Haskell Convert List to List of Tuples
- by peterwkc
Hello, i have a list like this
["peter","1000","michell","2000","kelly","3000"]
and i would like to convert to
[("peter",1000),("michell", 2000),("kelly",3000)]
Please help.
Thanks.
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Getting the name of a Clojure struct type?
- by j-g-faustus
When defining a struct type and instance, I can print the value and get the "struct" implementation type: (defstruct person :name :age) (def p (struct person "peter" 30)) user=> p {:name "peter", :age 30} user=> (type p) clojure.lang.PersistentStructMap But is it possible to tell whether p is an instance of the struct type "person"?Read the article
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How to do a join that removes values?
- by Georg
Customers Holidays id | name customer_id | start | end ---+------ ------------+--------+------ 1 | Peter 1 | 5 | 10 2 | Simon 1 | 15 | 20 3 | Mary 2 | 5 | 20 How should my SQL query look that out of start=11,end=14 I get these…Read the article
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How to write the content of a dictionary to a text file?
- by codemonkie
I have a dictionary object of type Dictionary and trying to use StreamWriter to output the entire content to a text file but failed to find the correct method from the Dictionary class. using (StreamWriter sw = new StreamWriter("myfile.txt")) { sw.WriteLine(dictionary.First()); } I can only retrieve the…Read the article
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How to get array with clear data from Active Record query without using map
- by Suborx
Hi I would like to ask if its possible get array with clear data from ActiveRecord query without using map, collect or each. names = User.find(:all, :select => "name") return names == [#<User name:"Peter">,#<User name:"Martin">] and I want names == ["Peter", "Martin"] without using map, collect or each. Thanks for…Read the article
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Is there a special character in mySql that would return always true in WHERE clauses?
- by rm.
Is there a character, say, $, SELECT * FROM Persons WHERE firstName='Peter' AND areaCode=$; such that the statement would return the same as SELECT * FROM Persons WHERE firstName='Peter' i.e. areaCode=$ would always return always true and, thus, effectively “turns of” the criteria areaCode=... I’m writing a VBA code in Excel…Read the article
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Java delimiter reader
- by newbieprogrammer
I have a colon-delimited text file containing grouped, related data. The People group contains people's names followed by their ages, separated by colons. How can I parse the text and group people according to their ages? The structure is as follows: Group.txt Age:10:20:30:40: Group:G1:10:G2:30:G3:20:G4:40:…Read the article
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JQuery.ajax(): Problem with parameter data when consuming a WCF Service
- by Torben H.
Hello, I'm using JQuery to consume a WCF Service. Actually this works fine: var para = ' { "Parameter" : { "ID" : "5", "Name" : "Peter" } }' $.ajax({ type: "POST", contentType: "application/json", data: para, url: url success: success }); But I don't want to pass the data parameter as…Read the article
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Prepared transactions with Postgres 8.4.3 on CentOS
- by peter
I have set 'max_prepared_transactions' to 20 in the local postgres.config and yet the transaction fails with the following error trace (but only on Linux). Since in Windows the same code works seamlessly I am wandering if this isn't an issue of permission. What would be the solution? Thanks Peter …Read the article
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Binding Data to DataGridView in VB.Net
- by Peter
Hi, I have a bit of code which loads data from a stored procedure in MS SQL Server and then loads the data to a datagridview, which works fine. What i want is for the code that connects / loads the data to sit in my Database Class and then everything associated with the datagridview to be stored…Read the article
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I want to merge two PostScript Documents, pagewise. How?
- by Peter Miehle
hello, i have a tricky question, so i need to describe my problem: i need to print 2-sided booklets (a third of a paper) on normal paper (german A4, but letter is okay also) and cut the paper afterwards. The Pages are in a Postscript Level 2 File (generated by an ancient printer driver, so no…Read the article
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Problem with NSUserDefaults and deallocated Instance
- by Peter A
Hi, I'm having a problem with NSUserDefaults. I've followed the steps in the books as closely as I can for my app, but still get the same problem. I am getting a *** -[NSUserDefaults integerForKey:]: message sent to deallocated instance 0x3b375a0 error when I try and load in the…Read the article
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Exclude string from wildcard in bash
- by Peter O'Doherty
Hi, I'm trying to adapt a bash script from "Sams' Teach Yourself Linux in 24 Hours" which is a safe delete command called rmv. The files are removed by calling rmv -d file1 file2 etc. In the original script a max of 4 files can by removed using the variables $1 $2 $3 $4. I want to…Read the article
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Dynamic Google Maps API InfoWindow HTML Content
- by Peter Hanneman
I am working in Flash Builder 4 with Google Map's ActionScript API. I have created a map, loaded some custom markers onto it and added some MouseEvent listeners to each marker. The trouble comes when I load an InfoWindow panel. I want to dynamically set the htmlContent based…Read the article
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Looking for merge tool with very good in-line-comparison support
- by peter p
I have seen this topic discussed several times, but emphasis is on "very good in-line-comparison" here, which was not really covered by those threads. E.g. I would like the tool to recognize and highlight that the resource "colorpicker_newstring" has been added when comparing…Read the article
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php scandir --> search for files/directories
- by Peter
Hi! I searched before I ask, without lucky.. I looking for a simple script for myself, which I can search for files/folders. Found this code snippet in the php manual (I think I need this), but it is not work for me. "Was looking for a simple way to search for a…Read the article
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Problems saving a photo to a file
- by Peter vdL
Man, I am still not able to save a picture when I send an intent asking for a photo to be taken. Here's what I am doing: Make a URI representing the pathname android.content.Context c = getApplicationContext(); String fname =…Read the article
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How to configure outgoing connections from an SQL stored procedure?
- by Peter Vestberg
I am working on a .NET project which uses Microsoft SQL server. In this project, I need a CLR stored procedure (written in C#) that uses a remote web service. So, when the stored procedure is executed on the SQL server, it makes web…Read the article
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Why is Collection<String>.class Illegal?
- by Peter
I am puzzled by generics. You can declare a field like: Class<Collection<String>> clazz = ... It seems logical that you could assign this field with: Class<Collection<String>> clazz =…Read the article
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Music meta missing from Facebook /home
- by Peter Watts
When somebody shares a Spotify playlist, the attachment is missing from the Graph API. What is shown in Facebook: What is returned by the Graph API: { "id": "********_******", "from": { "name":…Read the article
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Compile subversion on CentOs
- by peter
I have downloaded, compiled and installed so far: apr-1.3.9 apr-util-1.3.9 sqlite-3.6.23 zlib-1.2.4 libtool-2.2.6b Now after downloading subversion-1.6.9, the config works fine but compiling it will end…Read the article
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Updating MS Access Database from Datagridview
- by Peter Roche
I am trying to update an ms access database from a datagridview. The datagridview is populated on a button click and the database is updated when any cell is modified. The code example I have been…Read the article
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Project euler problem 45
- by Peter
Hi, I'm not yet a skilled programmer but I thought this was an interesting problem and I thought I'd give it a go. Triangle, pentagonal, and hexagonal numbers are generated by the following …Read the article
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C# & SQL Server Authentication
- by Peter
Hello, I'm currently developing a C# app with an SQL Server DB back-end. I'm approaching the point of deployment and hitting a problem. The applicaiton will be deployed within an active…Read the article
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Configuring IIS7 404 page when using IIS7 urlrewrite module
- by Peter
I've got custom errors to work for .aspx page like: www.domain.com/whateverdfdgdfg.aspx But, when no .aspx url is requested, (like http://www.domain.com/hfdkfdh4545) it results in an…Read the article
