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Search found 40 results on 2 pages for 'emanuil'.

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• Selecting first records of a type in a given period

  - by Emanuil Rusev

  I have a database table that stores user comments: comments(id, user_id, created_at) I want to get from it the number of users that have commented for the first time in the past week. Here's what I have so far: SELECT COUNT(DISTINCT `user_id`) FROM `comments` WHERE `created_at` BETWEEN DATE_SUB(NOW(), INTERVAL 7 DAY) AND NOW() This would give the number of users that have commented, but it would not take into consideration whether these comments are first for these users.

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• Performance of the Android virtual device

  - by Emanuil

  The Android virtual device (a simulated Android environment) doesn't run very smoothly on my machine. Scrolling and animations in general are quite sluggish. Is that normal?

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• What are the default style property values in HTML?

  - by Emanuil

  Most HTML elements have style properties associated with them - such a "color", "font-size" and "padding". These style properties have default values. For example the "color" style property associated with the "a" (anchor) element seems to have a default value of "#000066". What are the default style properties values fo in HTML?

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• Is the Android NotePad tutorial compatible with version 2 of Android?

  - by Emanuil

  Here's my story. I downloaded the NotePad tutorial project exercise files. I created an Android project based on the tutorial files for the completed exercise (located in the Notepadv3Solution folder) I run the project and bellow is a screenshot of what appears: It seems like it's not working properly. Could it be because I'm on version 2.2?

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• Basics of working with Arrays in Java

  - by Emanuil

  How do you: 1. Initialize (create) an Array. 2. Push a String value into it. 3. Push another String value into it. 4. Dump it to get its contents.

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• Marking deleted records in DB tables

  - by Emanuil

  Sometimes you want to mark a DB table record as deleted instead of deleting it permanently, right? How do you do that? So far I've been using a boolean "deleted" field.

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• How can I send an Android app that I'm developing to someone over e-mail?

  - by Emanuil

  It's my first Android app. I need to send what I have so far to someone for testing. It needs to be over e-mail. How should I do it?

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• The role of data types inside of the < > in declarations in Java?

  - by Emanuil

  To give an example, whats the role of the <String> in the following line of code? private List<String> item = new ArrayList<String>();

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• Naming "class" and "id" HTML attributes - dashes vs. underlines

  - by Emanuil

  <div id="example-value"> or <div id="example_value">? This site and Twitter use the first style. Facebook and Vimeo - the second. Which one do you use and why?

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• How do you store and retrieve data from a text file in Java/Android?

  - by Emanuil

  The question is in the title.

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• What is the benefit of using a factory class in the following code?

  - by Emanuil

  Here's the code: SAXParserFactory mySAXParserFactory = SAXParserFactory.newInstance(); SAXParser mySAXParser = mySAXParserFactory.newSAXParser(); Why use that if you can use something like: SAXParser mySAXParser = new SAXParser();

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• What's the role of the data types inside of < > in Java?

  - by Emanuil

  To be more specific, whats the role of the <String> in the following line of code? private List<String> item = new ArrayList<String>();

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• How do you output messages to the Eclipse console in an Android project?

  - by Emanuil

  The question is in the title.

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• Get all entries from one table together with the count of these entries in another table.

  - by Emanuil

  I've got 3 tables: users (id, name, ...) items (id, name, ...) downloads (user_id, item_id, ...) How do I get all users together with the number of downloads they have?

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• What is the role of the data types inside of < > in Java? [closed]

  - by Emanuil

  Possible Duplicate: Java Generics To be more specific, whats the role of the <String> in the following line of code? private List<String> item = new ArrayList<String>();

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