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• 'Good' programming form in maintaining / updating / accessing files by entry

  - by zhermes

  Basic Question: If I'm storying/modifying data, should I access elements of a file by index hard-coded index, i.e. targetFile.getElement(5); via a hardcoded identifier (internally translated into index), i.e. target.getElementWithID("Desired Element"), or with some intermediate DESIRED_ELEMENT = 5; ... target.getElement(DESIRED_ELEMENT), etc. …

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• Java looping through array - Optimization

  - by oudouz

  I've got some Java code that runs quite the expected way, but it's taking some amount of time -some seconds- even if the job is just looping through an array. The input file is a Fasta file as shown in the image below. The file I'm using is 2.9Mo, and there are some other Fasta file that can take up to 20Mo. And in the code im trying to loop…

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• NUL symbol gets inserted anywhere in the XML

  - by Racs

  I am using Oracle 11g and when I query data from database manually, it looks ok. But when I view it using Notepad++, there is a special character that gets inserted anywhere in the xml produced. Please see image below: I tried everything and deleted some parts of the xml, updated the db and query again but the invalid character just differ in…

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• Searching strings C

  - by Skittles

  First time posting here so I'm sorry if I mess up. I need to search a string and return any strings containing the search data with the search data highlighted. If my string is Hi my name is and I searched name it would produce Hi my NAME is This is a quick code I wrote that works but it only works once. If I try and search again it seg faults.…

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• Better way to design a database

  - by cMinor

  I have a conceptual problem and I would like to get your ideas on how I'll be able to do what I am aiming. My goal is to create a database with information of persons who work at a place depending on their profession and skills,and keep control of salary and projects (how much would cost summing all the hours of work) I have 3 categories which…

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• Trying to Set Up SSH Tunneling To MySQL Server for MySQL Query Browser

  - by Teno

  I'm trying to set up SSH tunneling on a remote web server to another MySQL server so that the database can be browsed easily with MySQL Query Browser. I'm following this page but cannot connect to the MySQL server. http://www.howtogeek.com/howto/ubuntu/access-your-mysql-server-remotely-over-ssh/ What I've done: logged in to the web server…

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• DNS something is wrong?

  - by Nickolas R.

  Hello I am configuring bind9 on a server with two network interfaces, one is connected to the LAN and the other is connected to the Internet through NAT so bind is not faced directly to the Internet. Everything seems to work fine, clients can do both forward and reverse lookups but somethings seems strange. On the server if i try to ping…

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• Find files containing a string on the whole filesystem

  - by Fabio

  I need to find all the instances of a given string in the whole filesystem, because I don't remember in which configuration files, script or any other programs I put it and I need to update that string with a new one. I tried with the following command `grep -nr 'needle' / --exclude-dir=.svn | mail myaddress@example.com -s 'References…

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• How to rename everything matching a certain string in a folder

  - by lostiniceland

  Hello Everyone I am running Linux and I have some basic console knowledge but my current problem is quite difficult and I dont know how to achieve this. I want/need to rename everything within a folder that matches a given string. By everything I mean folders/files content within a file content in hidden files Basically I want to…

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• How to rename everything matching a certain string in a folder

  - by lostiniceland

  Hello Everyone I am running Linux and I have some basic console knowledge but my current problem is quite difficult and I dont know how to achieve this. I want/need to rename everything within a folder that matches a given string. By everything I mean folders/files content within a file content in hidden files Basically I want to…

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• Criteria strings, how many different criteria can be entered to retrieve specific data?

  - by Janet

  For our membership database we are currently using an old DOS program "Arclist". The program is old but the one feature we desperately need in a database program is to be able to enter multiple criteria at one time for more of a "one time" extraction of the data meeting all the various criteria entered in what I call a "criteria…

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• Highlight identical strings in vi(m)

  - by Boldewyn

  One feature of Notepad++, which I find really useful and haven't found elsewhere, is the highlighting of other text that is identical to the one currently selected. Is there something similar possible with vi(m)? (Of course, there is. But how do I achieve it?) That is, any of those: If I am in Visual Mode and have text…

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• Automatically send a string when opening a raw connection in putty

  - by MBraedley

  I have a program running on a server that accepts TCP/IP connections on a specified port. When a connection is made, this program waits for the user (i.e. me) to send a string which identifies the type of user. Once the user identifies themselves, the program will start sending data that is relevant to that user type. I…

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• Command output as string

  - by rik

  I want to get output from command C:\Program Files (x86)\Java\jre7\bin\java.exe" -version as string variable. I tried this way: $out = &"C:\Program Files (x86)\Java\jre7\bin\java.exe" -version but it gives error message: java.exe : java version "1.7.0_05" At line:1 char:9 + $out = & <<<< "C:\Program…

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• Mysql server high trafic makes websites really slow or unable to load

  - by Holapress

  Lately we have been having a lot of problems with our mysql server, from websites being really slow or even unable to load them at all. The server is a dedicated server that only runs our mysql database. i have been running some test using a profiler (JetProfiler) and tool to stress test (loadUI). If I use loadUI to…

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• unix grep for a string within all gzip files in all subdirectories

  - by matt123

  can anyone help me grep for a string recurrsivley thought all .gz files in all directories and subdirectoris Thanks

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• Managing records of bugs and notes

  - by Jim

  Hi. I want to create a knowledgebase for a piece of software. I'd also like to be able to track bugs and common points of failure in that application. Linking knowledgebase articles to bug records would be a real boon, as would the ability to do complex queries for particular articles and bugs on the basis of tags or…

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• Passing integer lists in a sql query, best practices

  - by Artiom Chilaru

  I'm currently looking at ways to pass lists of integers in a SQL query, and try to decide which of them is best in which situation, what are the benefots of each, and what are the pitfalls, what should be avoided :) Right now I know of 3 ways that we currently use in our application. 1) Table valued parameter:…

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• Query doesn't use a covering-index when applicable

  - by Dor

  I've downloaded the employees database and executed some queries for benchmarking purposes. Then I noticed that one query didn't use a covering index, although there was a corresponding index that I created earlier. Only when I added a FORCE INDEX clause to the query, it used a covering index. I've uploaded two…

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• Mysql - help me optimize this query (improved question)

  - by sandeepan-nath

  About the system: - There are tutors who create classes and packs - A tags based search approach is being followed.Tag relations are created when new tutors register and when tutors create packs (this makes tutors and packs searcheable). For details please check the section How tags work in this system? below. …

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• Please help fix and optimize this query

  - by user607217

  I am working on a system to find potential duplicates in our customers table (SQL 2005). I am using the built-in SOUNDEX value that our software computes when customers are added/updated, but I also implemented the double metaphone algorithm for better matching. This is the most-nested query I have created, and…

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• Projections.count() and Projections.countDistinct() both result in the same query

  - by Kim L

  EDIT: I've edited this post completely, so that the new description of my problem includes all the details and not only what I previously considered relevant. Maybe this new description will help to solve the problem I'm facing. I have two entity classes, Customer and CustomerGroup. The relation between…

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• Grails - ElasticSearch - QueryParsingException[[index] No query registered for [query]]; with elasticSearchHelper; JSON via curl works fine though

  - by v1p

  I have been working on a Grails project, clubbed with ElasticSearch ( v 20.6 ), with a custom build of elasticsearch-grails-plugin(to support geo_point indexing : v.20.6) have been trying to do a filtered Search, while using script_fields (to calculate distance). Following is Closure & the generated…

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• How to create a simple adf dashboard application with EJB 3.0

  - by Rodrigues, Raphael

  In this month's Oracle Magazine, Frank Nimphius wrote a very good article about an Oracle ADF Faces dashboard application to support persistent user personalization. You can read this entire article clicking here. The idea in this article is to extend the dashboard application. My idea here is to…

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• The Return Of __FILE__ And __LINE__ In .NET 4.5

  - by Alois Kraus

  Good things are hard to kill. One of the most useful predefined compiler macros in C/C++ were __FILE__ and __LINE__ which do expand to the compilation units file name and line number where this value is encountered by the compiler. After 4.5 versions of .NET we are on par with C/C++ again. It is of…

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