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  • Is it possible to use array_shift() in PHP and get the key?

    - by alex
    I have a list of files in an array where the filename is the key and the value is the last modified date in seconds. They are sorted from oldest to newest. The files are glob()'d in, and then sorted this way using asort($fileNameToLastModified, SORT_NUMERIC); I use array_shift() to get the oldest file. Unfortunately, it seems to be giving me the value, and there doesn't seem to be a way to get the key. Would the only way to do that be something like this? $keys = array_keys($fileNameToLastModified); $oldest = array_shift($keys); array_shift($fileNameToLastModified); // to manually chop the first array member off too. Or is there a built in? Thanks

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  • Silverlight HeaderStyle Broken?

    - by zburns
    Why does this not render correctly? <sdk:DataGrid AutoGenerateColumns="False" Height="438" HorizontalAlignment="Left" Margin="12,183,0,0" Name="dataGridWorkingGrid" VerticalAlignment="Top" Width="856" ClipboardCopyMode="IncludeHeader" CanUserReorderColumns="False" CanUserResizeColumns="False"> <sdk:DataGrid.Columns> <sdk:DataGridTextColumn CanUserReorder="True" CanUserResize="True" CanUserSort="True" Header="BatchID" IsReadOnly="True" Visibility="Collapsed" Width="Auto" Binding="{Binding BatchID}"/> <sdk:DataGridTextColumn CanUserReorder="True" CanUserResize="True" CanUserSort="True" Header="Transaction Date" IsReadOnly="True" Width="100" Binding="{Binding TransactionDate, StringFormat='MM/dd/yyyy'}"> <sdk:DataGridTextColumn.HeaderStyle> <Style TargetType="TextBlock"> <Setter Property="TextWrapping" Value="Wrap"/> </Style> </sdk:DataGridTextColumn.HeaderStyle> </sdk:DataGridTextColumn> <sdk:DataGridTextColumn CanUserReorder="True" CanUserResize="True" CanUserSort="True" Header="Merchant Name" IsReadOnly="True" Width="200" Binding="{Binding MerchantName}"/> </sdk:DataGrid.Columns> </sdk:DataGrid>

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  • Mapping one to one foreign key relationships in Entity Framework 4.0?

    - by John K.
    Hello all, I'm sure I'm missing something very simple, but let's say I have two entities, Employee and EmployeeType. Employee type would contain values like 'Full time', 'Contractor', 'Intern', etc. An Employee entity would contain one, and only one EmployeeType value. So I am designing a new .edmx model using the Model-First approach and generating my actual sql server data schema from the model. I want to add an integer type foreign key id into my Employee entity, EmployeeTypeId, which will map to the primary key of the EmployeeType entity. So I've gone ahead and done that in my Employee entity. Where I'm stuck is how, though the Entity Framework designer, to enforce the 1:1 referential constraint on that EmployeeTypeId property? Or does the EF handle that automatically behind the scenes? thanks in advance, John

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  • MSCRYPTO: How to import RSA key from pkcs#12 into Microsoft Enhanced RSA and AES CSP?

    - by lsh123
    According to the MSDN (http://msdn.microsoft.com/en-us/library/aa387314%28v=VS.85%29.aspx) the PFXImportCertStore function imports the cert/key into Base CSP (MS_STRONG_PROV) or Enhanced CSP (MS_ENHANCED_PROV). However, to use RSA/SHA2 signatures, I need to import the key into the Enhanced RSA and AES CSP (MS_ENH_RSA_AES_PROV) and I can't find a way to do it. The documentation mentions "provider name" from the PFX packet, but I can't find any way to set it for a pkcs12 file generated by a 3rd party (e.g. OpenSSL). Thank you in advance.

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  • Perl : how to interrupt/resume loop by user hitting a key?

    - by Michael Mao
    Hi all: This is for debugging purpose. I've got a for loop that generates some output to Cygwin bash's CLI. I know that I can redirect outputs to text files and use Perl or even just a normal text editor to inspect the values printed out for a particular iteration, just feel that a bit painful. What I am now thinking is, to place a special subroutine inside the for loop, so that it would be "interrupted" at the beginning of each iteration, and Perl script should only resume to run after user/programmer hits a key(the Enter Key from keyboard?) In this way I can directly inspect the values printed out during each iteration. Is there a simple way to do this, without using additional libraries/CPAN ? Many thanks to the hints/suggestions in advance.

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  • C#: Replicating keyboard shortcuts in textbox, how do I prevent the beep sound caused by alt key pre

    - by Michael Johnson
    I'm creating a routine that allows the user to replicate keyboard shortcuts into a textbox for 'custom keyboard shortcuts' customization, but everytime the alt key is pressed with another letter, it produces another sound. I'm capturing the keys in the textbox_keydown event to parse the modifiers + other keys into a readable Shift + A or Ctrl + Shift + B manner into that very same textbox. Should I be doing this in a different event like textbox_previewkey instead of textbox_keydown? How can I prevent the alt modifier key + a letter or number causing the Beep sound? the textbox is just a normal .net 3.5 textbox with the only edited properties of it being the ReadOnly property to false. Is there a better way I could re-do this? I'm currently just checking that if any modifiers keys are pressed and then + a-z or 0-9, then to go ahead and input the appropriately pressed keys into that same textbox like Shift + A or Ctrl + Shift + Y.

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  • Mysql 'On Duplicate Key INSERT .... SELECT...'

    - by calumbrodie
    Hi, I'm looking for a way to do the following in mysql. INSERT INTO category (cat_id,sku,description,color) VALUES ('$cat_id','$sku','$description','$color') ON DUPLICATE KEY UPDATE description=$description" this works fine... but I want something further to happen if there is a duplicate key. I want to copy a row from the 'product' table to the 'categorized_products'... AND INSERT categorized_products (a,b,c) SELECT a,b,c FROM products WHERE products.cat = '$cat_id' is there a way to do the INSERT...SELECT as part of the first query or do I need to evaluate the above with mysql_affected_rows ( 1 is updated and == 1 is inserted) and then run my second query. Obviously the above will work but means another query and more LOC. Thanks!

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  • SQL help - find the table that has 'somefieldId' as the primary key?

    - by Kettenbach
    Hello All, How can I search my sql database for a table that contains a field 'tiEntityId'. This field is referenced in a stored procedure, but I am unable to identify which table this id is a primary key for? Any suggestions? I currently look through stored procedure definitions for references to text by using something like this Declare @Search varchar(255) SET @Search='[10.10.100.50]' SELECT DISTINCT o.name AS Object_Name,o.type_desc FROM sys.sql_modules m INNER JOIN sys.objects o ON m.object_id=o.object_id WHERE m.definition Like '%'+@Search+'%' ORDER BY 2,1 Any SQL guru's out there know what I need to use to find the table that contains the field, 'preferably the table where that field is the Primary Key. Thanks so much for any tips. Cheers, ~ck in San Diego

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  • Is it possible to invoke NSDictionary's valueForKeyPath: when a key contains periods?

    - by Jonukas
    I'm trying to get the value of the repeatInterval key in the com.apple.scheduler plist. I'd like to just use NSDictionary's valueForKeyPath: method like so: CFPropertyListRef value; value = CFPreferencesCopyValue(CFSTR("AbsoluteSchedule"), CFSTR("com.apple.scheduler"), kCFPreferencesCurrentUser, kCFPreferencesCurrentHost); NSNumber *repeatInterval = [(NSDictionary *)value valueForKeyPath:@"com.apple.SoftwareUpdate.SUCheckSchedulerTag.Timer.repeatInterval"]; But the problem with this is that the first key is really "com.apple.SoftwareUpdate", not just "com". I can get around this by getting that first value separately: NSDictionary *dict = [(NSDictionary *)value valueForKey:@"com.apple.SoftwareUpdate"]; NSNumber *repeatInterval = [dict valueForKeyPath:@"SUCheckSchedulerTag.Timer.repeatInterval"]; I just wanted to know if there is a way to escape periods in a keypath so I can eliminate this extra step.

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  • How to compare if string has a enter key in the end using jquery/javascript?

    - by user144842
    I have a string value from a user input box. I have to figure out if last char is a enter key (line feed). Thats the code. Here I am checking if last char has a whitespace. Now I also have to check if last char is enter key (carriage return or line feed). How can i do this? var txt = $get("<%= txtUserText.ClientID %>"); if (txt.value.substring(txt.value.length -1) !== ' ' || <checkifLastCharIsEnterKey>) //my code to take action **I don't think i need a keypress or keyup event because this above piece of code is not invoked at the time of user input.

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  • How to prevent the beep sound caused by alt key pressed in a WinForms TextBox?

    - by Michael Johnson
    I'm creating a routine that allows the user to replicate keyboard shortcuts into a textbox for 'custom keyboard shortcuts' customization, but every time the alt key is pressed with another letter, it produces another sound. I'm capturing the keys in the textbox_keydown event to parse the modifiers + other keys into a readable Shift + A or Ctrl + Shift + B manner into that very same textbox. Should I be doing this in a different event like textbox_previewkey instead of textbox_keydown? How can I prevent the alt modifier key + a letter or number causing the Beep sound? the textbox is just a normal .net 3.5 textbox with the only edited properties of it being the ReadOnly property to false. Is there a better way I could re-do this? I'm currently just checking that if any modifiers keys are pressed and then + a-z or 0-9, then to go ahead and input the appropriately pressed keys into that same textbox like Shift + A or Ctrl + Shift + Y.

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  • Why does std::map operator[] create an object if the key doesn't exist?

    - by n1ck
    Hi, I'm pretty sure I already saw this question somewhere (comp.lang.c++? Google doesn't seem to find it there either) but a quick search here doesn't seem to find it so here it is: Why does the std::map operator[] create an object if the key doesn't exist? I don't know but for me this seems counter-intuitive if you compare to most other operator[] (like std::vector) where if you use it you must be sure that the index exists. I'm wondering what's the rationale for implementing this behavior in std::map. Like I said wouldn't it be more intuitive to act more like an index in a vector and crash (well undefined behavior I guess) when accessed with an invalid key? Refining my question after seeing the answers: Ok so far I got a lot of answers saying basically it's cheap so why not or things similar. I totally agree with that but why not use a dedicated function for that (I think one of the comment said that in java there is no operator[] and the function is called put)? My point is why doesn't map operator[] work like a vector? If I use operator[] on an out of range index on a vector I wouldn't like it to insert an element even if it was cheap because that probably mean an error in my code. My point is why isn't it the same thing with map. I mean, for me, using operator[] on a map would mean: i know this key already exist (for whatever reason, i just inserted it, I have redundancy somewhere, whatever). I think it would be more intuitive that way. That said what are the advantage of doing the current behavior with operator[] (and only for that, I agree that a function with the current behavior should be there, just not operator[])? Maybe it give clearer code that way? I don't know. Another answer was that it already existed that way so why not keep it but then, probably when they (the ones before stl) choose to implement it that way they found it provided an advantage or something? So my question is basically: why choose to implement it that way, meaning a somewhat lack of consistency with other operator[]. What benefit do it give? Thanks

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  • Android on TabHost little more depth of the problem, there is the hard return key on the treatment.

    - by user365723
    Hello everybody, I have a question on the Android Activity, for example I have a TabHost, and there are included four Activities, the first tab is a search Activity, enter a keyword in the current result of this Activity to return, and in the current Activity display. Is called to display the search results themselves. And after searching several times, and then return to key mobile phone keypad, the display is the result of the last search keyword, I want the press back key to return to the last call of the Activity or TabHost. Should I do? By the way, in a tab in the use of Intent calls a Activity, eg: host.addTab (host.newTabSpec ("friend"). setIndicator ("search") . SetContent (new Intent (this, Search.class))); In this Activity in the need to call another Activity, e.g: startActivity (new Intent (this, Other.class)); Also called another Activity displayed on this tab, but not yet jump out of the show. I ask how you can achieve this?

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  • SSL: can the secret key be sniffed before the actual encryption begins?

    - by Jorre
    I was looking into SSL and some of the steps that are involved to set up an encrypted connection between a server and a client computer. I understand that a server key and certificate is sent to the browser, and that a secret code is being calculated, like they say in the following video: http://www.youtube.com/watch?v=iQsKdtjwtYI around 5:22, they talk about a master secret code that is being calculated to start talking in an encrypted way. My question now is: before the connection is actually encrypted (the handshake phase), all communication between the server and the client can be sniffed by a packet sniffer. Isn't it then possible to sniff the encryption key or other data that is used to set up a secure connection?

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  • sqlalchemy: what is the difference between declaring the cascade within the foreign key vs relation?

    - by steve
    what is the difference between declaring the cascade within a foreign key vs relations? class Contact(Base): __tablename__ = 'contacts' id = Column(Integer, primary_key=True) addresses = relation("Address", backref="contact") class Address(Base): __tablename__ = 'addresses' id = Column(Integer, primary_key=True) contact_id = Column(Integer, ForeignKey('contact.id', onupdate="CASCADE", ondelete="CASCADE"))) vs class Contact(Base): __tablename__ = 'contacts' id = Column(Integer, primary_key=True) addresses = relation("Address", backref="contact", cascade="all, delete-orphan") class Address(Base): __tablename__ = 'addresses' id = Column(Integer, primary_key=True) contact_id = Column(Integer, ForeignKey('contact.id')) with the foreign key declaration, it seems like the cascade is enforced at the database level. how does the relations approach work? thanks!

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  • Bind Icon depending on Enum in WPF Treeview

    - by phenevo
    Hi, I have at treeeview TextBox, and I want convert my Enum: <TextBlock TextAlignment="Justify" VerticalAlignment="Center" Text="{Binding Path=AcceptationStatusGlobalFlag}" /> public enum AcceptationStatusGlobalFlag { NotReady = 0, Ready = 1, AcceptedByAdmin=2 } To Icons. There will be 3 icons, let say ready.jpg, notready.jpg and AcceptedByAdmin.jpg Country and Region has pool AcceptationStatusGlobalFlag and on both I want to display this enum/Icon <TreeView Name="structureTree" SelectedItemChanged="structureTree_SelectedItemChanged" Grid.Row="0" Grid.Column="0" ItemsSource="{Binding}" Height="413" ScrollViewer.VerticalScrollBarVisibility="Visible" ScrollViewer.HorizontalScrollBarVisibility="Visible" Width="Auto" PreviewMouseRightButtonUp="structureTree_PreviewMouseRightButtonUp" FontFamily="Verdana" FontSize="12"> <TreeView.Resources> <HierarchicalDataTemplate DataType="{x:Type ServiceMy:Country}" ItemsSource="{Binding Path=ListOfRegions}"> <StackPanel Orientation="Horizontal"> <TextBlock TextAlignment="Justify" VerticalAlignment="Center" Text="{Binding Path=Name}"/> <TextBlock TextAlignment="Justify" VerticalAlignment="Center" Text=" H:"/> <TextBlock TextAlignment="Justify" VerticalAlignment="Center" Text="{Binding Path=NumberOfHotels}"/> <TextBlock TextAlignment="Justify" VerticalAlignment="Center" Text=" "/> <TextBlock TextAlignment="Justify" VerticalAlignment="Center" Text=" FG:"/> <TextBlock TextAlignment="Justify" VerticalAlignment="Center" Text="{Binding Path=AcceptationStatusGlobalFlag}" /> <!--<Button Name="BTNAddRegion" Height="20" Content="+" Click="BTNAddRegion_Click"></Button>--> </StackPanel> </HierarchicalDataTemplate> <HierarchicalDataTemplate DataType="{x:Type ServiceMy:Region}" ItemsSource="{Binding Path=ListOfProvinces}"> <StackPanel Orientation="Horizontal"> <TextBlock TextAlignment="Justify" VerticalAlignment="Center" Text="{Binding Path=Name}"/> <TextBlock TextAlignment="Justify" VerticalAlignment="Center" Text=" H:"/> <TextBlock TextAlignment="Justify" VerticalAlignment="Center" Text="{Binding Path=NumberOfHotels}"/> <TextBlock TextAlignment="Justify" VerticalAlignment="Center" Text=" "/> <!--<Button Name="BTNAddProvince" Height="20" Content="+" Click="BTNAddProvince_Click"></Button>--> </StackPanel> </DataTemplate> </TreeView.Resources> </TreeView> </GroupBox> </StackPanel> </Grid>

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  • How to use SQL - INSERT...ON DUPLICATE KEY UPDATE?

    - by Probocop
    Hi, I have a script which captures tweets and puts them into a database. I will be running the script on a cronjob and then displaying the tweets on my site from the database to prevent hitting the limit on the twitter API. So I don't want to have duplicate tweets in my database, I understand I can use 'INSERT...ON DUPLICATE KEY UPDATE' to achieve this, but I don't quite understand how to use it. My database structure is as follows. Table - Hash id (auto_increment) tweet user user_url And currently my SQL to insert is as follows: $tweet = $clean_content[0]; $user_url = $clean_uri[0]; $user = $clean_name[0]; $query='INSERT INTO hash (tweet, user, user_url) VALUES ("'.$tweet.'", "'.$user.'", "'.$user_url.'")'; mysql_query($query); How would I correctly use 'INSERT...ON DUPLICATE KEY UPDATE' to insert only if it doesn't exist, and update if it does? Thanks

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  • How to bind value to its parent element value?

    - by KentZhou
    Silverlight provides element to element binding. How to apply it this is case: I have a xaml as below: <TextBlock Text="{Binding ABC}" > <ToolTipService.ToolTip> <local:MyControl Title="{Binding ...}" /> </ToolTipService.ToolTip> </TextBlock> I want to bind MyControl Title to the same data as its parent Textblock Text, but I don't want set x:Name for its parent Textblock. I know there is one solution to bind Title to same data source: <local:MyControl Title="{Binding ABC}" /> This may cause two times to call "{Binding ABC}", with my case, there ValurConverter for this binding. I don't want to use this way.

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  • WCF App using Peer Chat app as example does not work.

    - by splate
    I converted a VB .Net 3.5 app to use peer to peer WCF using the available Microsoft example of the Chat app. I made sure that I copied the app.config file for the sample(modified the names for my app), added the appropriate references. I followed all the tutorials and added the appropriate tags and structure in my app code. Everything runs without any errors, but the clients only get messages from themselves and not from the other clients. The sample chat application does run just fine with multiple clients. The only difference I could find is that the server on the sample is targeting the framework 2.0, but I assume that is wrong and it is building it in at least 3.0 or the System.ServiceModel reference would break. Is there something that has to be registered that the sample is doing behind the scenes or is the sample a special project type? I am confused. My next step is to copy all my classes and logic from my app to the sample app, but that is likely a lot of work. Here is my Client App.config: <client><endpoint name="thldmEndPoint" address="net.p2p://thldmMesh/thldmServer" binding="netPeerTcpBinding" bindingConfiguration="PeerTcpConfig" contract="THLDM_Client.IGameService"></endpoint></client> <bindings><netPeerTcpBinding> <binding name="PeerTcpConfig" port="0"> <security mode="None"></security> <resolver mode="Custom"> <custom address="net.tcp://localhost/thldmServer" binding="netTcpBinding" bindingConfiguration="TcpConfig"></custom> </resolver> </binding></netPeerTcpBinding> <netTcpBinding> <binding name="TcpConfig"> <security mode="None"></security> </binding> </netTcpBinding> </bindings> Here is my server App.config: <services> <service name="System.ServiceModel.PeerResolvers.CustomPeerResolverService"> <host> <baseAddresses> <add baseAddress="net.tcp://localhost/thldmServer"/> </baseAddresses> </host> <endpoint address="net.tcp://localhost/thldmServer" binding="netTcpBinding" bindingConfiguration="TcpConfig" contract="System.ServiceModel.PeerResolvers.IPeerResolverContract"> </endpoint> </service> </services> <bindings> <netTcpBinding> <binding name="TcpConfig"> <security mode="None"></security> </binding> </netTcpBinding> </bindings> Thanks ahead of time.

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  • Does SQL Server Compact not support keywords 'Foreign Key References' in Create Table or am I making a mistake?

    - by johnmortal
    I keep getting errors using Sql Compact. I have seen that it is possible to create table constraints in compact edition as shown here. And according to the documents found here it provides "Full referential integrity with cascading deletes and updates". So am I really not allowed to do the following or am I making a mistake? I keep getting complaints from sql server compact edition that the constaint is not valid, though it works fine on express edition. CREATE TABLE [A] (AKey int NOT NULL PRIMARY KEY); CREATE TABLE [B] (AKey int NOT NULL FOREIGN KEY REFERENCES A(AKey));

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