) it works ok. How do I get it right?

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  • cant get values printed in to a file

    - by user1371896
    Iam trying to pass the value stored in the variable fieldCSV to file data.csv...Ive used javascript and php to do this.. I have triggered an ajax request when a value is stored in to the variable fieldCSV, bt this is nt working as the file that gets downloaded prints the php error inside it instead of csv.. $.ajax({ type: "POST", url: "/test/fileDownload.php", data: { name: fieldCSV}, }); <?php $name = $_POST["name"]; header('Content-Type: text/csv; charset=utf-8'); header('Content-Disposition: attachment; filename=data.csv'); $output = fopen('php://output', 'w'); fputcsv($output, $name); ?> What am I doing wrong?

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  • load data from external file jQuery

    - by bah
    Hi, I need to take data from external file and format it, the problem is, i want to have that data stored into a variable. Load method works for me, because i need to load not the whole document, but just a part of it, but then again, i want to load to variable and not to some dom element. $.get can do this, but it doesn't support selectors. Is there any way I could make this? Now examples: Mine external file consists of a table, which has format like this: <table><tr><td><img /></td></tr><tr><td><a></a></td><td><span></span></td></tr></table> I need to extract img, a and span tags because I need them to be displayed in different order than they're now. So, is there any chance for me that i could make this work? Thanks.

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  • Is there a way to customise messages produced by statements in MS SQL Query Analyzer?

    - by Scott Leis
    If I run a simple query in SQL Query Analyzer, like: SELECT * FROM TableName the Messages pane always produces a message like: (30 row(s) affected) If I run a stored procedure with many statements, the messages are useless because there's no indication of what each one relates to. So firstly: Is there a way to customise the default messages on a per-query basis? E.g. I'd like a specific query to produce a message like: TableName query produced [numRowsAffected] results. replacing [numRowsAffected] with the number that would have appeared in the default message. Secondly, is there a way to suppress the default messages on a per-query basis? E.g. I have a local variable of type TABLE, used in several statements. I don't want any message to appear for statements where I'm just deleting data from that variable before re-using it. I'm seeking solutions that work in SQL Server 8.0.

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  • Splitting string into array upon token

    - by Gnutt
    I'm writing a script to perform an offsite rsync backup, and whenever the rsyncline recieves some output it goes into a single variable. I then want to split that variable into an array upon the ^M token, so that I can send them to two different logger-sessions (so I get them on seperate lines in the log). My current line to perform the rsync result=rsync --del -az -e "ssh -i $cert" $source $destination 2>&1 Result in the log, when the server is unavailable ssh: connect to host offsite port 22: Connection timed out^M rsync: connection unexpectedly closed (0 bytes received so far) [sender] rsync error: unexplained error (code 255) at io.c(601) [sender=3.0.7]

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  • Hide Adsense on localhost

    - by collimarco
    I have a site built in Ruby On Rails which has many ads in different templates and views. It is hard to actualy remove each ad between tests and deployments. I don't know whether Google approves many impressions (even if without clicks) on localhost. How do you deal with this issue? Maybe it is a good solution to set a variable/constant available everywere to enable/disable ads easily. Do you think it is a good solution? If so, how do I declare a global variable for views?

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  • didSelectRowAtIndexPath being called after viewDidLoad of the called view

    - by Serguei Fedorov
    I am trying to pass variables over to the new view. I have the following code: appDelegate *dataCenter = (AppDelegate*)[[UIApplication sharedApplication] delegate]; dataCenter.myVariable = [array objectAtIndex:indexPath.row]; in the didSelectRowAtIndexPath of the calling view. However, the issue that I have is that this variable is empty in the vewDidLoad function of the next view, simply because it fired off BEFORE the didSelectRowAtIndexPath of the calling view. I am using storyboard to link the views together. Both are UITableView. If I hit back and then reselect the table element it is then set, granted that by the time I hit back and then selected again, the variable got set. Is there any way to for the order of execution? I really don't want to do UI view switching on the back end. Any help is greatly appreciated!

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  • User to be validated against nested security groups in Windows.

    - by user412272
    Hi, This is my first post here and after much looking around I have come here with my question. Will really appreciate a fast response. I am faced with a problem to validate user credentials of the currently logged on user against a group in Windows. The user membership to a group can be through other groups also ie nested membership. Eg. User U is a part of group G1. Group G1 is a part of another group G2. The requirement is that when the user is validated against group G2, the validations should succeed. The user can be a local or AD user but the group will always be a local group ( or domain local group if created directly on a DC). I have tried using WindowsPrincipal.IsInRole() method, but it seems to be checking only for direct membership to a group. I also tried UserPrincipal.GetAuthorizationGroups() for the current user, but it also doesnt seem to be doing recursive search. I am posting a code snippet of the working code below, but this code is taking much more than acceptable time. bool CheckUserPermissions(string groupName) { WindowsIdentity currentUserIdentity = System.Security.Principal.WindowsIdentity.GetCurrent(); bool found = false; PrincipalContext context= new PrincipalContext(ContextType.Machine); GroupPrincipal group = GroupPrincipal.FindByIdentity(context, IdentityType.Name, groupName); if (group!= null) { foreach (Principal p in group.GetMembers(true)) { if (p.Sid == currentUserIdentity.User) { found = true; break; } } group.Dispose(); } return found; }

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