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What does “=>” mean in PHP?

...the context of that foreach loop, it assigns the key of the array to $user and the value to $pass. Example: $user_list = array( 'dave' => 'apassword', 'steve' => 'secr3t' ); foreach ($user_list as $user => $pass) { echo "{$user}'s pass is: {$pass}\n"; } // Prints: // "dave's...
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What is a “Bitmap heap scan” in a query plan?

...ference is that, rather than visiting every disk page, a bitmap index scan ANDs and ORs applicable indexes together, and only visits the disk pages that it needs to. This is different from an index scan, where the index is visited row by row in order -- meaning a disk page may get visited multiple ...
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How can I format a String number to have commas and round?

... This can also be accomplished using String.format(), which may be easier and/or more flexible if you are formatting multiple numbers in one string. String number = "1000500000.574"; Double numParsed = Double.parseDouble(number); System.out.println(String.format("The input number is:...
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What is the difference between printf() and puts() in C?

I know you can print with printf() and puts() . I can also see that printf() allows you to interpolate variables and do formatting. ...
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Fatal Error: Allowed Memory Size of 134217728 Bytes Exhausted (CodeIgniter + XML-RPC)

...ion. Please don't do that. Your PHP code may have a memory leak somewhere and you are telling the server to just use all the memory that it wants. You wouldn't have fixed the problem at all. If you monitor your server, you will see that it is now probably using up most of the RAM and even swapping...
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Debugging with command-line parameters in Visual Studio

I'm developing a C++ command-line application in Visual Studio and need to debug it with command-line arguments. At the moment I just run the generated EXE file with the arguments I need (like this program.exe -file.txt ) , but this way I can't debug. Is there somewhere I can specify the arguments ...
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SBT stop run without exiting

... with kill from the command line, or in the Task Manager (Windows), or Force Quit or Activity Monitor (Mac OS X), etc. – Seth Tisue Mar 21 '11 at 16:45 ...
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Heroku 'Permission denied (publickey) fatal: Could not read from remote repository' woes

...be generated if you don't have one alredy, in my case I alredy had the key and just needed to add the key to heroku – joseramonc Dec 3 '14 at 16:19 4 ...
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Split string with delimiters in C

How do I write a function to split and return an array for a string with delimiters in the C programming language? 20 Answe...
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css ellipsis on second line

...ss-overflow-3/#max-lines we can haz this in pure CSS using fragments (new) and max-lines (new). Also some more info on http://css-tricks.com/line-clampin/ EDIT 2 WebKit/Blink has line-clamp: -webkit-line-clamp: 2 will put ellipsis on 2nd line. ...