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• Why is the first four bytes of Java class file format is CAFEBABE?

  - by zengr

  Why is the first four bytes of Java class file format is CAFEBABE? Who named it? Your views/guesses? Source: IBM Java Programing Dynamics

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• Gridview - Edit Mode - When I press return on my keyboard, the edit item index changes to the first

  - by hamlin11

  When I am in edit mode on any row of my GridView and I press Return while the focus is in one of the row's textboxes, instead of triggering the update button, my GridView1.RowEditing event is fired with a NewEditIndex of 0 This causes the first row to become editable and I lose any values typed into the previous row. How can I stop this from happening? Thanks

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• How can I download and display first 200 or 250 characters from a web-page?

  - by Jagira

  Hello, I have a list of urls for which I want to display first 200 or 250 characters. Can I do it using jquery or should I download them on the server side [using PHP] and store them in database? I guess I will have to use fopen with limit of characters. **

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• How to iterate over the first n elements of a list?

  - by Bialecki

  Say I want I've got a list and I want to iterate over the first n of them. What's the most concise way to write this in Python?

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• How to get only the first row from a java.sql.ResultSet?

  - by llm

  I have a ResultSet object containing all the rows returned from an sql query. I want to be able to (in the java code, NOT force it in the SQL) to be able to take a ResultSet and transform it so that it only contains 1 (the first) row. What would be the way to acheive this? Also, is there another appropriate class (somewhere in java.sql or elsewhere) for storing just a single row rather than trimming my ResultSet? Thanks!

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• how to find the first word in the sentence having 'w' in it.

  - by coder

  how can i find the first word in my sentence having 'w' character.This character can be present anywhere in my word.example of sentence "Hi xyzwy! what are you doing here?So the result should be "xyzwy".

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• How to get first and last occurence of an array of words in text using PHP?

  - by Runner

  $arr = array('superman','gossipgirl',...); $text = 'arbitary stuff here...'; What I want to do is find the first/last occurencing index of each word in $arr within $text,how to do it efficiently in PHP?

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• Adding code to plugin that only executes the first time its activated?

  - by Scott B

  Is it possible to wrap code in a special function that only executes the first time the plugin is activated? I have some database code I need to run on plugin activation, but the code need not run again after that.

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• How can I use python itertools.groupby() to group a list of strings by their first character?

  - by Adam Z.

  I have a list of strings similar to this list: tags = ('apples', 'apricots', 'oranges', 'pears', 'peaches') How should I go about grouping this list by the first character in each string using itertools.groupby()? How should I supply the 'key' argument required by itertools.groupby()?

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• How to get the first item from an associative PHP array?

  - by Click Upvote

  If I had an array like: $array['foo'] = 400; $array['bar'] = 'xyz'; And I wanted to get the first item out of that array without knowing the key for it, how would I do that? Is there a function for this?

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• In the linux kernel, where is the first process initialized?

  - by Tzafrir

  I'm looking for the code in the linux kernel (2.4.x) that initializes the first process, pid=0. Many searches provided many clues, but I still cannot find it. Any pointers, anyone?

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• Setting the first two bytes of a block of memory as a pointer or NULL while still accessing the rest

  - by idealistikz

  Suppose I have a block of memory as such: void *block = malloc(sizeof(void *) + size); How do I set the first two bytes to a pointer or NULL while still being able to access the rest of the block of memory? For this reason, I do not want to simply assign 'block' to another pointer or NULL.

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• Is it possible to make the iPhone keyboard invisible / remove it without resigning first responder?

  - by Alex Gosselin

  I am looking for a way to show my own input view (a UITableView) to enter certain keywords in a UITextView faster than typing them, and also be able to type into this text view the normal way. My solution has a button that causes the keyboard to disappear, revealing the table view underneath it. Problem is I can't figure out how to make the keyboard go away without resigning first responder, and losing the cursor. Has anyone accomplished this before? Thanks for any help.

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• How can I get the first element in an NSDictionary?

  - by Sheehan Alam

  I have an array of NSDictionaries. How can I pull out the first element in the dictionary? NSArray *messages = [[results objectForKey:@"messages"] valueForKey:@"message"]; for (NSDictionary *message in messages) { STObject *mySTObject = [[STObject alloc] init]; stID = mySTObject.stID; }

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• Data from two tables without repeating data from the first?

  - by Aran

  I have two tables. Users table and Users Meta Table I am looking for a way to get all the information out of both tables with one query. But without repeating the information from Users table. This is all information relating to the users id number as well. So for example user_id = 1. Is there a way to query the database and collect all the information I from both tables without repeating the information from the first?

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• "commence before first target. Stop." error

  - by EK

  Hi! In *.mak file I receive commands "commence before first target. Stop." I didn't change it before. How to solve this problem? Thanks!

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• Which IDE / code editor was the first to introduce a code completion feature?

  - by Uri

  I am trying to identify the point in time where code completion (autocomplete/intellisense/whatever) was first introduced in IDEs and would appreciate any pointers. By code completion here I mean a feature within the editor that offers methods or suggestions based on the code that was already typed, and I am interested in programming language related completions (not word processor style completion).

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• Webservice Contract First Visual Studio Addin 2008: did someone succeed to install ?

  - by asksuperuser

  I've tried to install this http://www.thinktecture.com/resourcearchive/tools-and-software/wscf it seems I have to download the vs2005 version first and then update with a file for vs2008. But the addin failed to install as for me. Did someone achieve to do so with VS 2008 ?

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• Can I push my working directory without first committing it?

  - by Derek

  I have my web server set up as a remote git repo, so I can type "git push staging" and my last commit goes live on the server. I used this tutorial to set this up. A lot of the time, I'm testing a new feature, and I want to test several iterations of it on the staging server, before it's ready to quality as a commit. Is there a way to push my working directory to the server without having to commit it first?

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• How can I read only first row from an Excel file with OleDbDataAdapter?

  - by user330564

  Hi all. Can anybody help me? How can I read only first row from an Excel file with OleDbDataAdapter? I know how I can read all data from any spread sheet: var dataAdapter = new OleDbDataAdapter("SELECT * FROM [" + sheetName + "$]", oledbConnection); But I don't know how can I do this for one row.

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• should i wait till Zend Framework 2 or start with v1.x first?

  - by jiewmeng

  Zend Framework 2/Doctrine 2 seems like my server side framework of choice but i wonder if its advisable or worth it to start with Zend Framework 1.x first, since 2 is not out yet, or learn other things like say C#, Design Patterns etc

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• MySQL - Limit a left join to the first date-time that occurs?

  - by John M

  Simplified table structure (the tables can't be merged at this time): TableA: dts_received (datetime) dts_completed (datetime) task_a (varchar) TableB: dts_started (datetime) task_b (varchar) What I would like to do is determine how long a task took to complete. The join parameter would be something like ON task_a = task_b AND dts_completed < dts_started The issue is that there may be multiple date-times that occur after the dts_completed. How do I create a join that only returns the first tableB-datetime that occurs after the tableA-datetime?

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• Scheme how do you remove the first element from a list?

  - by user297742

  How do i remove the first element from a list in scheme say it looks something like '((apple bob car) (cat dig) (e))) how would i just get rid of "apple" and leave the rest alone?

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• Can I install a second SQL Server instance on the same location as the first instance?

  - by Yousui

  Hi guys, Can I install a second SQL Server instance on the same location as the first instance? Can that cause some problem? By the way, I'm using SQL Server 2005. Great thanks.

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• How do I delete the first line in a file?

  - by Soop

  I can't search for a particular string, since they're all very similar, but I'd like something simple to chop out the first 4 lines in a file. They're all variable length too. I've had a a think about perl, and it all seems harder than I thought, but I'd like to do it in Perl, AWK or a shell command if possible. Does anybody have a simple way of doing this?

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