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  • Copy files where lastwritetime -ge 3/26/2010 9:00pm with Powershell

    - by Emo
    I need to copy files in one directory to another directory where the lastwritetime is greater than or equal to 3/26/2010 9:00pm. I'm using: Get-ChildItem C:\pstest\hlstore\folder1\data | where-object {$i.lastwritetime -ge “3/26/2010 9:00 PM”} | Copy-Item -destination c:\pstest\hlstore2\folder1\data But nothing happens... Any help would be greatly appreciated. Thanks! Emo

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  • Library to work with date expressions in C#?

    - by ObligatoryMoniker
    What library can I use to calculate dates based on date expressions? A date expression would be something like: "+3D" (plus three days) "-1W" (minus one week) "-2Y+2D+1M" (minus 2 years, plus one day, plus one month) Example: DateTime EstimatedArrivalDate = CalcDate("+3D", DateTime.Now); Where estimated arrival date would equal the current date plus 3 days. I have heard about JodaTime and NodaTime but I have not seen anything in them yet that does this. What should I be using to get this functionality in C#?

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  • General advice and guidelines on how to properly override object.GetHashCode()

    - by Svish
    According to MSDN, a hash function must have the following properties: If two objects compare as equal, the GetHashCode method for each object must return the same value. However, if two objects do not compare as equal, the GetHashCode methods for the two object do not have to return different values. The GetHashCode method for an object must consistently return the same hash code as long as there is no modification to the object state that determines the return value of the object's Equals method. Note that this is true only for the current execution of an application, and that a different hash code can be returned if the application is run again. For the best performance, a hash function must generate a random distribution for all input. I keep finding myself in the following scenario: I have created a class, implemented IEquatable<T> and overridden object.Equals(object). MSDN states that: Types that override Equals must also override GetHashCode ; otherwise, Hashtable might not work correctly. And then it usually stops up a bit for me. Because, how do you properly override object.GetHashCode()? Never really know where to start, and it seems to be a lot of pitfalls. Here at StackOverflow, there are quite a few questions related to GetHashCode overriding, but most of them seems to be on quite particular cases and specific issues. So, therefore I would like to get a good compilation here. An overview with general advice and guidelines. What to do, what not to do, common pitfalls, where to start, etc. I would like it to be especially directed at C#, but I would think it will work kind of the same way for other .NET languages as well(?). I think maybe the best way is to create one answer per topic with a quick and short answer first (close to one-liner if at all possible), then maybe some more information and end with related questions, discussions, blog posts, etc., if there are any. I can then create one post as the accepted answer (to get it on top) with just a "table of contents". Try to keep it short and concise. And don't just link to other questions and blog posts. Try to take the essence of them and then rather link to source (especially since the source could disappear. Also, please try to edit and improve answers instead of created lots of very similar ones. I am not a very good technical writer, but I will at least try to format answers so they look alike, create the table of contents, etc. I will also try to search up some of the related questions here at SO that answers parts of these and maybe pull out the essence of the ones I can manage. But since I am not very stable on this topic, I will try to stay away for the most part :p

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  • Dijstra shortest path algorithm with edge cost.

    - by Svisstack
    Hello, I have a directed, positive weighted graph. Each edge have a cost of use. I have only A money, i want to calculate shortest paths with dijkstra algorithm, but sum of edges costs on route must be less or equal to A. I want to do this with most smallest Dijstra modification (if I can do it with small modification of Dijkstra). Anyone can help me with this?

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  • C# converting string to hex and XOR on Hex numbers

    - by Scott's Oasys
    Im tring to do an XOR on 2 hex numbers to create a unique hex number ex. 7F4 ^ 65D which would equal 1A9 I understand how the XOR should work but every time I try to convert the string hex number: string hex1 = "7F4"; int hexInt = Convert.ToInt32(hex1, 16); I end up with a number: 2036 How do I keep the integrity of the hex number so I can do an XOR on the 2 hex numbers?

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  • Adding multiple vectors in R

    - by Elais
    I have a problem where I have to add thirty-three integer vectors of equal length from a dataset in R. I know the simple solution would be Vector1 + Vector2 + Vector3 +VectorN But I am sure there is a way to code this. Also some vectors have NA in place of integers so I need a way to skip those. I know this may be very basic but I am new to this.

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  • mysql max function usage

    - by Simon
    the table videos has the folowing feels id,average,name how can i write the query, to select the name of video, which have the max average!!! i can do that vith two queries, by selecting the max(avege) from the table, and then find out the name, where ihe average equal to max!!! but i want to do that in one query!!! help me please!!!

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  • Set default form textfield value (webbrowser control/DOM Javscript)

    - by Khou
    Hi I would like my application to load a webpage and set default the form textfield value a predefine value. Requirements: -The application is a windows form, it is to use the web browser control, to load a web page. -Textfield values are define by within the application. -When textfield on the webpage matches the applications predefined elements, the predefine fixed value is set and can not be changed by the end user. Example If my application defines element "FirstName" equal to value "John", the text field for value for element "FirstName" will always equal "John" and this value can not be changed by the end user. Below is html/javascript code to perform this functionality, now how do I implement this in a windows form? (without having to modify the loaded webpage source code (if possible). HTML <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>page title</title> <script script type="text/javascript" src="demo1.js"></script> </head> <body onload="def(document.someform, 'name', 'my default name value');"> <h2 style="color: #8e9182">test form title</h2> <form name="someform" id="someform_frm" action="#"> <table cellspacing="1"> <tr><td><label for="name">NameX: </label></td><td><input type="text" size="30" maxlength="155" name="name" onchange="def(document.someform, 'name', 'my default name value');"></td></tr> <tr><td><label for="name2">NameY: </label></td><td><input type="text" size="30" maxlength="155" name="name2"></td></tr> <tr><td colspan="2"><input type="button" name="submit" value="Submit" onclick="showFormData(this.form);" ></td></table> </form> </body> </html> JAVASCRIPT function def(oForm, element_name, def_txt) { oForm.elements[element_name].value = def_txt; }

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  • Polled I/O on MIPS

    - by Krewie
    Hello , i'm currently implementing a calculator in MIPS which uses the polled I/O method for fetching information. I put a beq $v0, 120, exit # exit if input = ('x') on the main part of the code to tell that whenever something is fetched is equal to x, it should branch the exit function. The only problem is that my code works fine with the keyboard/display simulator on MARS but i get the interrupt exception 6 on SPIM. Why is this happening and how can i help it ? //Thx in advance

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  • Add a wall post to a page or application wall as page or application with facebook graph API

    - by blauesocke
    Hi, I wan't to create a new wall post on a appliaction page or a "normal" page with the facebook graph API. Is there a way to "post as page"? With the old REST-API it worked like this: $facebook->api_client->stream_publish($message, NULL, $links, $targetPageId, $asPageId); So, if I passed equal IDs for $targetPageId and $asPageId I was able to post a "real" wall post not caused by my own facebook account. Thanks!

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  • Need help with my report (rdlc)

    - by salhzmzm
    Hi In my report there is a table and a line. the table is showing rows of data from my DB. I want to know how you could make the table size commensurate with the line (make the length of the line is equal to the length of the table) I set the property "RepeatWith" in the line properties to the table in my report, but this isn't working because this will only work if the data region spans multiple pages. How I can do that? Thanks in Adv

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  • HTML email: tables or divs?

    - by j-man86
    Does the HTML/CSS for an html email newsletter need to be in table format, or can I use DIVs with equal assurance it will display well cross email-client? I've downloaded a number of templates to see how they're done, upon which to base my own, and they all seem to use tables. Any insight much appreciated, thanks!

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  • Midi Message need help

    - by Rinaldi
    hello sir.. i need your help Sir.. how to interpret dwParam1 from delegate midiInProc into midi status message like note-off, or note-on, control change.. because as long i try dwParam1 is 254, and is not equal to note-off or else...

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  • Check how much a String sounds like another one in Java

    - by Llistes Sugra
    I'd like to know if there is any class in Java able to check, using its own criteria, how much a String is equal to another one. Example : William Shakespeare / William Shakespeare : might be 100% William Shakespe*a*re / William Shakespe*e*re : might have above 90% William Shakespeare / Shakespeare, William : might have above 70% (just examples)

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  • it means quick-select algorithm?

    - by matin1234
    Hi, I have a question from my homework. I think my teacher needs an algorithm like quick select for this question is this correct? The question: Following a program (Subroutine) as a "black box" is given (for example, inside it is not clear and we do not even inside it) with the worst case linear time, can find the middle of n elements. Using this black box, get a simple linear algorithm that takes input i and find the element which its rank is equal to i (among the n elements) Thanks.

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  • Set default form textfield value (webbrowser control)

    - by Khou
    Hi I would like my application to load a webpage and set default the form textfield value a predefine value. Requirements: -The application is a windows form, it is to use the web browser control, to load a web page. -Textfield values are define by within the application. -When textfield on the webpage matches the applications predefined elements, the predefine fixed value is set and can not be changed by the end user. Example If my application defines element "FirstName" equal to value "John", the text field for value for element "FirstName" will always equal "John" and this value can not be changed by the end user. Below is html/javascript code to perform this functionality, now how do I implement this in a windows form? (without having to modify the loaded webpage source code (if possible). HTML <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>page title</title> <script script type="text/javascript" src="demo1.js"></script> </head> <body onload="def(document.someform, 'name', 'my default name value');"> <h2 style="color: #8e9182">test form title</h2> <form name="someform" id="someform_frm" action="#"> <table cellspacing="1"> <tr><td><label for="name">NameX: </label></td><td><input type="text" size="30" maxlength="155" name="name" onchange="def(document.someform, 'name', 'my default name value');"></td></tr> <tr><td><label for="name2">NameY: </label></td><td><input type="text" size="30" maxlength="155" name="name2"></td></tr> <tr><td colspan="2"><input type="button" name="submit" value="Submit" onclick="showFormData(this.form);" ></td></table> </form> </body> </html> JAVASCRIPT function def(oForm, element_name, def_txt) { oForm.elements[element_name].value = def_txt; }

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  • grep_replace: unknown modifier

    - by tic
    Let assume that $body is equal to something that does not interest me <!-- start --> some html code <!-- end --> something that does not interest me If I use $body=preg_replace("(.*)<!-- start -->(.*)<!-- end -->(.*)","$2",$body); I obtain: Warning: preg_replace() [function.preg-replace]: Unknown modifier '<' How have I to correct?

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  • Sort a data grid based on a specified column.

    - by o vamsi krishna
    Developed a winform project using VB 2008. I'm using a .xls sheet as source. My appln has 7 columns and unspecified rows. I want to sort all the columns based on a specified column and allot a serial number as per the sorted order. If two items in the specified column are same we should consider another column for the equal items and sort them in that order. plz help me in this issue.

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  • ActionScript Comparing Arrays

    - by TheDarkIn1978
    how can i evaluate whether my test array is equal to my static constant DEFAULT_ARRAY? shouldn't my output be returning true? public class myClass extends Sprite { private static const DEFAULT_ARRAY:Array = new Array(1, 2, 3); public function myClass() { var test:Array = new Array(1, 2, 3); trace (test == DEFAULT_ARRAY); } //traces false

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  • ActiveRecord + CodeIgniter - Return single value from query, not in array form.

    - by txmail
    Say you construct an activerecord query that will always just return a single value, how do you just address that single value instead of getting an array in return? For instance I am using an ActiveRecord query to return the SUM of a single column, it will only return this one single SUM, instead of having to parse the array is there a way to assign the value as a function return equal to that value instead of getting an array?

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  • Delphi, how to make independent windows

    - by Roy M Klever
    I have an application that uses tabs like the Chrome browser. Now I want to be able to open more forms and not be limited to only one form. These forms should act the same but if I close main form all forms are closed. How can I make all forms be equal, so no matter which form I close it only closes that form and not exit application before all forms are closed? Any ideas? Kind Regards Roy M Klever

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  • C# - Winforms webBrowser

    - by user335932
    How can i pass the URL property in web browser into an if statement.... private void button2_Click(object sender, EventArgs e) { var GameStats = comboBox1.Text; if (GameStats == "BattleField: Bad Company 2") { //Make URL equal to http://statsverse.com/ } }

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